FragmentManager.java revision 320113721c2e14bbc2403809046fa2959a665c11
1cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/* 2ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikas * Copyright 2018 The Android Open Source Project 3cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 4cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * you may not use this file except in compliance with the License. 6cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * You may obtain a copy of the License at 7cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 8cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 10cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Unless required by applicable law or agreed to in writing, software 11cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * See the License for the specific language governing permissions and 14cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * limitations under the License. 15cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 16cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 17ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikaspackage androidx.fragment.app; 18cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 19ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikasimport static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; 2077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount 2115e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.Animator; 2215e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.AnimatorInflater; 2315e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.AnimatorListenerAdapter; 2415e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.AnimatorSet; 2515e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.PropertyValuesHolder; 2615e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.animation.ValueAnimator; 2741516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lakeimport android.arch.lifecycle.ViewModelStore; 289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 3036bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powellimport android.content.res.Resources.NotFoundException; 310f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.content.res.TypedArray; 325e63ab9505a3a4d11374cbbec418c1aba921409dChris Banesimport android.os.Build; 33cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 34cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 35cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 36cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 370f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.util.AttributeSet; 38cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 40267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport android.view.LayoutInflater; 41990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.Menu; 42990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuInflater; 43990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuItem; 44990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.View; 45990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.ViewGroup; 469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 49990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.animation.Animation.AnimationListener; 509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 51cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 529277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 539277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 55e62545fdf58881a2d0426285648f71ce9323ca15George Mountimport android.view.animation.Transformation; 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 57320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.annotation.CallSuper; 58320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.annotation.IdRes; 59320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.annotation.NonNull; 60320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.annotation.RestrictTo; 61320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.annotation.StringRes; 62320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.collection.ArraySet; 63320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.core.util.DebugUtils; 64320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.core.util.LogWriter; 65320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.core.util.Pair; 66320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikasimport androidx.core.view.ViewCompat; 67320113721c2e14bbc2403809046fa2959a665c11Aurimas Liutikas 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 70d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liuimport java.lang.reflect.Field; 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 7396221034e4a23a2abb83f772a0281bb197ac5ac0George Mountimport java.util.Collections; 743a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brownimport java.util.List; 75267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport java.util.concurrent.CopyOnWriteArrayList; 76267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 819dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * to switch to the framework's implementation. See the framework {@link FragmentManager} 82cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 839dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * 849dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * <p>Your activity must derive from {@link FragmentActivity} to use this. From such an activity, 859dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * you can acquire the {@link FragmentManager} by calling 869dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * {@link FragmentActivity#getSupportFragmentManager}. 87cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 94fd28b81e0501d11989a8ad095c1a54619000df19Aurimas Liutikas * FragmentManager.getBackStackEntryAt()}. 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1092a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 1102a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 1112a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 1122a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 1132a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 1142a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 1152a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 119a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 126a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 155dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 167d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette /** 168d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @hide -- remove once prebuilts are in. 169d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @deprecated 170d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette */ 1718e10080c914d1ad0784394fa3026b85535535847Aurimas Liutikas @RestrictTo(LIBRARY_GROUP) 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 176dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1861500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * <p>If you are committing a single transaction that does not modify the 1871500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * fragment back stack, strongly consider using 1881500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * {@link FragmentTransaction#commitNow()} instead. This can help avoid 1891500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * unwanted side effects when other code in your app has pending committed 1901500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * transactions that expect different timing.</p> 191990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 192990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This also forces the start of any postponed Transactions where 193990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#postponeEnterTransition()} has been called. 1941500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 208a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye public abstract Fragment findFragmentById(@IdRes int id); 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 241990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 252dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 264990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 274dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 288990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 3391af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * Get a list of all fragments that are currently added to the FragmentManager. 34096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This may include those that are hidden as well as those that are shown. 34196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This will not include any fragments only in the back stack, or fragments that 34296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * are detached or removed. 3431af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * <p> 3441af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * The order of the fragments in the list is the order in which they were 3451af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * added or attached. 3463a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * 3471af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * @return A list of all fragments that are added to the FragmentManager. 3483a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown */ 3491af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount public abstract List<Fragment> getFragments(); 3503a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 3513a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown /** 3525c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 3535c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 3545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 3555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 3565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3685c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3695c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 37601df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * Returns true if the final {@link android.app.Activity#onDestroy() Activity.onDestroy()} 37701df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * call has been made on the FragmentManager's Activity, so this instance is now dead. 37801df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler */ 37901df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public abstract boolean isDestroyed(); 38001df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 38101df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler /** 382267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Registers a {@link FragmentLifecycleCallbacks} to listen to fragment lifecycle events 383267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * happening in this FragmentManager. All registered callbacks will be automatically 384267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * unregistered when this FragmentManager is destroyed. 385267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 386267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to register 387267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param recursive true to automatically register this callback for all child FragmentManagers 388267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 389267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive); 391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 392267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 393267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Unregisters a previously registered {@link FragmentLifecycleCallbacks}. If the callback 394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * was not previously registered this call has no effect. All registered callbacks will be 395267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * automatically unregistered when this FragmentManager is destroyed. 396267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to unregister 398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb); 400267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 401267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 402418738949305a8a0e30eba92c125c650048f9c50Adam Powell * Return the currently active primary navigation fragment for this FragmentManager. 4031d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * The primary navigation fragment is set by fragment transactions using 4041d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * {@link FragmentTransaction#setPrimaryNavigationFragment(Fragment)}. 405418738949305a8a0e30eba92c125c650048f9c50Adam Powell * 406418738949305a8a0e30eba92c125c650048f9c50Adam Powell * <p>The primary navigation fragment's 407418738949305a8a0e30eba92c125c650048f9c50Adam Powell * {@link Fragment#getChildFragmentManager() child FragmentManager} will be called first 408418738949305a8a0e30eba92c125c650048f9c50Adam Powell * to process delegated navigation actions such as {@link #popBackStack()} if no ID 409418738949305a8a0e30eba92c125c650048f9c50Adam Powell * or transaction name is provided to pop to.</p> 410418738949305a8a0e30eba92c125c650048f9c50Adam Powell * 411418738949305a8a0e30eba92c125c650048f9c50Adam Powell * @return the fragment designated as the primary navigation fragment 412418738949305a8a0e30eba92c125c650048f9c50Adam Powell */ 413418738949305a8a0e30eba92c125c650048f9c50Adam Powell public abstract Fragment getPrimaryNavigationFragment(); 414418738949305a8a0e30eba92c125c650048f9c50Adam Powell 415418738949305a8a0e30eba92c125c650048f9c50Adam Powell /** 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 433267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 434267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 43547844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * Returns {@code true} if the FragmentManager's state has already been saved 43647844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * by its host. Any operations that would change saved state should not be performed 43747844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * if this method returns true. For example, any popBackStack() method, such as 43847844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link #popBackStackImmediate()} or any FragmentTransaction using 43947844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link FragmentTransaction#commit()} instead of 44047844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link FragmentTransaction#commitAllowingStateLoss()} will change 44147844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * the state and will result in an error. 44247844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * 44347844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * @return true if this FragmentManager's state has already been saved by its host 44447844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount */ 44547844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount public abstract boolean isStateSaved(); 44647844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount 44747844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount /** 448267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Callback interface for listening to fragment state changes that happen 449267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * within a given FragmentManager. 450267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 4511b5b6c012765919f50bfb64dcf494a2d8cfcfbb1Adam Powell public abstract static class FragmentLifecycleCallbacks { 452267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 453267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called right before the fragment's {@link Fragment#onAttach(Context)} method is called. 4541d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * This is a good time to inject any required dependencies or perform other configuration 4551d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * for the fragment before any of the fragment's lifecycle methods are invoked. 456267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 457267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 458267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 459267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment is being attached to 460267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 461267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPreAttached(FragmentManager fm, Fragment f, Context context) {} 462267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 463267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has been attached to its host. Its host will have had 465267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * <code>onAttachFragment</code> called before this call happens. 466267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 467267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 468267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 469267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment was attached to 470267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 471267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentAttached(FragmentManager fm, Fragment f, Context context) {} 472267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 473267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 4741d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * Called right before the fragment's {@link Fragment#onCreate(Bundle)} method is called. 4751d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * This is a good time to inject any required dependencies or perform other configuration 4761d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * for the fragment. 4771d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * 4781d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param fm Host FragmentManager 4791d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param f Fragment changing state 4801d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param savedInstanceState Saved instance bundle from a previous instance 4811d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell */ 4821d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell public void onFragmentPreCreated(FragmentManager fm, Fragment f, 4831d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell Bundle savedInstanceState) {} 4841d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell 4851d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell /** 486267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 487267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onCreate(Bundle)}. This will only happen once for any given 488267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 490267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 491267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 492267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 493267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 494267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentCreated(FragmentManager fm, Fragment f, Bundle savedInstanceState) {} 495267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 496267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 497267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 498267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onActivityCreated(Bundle)}. This will only happen once for any given 499267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 500267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 503267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 504267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 505267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentActivityCreated(FragmentManager fm, Fragment f, 506267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 508267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned a non-null view from the FragmentManager's 510267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * request to {@link Fragment#onCreateView(LayoutInflater, ViewGroup, Bundle)}. 511267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 512267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 513267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment that created and owns the view 514267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param v View returned by the fragment 515267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 516267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 517267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewCreated(FragmentManager fm, Fragment f, View v, 518267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 519267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 520267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 521267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 522267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStart()}. 523267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 524267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 525267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 526267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 527267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStarted(FragmentManager fm, Fragment f) {} 528267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 529267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 530267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 531267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onResume()}. 532267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 533267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 534267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 535267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 536267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentResumed(FragmentManager fm, Fragment f) {} 537267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 538267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 539267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 540267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onPause()}. 541267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 542267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 543267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 544267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 545267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPaused(FragmentManager fm, Fragment f) {} 546267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 547267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 548267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 549267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStop()}. 550267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 551267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 552267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 553267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 554267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStopped(FragmentManager fm, Fragment f) {} 555267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 556267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 557267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 558267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onSaveInstanceState(Bundle)}. 559267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 560267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 561267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 562267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param outState Saved state bundle for the fragment 563267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 564267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentSaveInstanceState(FragmentManager fm, Fragment f, Bundle outState) {} 565267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 566267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 567267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 568267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDestroyView()}. 569267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 570267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 571267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 572267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 573267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewDestroyed(FragmentManager fm, Fragment f) {} 574267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 575267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 576267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 577267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDestroy()}. 578267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 579267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 580267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 581267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 582267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDestroyed(FragmentManager fm, Fragment f) {} 583267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 584267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 585267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 586267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDetach()}. 587267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 588267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 589267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 590267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 591267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDetached(FragmentManager fm, Fragment f) {} 592267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 599418738949305a8a0e30eba92c125c650048f9c50Adam Powell int mPrimaryNavActiveIndex = -1; 60090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex; 601dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 604dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 609418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNavActiveIndex = in.readInt(); 61090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mNextFragmentIndex = in.readInt(); 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 61290ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 61390ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 61890ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 623418738949305a8a0e30eba92c125c650048f9c50Adam Powell dest.writeInt(mPrimaryNavActiveIndex); 62490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount dest.writeInt(mNextFragmentIndex); 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 626dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 62990ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 63390ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 63490ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 6444bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikasfinal class FragmentManagerImpl extends FragmentManager implements LayoutInflater.Factory2 { 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 647dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 65179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 653990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<OpGenerator> mPendingActions; 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 655dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 65690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex = 0; 65790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 658ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount final ArrayList<Fragment> mAdded = new ArrayList<>(); 65990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount SparseArray<Fragment> mActive; 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 662dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 668189da768c7798462090ca9bc60f279f98e5d3ac5Aurimas Liutikas private final CopyOnWriteArrayList<Pair<FragmentLifecycleCallbacks, Boolean>> 669189da768c7798462090ca9bc60f279f98e5d3ac5Aurimas Liutikas mLifecycleCallbacks = new CopyOnWriteArrayList<>(); 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 6728491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy FragmentHostCallback mHost; 6730adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer mContainer; 6740adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment mParent; 675418738949305a8a0e30eba92c125c650048f9c50Adam Powell Fragment mPrimaryNav; 676d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu 677d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu static Field sAnimationListenerField = null; 678dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 6810d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake boolean mStopped; 682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 68479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 685dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 686fda5be2466024a656152015c45a7681361d399bbGeorge Mount // Temporary vars for removing redundant operations in BackStackRecords: 687990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> mTmpRecords; 688990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> mTmpIsPop; 689990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Fragment> mTmpAddedFragments; 690990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 694dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 695990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Postponed transactions. 696990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<StartEnterTransitionListener> mPostponedTransactions; 697990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 69825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount // Saved FragmentManagerNonConfig during saveAllState() and cleared in noteStateNotSaved() 69925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount FragmentManagerNonConfig mSavedNonConfig; 70025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 70815e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean modifiesAlpha(AnimationOrAnimator anim) { 70915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation instanceof AlphaAnimation) { 71003526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 71115e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (anim.animation instanceof AnimationSet) { 71215e593ea3575512d7072240d1db9d74fad8749a3George Mount List<Animation> anims = ((AnimationSet) anim.animation).getAnimations(); 71303526560f132021f8fd7290259762ab362d4d567Doris Liu for (int i = 0; i < anims.size(); i++) { 71403526560f132021f8fd7290259762ab362d4d567Doris Liu if (anims.get(i) instanceof AlphaAnimation) { 71503526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 71603526560f132021f8fd7290259762ab362d4d567Doris Liu } 71703526560f132021f8fd7290259762ab362d4d567Doris Liu } 71815e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 71915e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 72015e593ea3575512d7072240d1db9d74fad8749a3George Mount return modifiesAlpha(anim.animator); 72115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 72215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 72315e593ea3575512d7072240d1db9d74fad8749a3George Mount 72415e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean modifiesAlpha(Animator anim) { 72515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim == null) { 72615e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 72715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 72815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim instanceof ValueAnimator) { 72915e593ea3575512d7072240d1db9d74fad8749a3George Mount ValueAnimator valueAnim = (ValueAnimator) anim; 73015e593ea3575512d7072240d1db9d74fad8749a3George Mount PropertyValuesHolder[] values = valueAnim.getValues(); 73115e593ea3575512d7072240d1db9d74fad8749a3George Mount for (int i = 0; i < values.length; i++) { 73215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (("alpha").equals(values[i].getPropertyName())) { 73315e593ea3575512d7072240d1db9d74fad8749a3George Mount return true; 73415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73615e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (anim instanceof AnimatorSet) { 73715e593ea3575512d7072240d1db9d74fad8749a3George Mount List<Animator> animList = ((AnimatorSet) anim).getChildAnimations(); 73815e593ea3575512d7072240d1db9d74fad8749a3George Mount for (int i = 0; i < animList.size(); i++) { 73915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (modifiesAlpha(animList.get(i))) { 74015e593ea3575512d7072240d1db9d74fad8749a3George Mount return true; 74115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 74215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 74303526560f132021f8fd7290259762ab362d4d567Doris Liu } 74403526560f132021f8fd7290259762ab362d4d567Doris Liu return false; 74503526560f132021f8fd7290259762ab362d4d567Doris Liu } 74603526560f132021f8fd7290259762ab362d4d567Doris Liu 74715e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean shouldRunOnHWLayer(View v, AnimationOrAnimator anim) { 74815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (v == null || anim == null) { 74915e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 75015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 751b8d65fef161c7cd4bb06dc97685cf3fb3d6c3e1aChris Banes return Build.VERSION.SDK_INT >= 19 752fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas && v.getLayerType() == View.LAYER_TYPE_NONE 75303526560f132021f8fd7290259762ab362d4d567Doris Liu && ViewCompat.hasOverlappingRendering(v) 75403526560f132021f8fd7290259762ab362d4d567Doris Liu && modifiesAlpha(anim); 75503526560f132021f8fd7290259762ab362d4d567Doris Liu } 75603526560f132021f8fd7290259762ab362d4d567Doris Liu 75713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn private void throwException(RuntimeException ex) { 75813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, ex.getMessage()); 759ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 76013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn LogWriter logw = new LogWriter(TAG); 76113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn PrintWriter pw = new PrintWriter(logw); 762d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) { 763ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 7648491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onDump(" ", null, pw, new String[] { }); 765ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 766ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 767ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 768ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 769ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 77013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn dump(" ", null, pw, new String[] { }); 771ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 77213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, "Failed dumping state", e); 773ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 774ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 77513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throw ex; 776ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 777ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 785990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean updates = execPendingActions(); 786990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 787990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return updates; 788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 792990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, -1, 0), false); 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 798990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, -1, 0); 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 803990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(name, -1, flags), false); 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 809990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(name, -1, flags); 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 817990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, id, flags), false); 818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 823990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, id, flags); 828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 830990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Used by all public popBackStackImmediate methods, this executes pending transactions and 832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * returns true if the pop action did anything, regardless of what other pending 833990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions did. 834990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 835990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if the pop operation did anything or false otherwise. 836990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 837990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean popBackStackImmediate(String name, int id, int flags) { 838990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 839990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(true); 840990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 841418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null // We have a primary nav fragment 842418738949305a8a0e30eba92c125c650048f9c50Adam Powell && id < 0 // No valid id (since they're local) 843418738949305a8a0e30eba92c125c650048f9c50Adam Powell && name == null) { // no name to pop to (since they're local) 844418738949305a8a0e30eba92c125c650048f9c50Adam Powell final FragmentManager childManager = mPrimaryNav.peekChildFragmentManager(); 845418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (childManager != null && childManager.popBackStackImmediate()) { 846418738949305a8a0e30eba92c125c650048f9c50Adam Powell // We did something, just not to this specific FragmentManager. Return true. 847418738949305a8a0e30eba92c125c650048f9c50Adam Powell return true; 848418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 849418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 850418738949305a8a0e30eba92c125c650048f9c50Adam Powell 851990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean executePop = popBackStackState(mTmpRecords, mTmpIsPop, name, id, flags); 852990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (executePop) { 853990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 854990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 855fda5be2466024a656152015c45a7681361d399bbGeorge Mount removeRedundantOperationsAndExecute(mTmpRecords, mTmpIsPop); 856990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 857990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 858990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 859990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 860990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 861990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount doPendingDeferredStart(); 86290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 863990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return executePop; 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 89413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragment " + fragment 89513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 9082b336307cf98ca5142db6736812178293d47c500Cyril Mottier throwException(new IllegalStateException("Fragment no longer exists for key " 90913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 9151af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount public List<Fragment> getFragments() { 916ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (mAdded.isEmpty()) { 91796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount return Collections.EMPTY_LIST; 91896221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 91996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 9201af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount return (List<Fragment>) mAdded.clone(); 921418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 9223a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown } 9233a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 92490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 92590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * This is used by FragmentController to get the Active fragments. 92690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 92790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return A list of active fragments in the fragment manager, including those that are in the 92890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * back stack. 92990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 93090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount List<Fragment> getActiveFragments() { 93190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 93290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return null; 93390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount final int count = mActive.size(); 93590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount ArrayList<Fragment> fragments = new ArrayList<>(count); 93690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = 0; i < count; i++) { 93790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fragments.add(mActive.valueAt(i)); 93890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return fragments; 94090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 94190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 94290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 94390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * Used by FragmentController to get the number of Active Fragments. 94490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 94590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return The number of active fragments. 94690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 94790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int getActiveFragmentCount() { 94890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 94990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return 0; 95090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 95190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return mActive.size(); 95290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 95390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 9543a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown @Override 9555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 9565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 95713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException( new IllegalStateException("Fragment " + fragment 95813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 9595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 9615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 9625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 9635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 9655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 9675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 96801df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public boolean isDestroyed() { 96901df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler return mDestroyed; 97001df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler } 97101df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 97201df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler @Override 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 9780adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 9790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mParent, sb); 9800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } else { 981d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy DebugUtils.buildShortClassTag(mHost, sb); 9820adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 99990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1009ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount N = mAdded.size(); 1010ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (N > 0) { 1011ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.print(prefix); writer.println("Added Fragments:"); 1012ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < N; i++) { 1013ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 1014ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.print(prefix); 1015ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.print(" #"); 1016ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.print(i); 1017ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.print(": "); 1018ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount writer.println(f.toString()); 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1071990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount OpGenerator r = mPendingActions.get(i); 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 1079d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy writer.print(prefix); writer.print(" mHost="); writer.println(mHost); 10800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mContainer="); writer.println(mContainer); 10810adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 10820adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mParent="); writer.println(mParent); 10830adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 10860d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake writer.print(" mStopped="); writer.print(mStopped); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 10989277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 10999277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 11009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 11019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 1102dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 11039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 1104dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 110515e593ea3575512d7072240d1db9d74fad8749a3George Mount static AnimationOrAnimator makeOpenCloseAnimation(Context context, float startScale, 11069277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 11079277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 11089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 11099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 11109277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 11119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 11129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 11139277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 11149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 11159277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 11169277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 111715e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(set); 11189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1119dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 112015e593ea3575512d7072240d1db9d74fad8749a3George Mount static AnimationOrAnimator makeFadeAnimation(Context context, float start, float end) { 11219277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 11229277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 11239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 112415e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(anim); 11259277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 112603526560f132021f8fd7290259762ab362d4d567Doris Liu 112715e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator loadAnimation(Fragment fragment, int transit, boolean enter, 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 112915e593ea3575512d7072240d1db9d74fad8749a3George Mount int nextAnim = fragment.getNextAnim(); 113015e593ea3575512d7072240d1db9d74fad8749a3George Mount Animation animation = fragment.onCreateAnimation(transit, enter, nextAnim); 113115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 113215e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 113315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 113415e593ea3575512d7072240d1db9d74fad8749a3George Mount 113515e593ea3575512d7072240d1db9d74fad8749a3George Mount Animator animator = fragment.onCreateAnimator(transit, enter, nextAnim); 113615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator != null) { 113715e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animator); 113815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 113915e593ea3575512d7072240d1db9d74fad8749a3George Mount 114015e593ea3575512d7072240d1db9d74fad8749a3George Mount if (nextAnim != 0) { 114115e593ea3575512d7072240d1db9d74fad8749a3George Mount String dir = mHost.getContext().getResources().getResourceTypeName(nextAnim); 114215e593ea3575512d7072240d1db9d74fad8749a3George Mount boolean isAnim = "anim".equals(dir); 114315e593ea3575512d7072240d1db9d74fad8749a3George Mount boolean successfulLoad = false; 114415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (isAnim) { 114515e593ea3575512d7072240d1db9d74fad8749a3George Mount // try AnimationUtils first 114615e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 114715e593ea3575512d7072240d1db9d74fad8749a3George Mount animation = AnimationUtils.loadAnimation(mHost.getContext(), nextAnim); 114815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 114915e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 115015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115115e593ea3575512d7072240d1db9d74fad8749a3George Mount // A null animation may be returned and that is acceptable 115215e593ea3575512d7072240d1db9d74fad8749a3George Mount successfulLoad = true; // succeeded in loading animation, but it is null 115315e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (NotFoundException e) { 115415e593ea3575512d7072240d1db9d74fad8749a3George Mount throw e; // Rethrow it -- the resource should be found if it is provided. 115515e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (RuntimeException e) { 115615e593ea3575512d7072240d1db9d74fad8749a3George Mount // Other exceptions can occur when loading an Animator from AnimationUtils. 115715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (!successfulLoad) { 116015e593ea3575512d7072240d1db9d74fad8749a3George Mount // try Animator 116115e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 116215e593ea3575512d7072240d1db9d74fad8749a3George Mount animator = AnimatorInflater.loadAnimator(mHost.getContext(), nextAnim); 116315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator != null) { 116415e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animator); 116515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 116615e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (RuntimeException e) { 116715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (isAnim) { 116815e593ea3575512d7072240d1db9d74fad8749a3George Mount // Rethrow it -- we already tried AnimationUtils and it failed. 116915e593ea3575512d7072240d1db9d74fad8749a3George Mount throw e; 117015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 117115e593ea3575512d7072240d1db9d74fad8749a3George Mount // Otherwise, it is probably an animation resource 117215e593ea3575512d7072240d1db9d74fad8749a3George Mount animation = AnimationUtils.loadAnimation(mHost.getContext(), nextAnim); 117315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 117415e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 117515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 117615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1179dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 1181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1183dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 1185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 118803526560f132021f8fd7290259762ab362d4d567Doris Liu 11899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 11909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 1191d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.125f, 1.0f, 0, 1); 11929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 1193d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, .975f, 1, 0); 11949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 1195d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), .975f, 1.0f, 0, 1); 11969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 1197d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, 1.075f, 1, 0); 11989277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 1199d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 0, 1); 12009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 1201d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 1, 0); 12029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1203dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 120415e593ea3575512d7072240d1db9d74fad8749a3George Mount // TODO: remove or fix transitionStyle -- it apparently never worked. 12058491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (transitionStyle == 0 && mHost.onHasWindowAnimations()) { 12068491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy transitionStyle = mHost.onGetWindowAnimations(); 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1211dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 1216dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 1218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 1220dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 1222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1224dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1225abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 1226abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 122779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 122879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 122979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 123079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 123179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1232abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 12335506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1234abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1235abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1236abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 123703526560f132021f8fd7290259762ab362d4d567Doris Liu /** 123803526560f132021f8fd7290259762ab362d4d567Doris Liu * Sets the to be animated view on hardware layer during the animation. Note 123903526560f132021f8fd7290259762ab362d4d567Doris Liu * that calling this will replace any existing animation listener on the animation 124003526560f132021f8fd7290259762ab362d4d567Doris Liu * with a new one, as animations do not support more than one listeners. Therefore, 124103526560f132021f8fd7290259762ab362d4d567Doris Liu * animations that already have listeners should do the layer change operations 124203526560f132021f8fd7290259762ab362d4d567Doris Liu * in their existing listeners, rather than calling this function. 124303526560f132021f8fd7290259762ab362d4d567Doris Liu */ 124415e593ea3575512d7072240d1db9d74fad8749a3George Mount private static void setHWLayerAnimListenerIfAlpha(final View v, AnimationOrAnimator anim) { 124503526560f132021f8fd7290259762ab362d4d567Doris Liu if (v == null || anim == null) { 124603526560f132021f8fd7290259762ab362d4d567Doris Liu return; 124703526560f132021f8fd7290259762ab362d4d567Doris Liu } 124803526560f132021f8fd7290259762ab362d4d567Doris Liu if (shouldRunOnHWLayer(v, anim)) { 124915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animator != null) { 125015e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.addListener(new AnimatorOnHWLayerIfNeededListener(v)); 125115e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 125215e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener originalListener = getAnimationListener(anim.animation); 125315e593ea3575512d7072240d1db9d74fad8749a3George Mount // If there's already a listener set on the animation, we need wrap the new listener 125415e593ea3575512d7072240d1db9d74fad8749a3George Mount // around the existing listener, so that they will both get animation listener 125515e593ea3575512d7072240d1db9d74fad8749a3George Mount // callbacks. 125615e593ea3575512d7072240d1db9d74fad8749a3George Mount v.setLayerType(View.LAYER_TYPE_HARDWARE, null); 125715e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animation.setAnimationListener(new AnimateOnHWLayerIfNeededListener(v, 125815e593ea3575512d7072240d1db9d74fad8749a3George Mount originalListener)); 1259d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 126003526560f132021f8fd7290259762ab362d4d567Doris Liu } 126103526560f132021f8fd7290259762ab362d4d567Doris Liu } 126203526560f132021f8fd7290259762ab362d4d567Doris Liu 126315e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 126415e593ea3575512d7072240d1db9d74fad8749a3George Mount * Returns an existing AnimationListener on an Animation or {@code null} if none exists. 126515e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 126615e593ea3575512d7072240d1db9d74fad8749a3George Mount private static AnimationListener getAnimationListener(Animation animation) { 126715e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener originalListener = null; 126815e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 126915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (sAnimationListenerField == null) { 127015e593ea3575512d7072240d1db9d74fad8749a3George Mount sAnimationListenerField = Animation.class.getDeclaredField("mListener"); 127115e593ea3575512d7072240d1db9d74fad8749a3George Mount sAnimationListenerField.setAccessible(true); 127215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 127315e593ea3575512d7072240d1db9d74fad8749a3George Mount originalListener = (AnimationListener) sAnimationListenerField.get(animation); 127415e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (NoSuchFieldException e) { 127515e593ea3575512d7072240d1db9d74fad8749a3George Mount Log.e(TAG, "No field with the name mListener is found in Animation class", e); 127615e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (IllegalAccessException e) { 127715e593ea3575512d7072240d1db9d74fad8749a3George Mount Log.e(TAG, "Cannot access Animation's mListener field", e); 127815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 127915e593ea3575512d7072240d1db9d74fad8749a3George Mount return originalListener; 128015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 128115e593ea3575512d7072240d1db9d74fad8749a3George Mount 1282fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell boolean isStateAtLeast(int state) { 1283fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell return mCurState >= state; 1284fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell } 1285fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell 1286b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas @SuppressWarnings("ReferenceEquality") 12875506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 12885506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 129074c671b3b67000bf16b4865a8d361344310dccbeDianne Hackborn if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12932c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 12945a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount if (f.mState == Fragment.INITIALIZING && f.isInBackStack()) { 12955a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount // Allow the fragment to be created so that it can be saved later. 12965a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount newState = Fragment.CREATED; 12975a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount } else { 12985a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount // While removing a fragment, we can't change it to a higher state. 12995a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount newState = f.mState; 13005a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount } 13012c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 13026cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 13036cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 13046cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 1305abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 1306abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 130737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mState <= newState) { 13089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 13099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 13109277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 13119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 13129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 1313dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas } 131415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (f.getAnimatingAway() != null || f.getAnimator() != null) { 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 1317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 1318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 1319990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 132015e593ea3575512d7072240d1db9d74fad8749a3George Mount f.setAnimator(null); 1321990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, f.getStateAfterAnimating(), 0, 0, true); 1322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 132537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (newState > Fragment.INITIALIZING) { 132637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 132737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mSavedFragmentState != null) { 132837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedFragmentState.setClassLoader(mHost.getContext() 132937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell .getClassLoader()); 133037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 133137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.VIEW_STATE_TAG); 133237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mTarget = getFragment(f.mSavedFragmentState, 133337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.TARGET_STATE_TAG); 133437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mTarget != null) { 133537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mTargetRequestCode = f.mSavedFragmentState.getInt( 133637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 133737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 133837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 133937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 134037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (!f.mUserVisibleHint) { 134137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mDeferStart = true; 134237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (newState > Fragment.STOPPED) { 134337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell newState = Fragment.STOPPED; 134437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 134579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 134679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1347a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 134837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mHost = mHost; 134937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mParentFragment = mParent; 135037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mFragmentManager = mParent != null 135137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell ? mParent.mChildFragmentManager : mHost.getFragmentManagerImpl(); 1352a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 1353a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell // If we have a target fragment, push it along to at least CREATED 1354a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell // so that this one can rely on it as an initialized dependency. 1355a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell if (f.mTarget != null) { 135696767975440de77e44a231e6ef66b374b1403bd0George Mount if (mActive.get(f.mTarget.mIndex) != f.mTarget) { 1357a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell throw new IllegalStateException("Fragment " + f 1358a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell + " declared target fragment " + f.mTarget 1359a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell + " that does not belong to this FragmentManager!"); 1360a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1361a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell if (f.mTarget.mState < Fragment.CREATED) { 1362a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell moveToState(f.mTarget, Fragment.CREATED, 0, 0, true); 1363a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1364a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1365a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 136637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentPreAttached(f, mHost.getContext(), false); 136737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mCalled = false; 136837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.onAttach(mHost.getContext()); 136937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (!f.mCalled) { 137037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell throw new SuperNotCalledException("Fragment " + f 137137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell + " did not call through to super.onAttach()"); 137237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 137337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mParentFragment == null) { 137437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell mHost.onAttachFragment(f); 137537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } else { 137637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mParentFragment.onAttachFragment(f); 137737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 137837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentAttached(f, mHost.getContext(), false); 13790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1380e97d1f2defa08e9bff9d39d6157981e30407e90aGeorge Mount if (!f.mIsCreated) { 13811d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell dispatchOnFragmentPreCreated(f, f.mSavedFragmentState, false); 138237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.performCreate(f.mSavedFragmentState); 138337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentCreated(f, f.mSavedFragmentState, false); 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 138537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.restoreChildFragmentState(f.mSavedFragmentState); 138637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mState = Fragment.CREATED; 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 138837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mRetaining = false; 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1390b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 139237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // This is outside the if statement below on purpose; we want this to run 139337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // even if we do a moveToState from CREATED => *, CREATED => CREATED, and 139437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // * => CREATED as part of the case fallthrough above. 139537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell ensureInflatedFragmentView(f); 139637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 1398e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 1399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 140236bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell if (f.mContainerId == View.NO_ID) { 140336bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell throwException(new IllegalArgumentException( 140436bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell "Cannot create fragment " 140536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + f 140636bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + " for a container view with no id")); 140736bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 140836bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell container = (ViewGroup) mContainer.onFindViewById(f.mContainerId); 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 141036bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell String resName; 141136bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell try { 141236bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = f.getResources().getResourceName(f.mContainerId); 141336bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } catch (NotFoundException e) { 141436bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = "unknown"; 141536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 141613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalArgumentException( 141713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No view found for id 0x" 141813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 141936bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + resName 142013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + ") for fragment " + f)); 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 14248b60e88655f6d4191e55b1dd8706e4ae2ae21b04George Mount f.mView = f.performCreateView(f.performGetLayoutInflater( 14250adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), container, f.mSavedFragmentState); 1426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 1428fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas f.mView.setSaveFromParentEnabled(false); 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 1430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 1431990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1432990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHidden) { 1433990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mView.setVisibility(View.GONE); 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1435e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 1436267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, 1437267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell false); 1438d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount // Only animate the view if it is visible. This is done after 1439d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount // dispatchOnFragmentViewCreated in case visibility is changed 1440d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount f.mIsNewlyAdded = (f.mView.getVisibility() == View.VISIBLE) 1441d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount && f.mContainer != null; 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 14460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 14470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performActivityCreated(f.mSavedFragmentState); 1448267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentActivityCreated(f, f.mSavedFragmentState, false); 1449e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 14500adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.restoreViewState(f.mSavedFragmentState); 1451e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 1453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1454b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 14569375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell if (newState > Fragment.ACTIVITY_CREATED) { 14579375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell f.mState = Fragment.STOPPED; 14589375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell } 1459b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1460e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1461e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 14639c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 1464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStarted(f, false); 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1466b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 14700adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performResume(); 1471267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentResumed(f, false); 14724e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 14734e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 14810adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performPause(); 1482267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentPaused(f, false); 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1484b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 1489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStopped(f, false); 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1491b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1492e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1493218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 1494218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 1495218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 1496218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 1497b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 1500e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 15048491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (mHost.onShouldSaveFragmentState(f) && f.mSavedViewState == null) { 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15089c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 1509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewDestroyed(f, false); 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 1511a6a88fd0bbc5e342b4a71c143c907a61c5666bb4George Mount // Stop any current animations: 1512a6a88fd0bbc5e342b4a71c143c907a61c5666bb4George Mount f.mContainer.endViewTransition(f.mView); 1513e62545fdf58881a2d0426285648f71ce9323ca15George Mount f.mView.clearAnimation(); 151415e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = null; 1515990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState > Fragment.INITIALIZING && !mDestroyed 15160bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mView.getVisibility() == View.VISIBLE 15170bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mPostponedAlpha >= 0) { 15189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15210bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0; 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 152315e593ea3575512d7072240d1db9d74fad8749a3George Mount animateRemoveFragment(f, anim, newState); 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15258aa950177d9290b005f0817485f241ddc41c8026George Mount f.mContainer.removeView(f.mView); 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 153037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInLayout = false; 1531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1532b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 153615e593ea3575512d7072240d1db9d74fad8749a3George Mount // The fragment's containing activity is 153715e593ea3575512d7072240d1db9d74fad8749a3George Mount // being destroyed, but this fragment is 153815e593ea3575512d7072240d1db9d74fad8749a3George Mount // currently animating away. Stop the 153915e593ea3575512d7072240d1db9d74fad8749a3George Mount // animation right now -- it is not needed, 154015e593ea3575512d7072240d1db9d74fad8749a3George Mount // and we can't wait any more on destroying 154115e593ea3575512d7072240d1db9d74fad8749a3George Mount // the fragment. 1542990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.getAnimatingAway() != null) { 1543990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount View v = f.getAnimatingAway(); 1544990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 1545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 154615e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (f.getAnimator() != null) { 154715e593ea3575512d7072240d1db9d74fad8749a3George Mount Animator animator = f.getAnimator(); 154815e593ea3575512d7072240d1db9d74fad8749a3George Mount f.setAnimator(null); 154915e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.cancel(); 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 155215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (f.getAnimatingAway() != null || f.getAnimator() != null) { 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1557990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setStateAfterAnimating(newState); 15582c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 15620adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performDestroy(); 1563267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDestroyed(f, false); 156420735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } else { 1565b054427688e7cf0475bec09da9a3fb7688881459Adam Powell f.mState = Fragment.INITIALIZING; 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1568916455675ddb34d0eb848b2355550268d82c3ce7Adam Powell f.performDetach(); 1569267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDetached(f, false); 15705506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 15715506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 15725506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 15735506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 1574d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy f.mHost = null; 15756252d78085a07c9d6bb4645a4e8086bf23b0a49aTim Kilbourn f.mParentFragment = null; 15765506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 15775506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 15782c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 158320735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell 158420735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell if (f.mState != newState) { 158520735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell Log.w(TAG, "moveToState: Fragment state for " + f + " not updated inline; " 158620735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell + "expected state " + newState + " found " + f.mState); 158720735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell f.mState = newState; 158820735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } 1589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1590dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 159115e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 159215e593ea3575512d7072240d1db9d74fad8749a3George Mount * Animates the removal of a fragment with the given animator or animation. After animating, 159315e593ea3575512d7072240d1db9d74fad8749a3George Mount * the fragment's view will be removed from the hierarchy. 159415e593ea3575512d7072240d1db9d74fad8749a3George Mount * 159515e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param fragment The fragment to animate out 159615e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param anim The animator or animation to run on the fragment's view 159715e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param newState The final state after animating. 159815e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 159915e593ea3575512d7072240d1db9d74fad8749a3George Mount private void animateRemoveFragment(@NonNull final Fragment fragment, 160015e593ea3575512d7072240d1db9d74fad8749a3George Mount @NonNull AnimationOrAnimator anim, final int newState) { 160115e593ea3575512d7072240d1db9d74fad8749a3George Mount final View viewToAnimate = fragment.mView; 16026d8b13113aae9b68bec4441bdfe549f0a1d6b32eGeorge Mount final ViewGroup container = fragment.mContainer; 16036d8b13113aae9b68bec4441bdfe549f0a1d6b32eGeorge Mount container.startViewTransition(viewToAnimate); 160415e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setStateAfterAnimating(newState); 160515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation != null) { 1606e62545fdf58881a2d0426285648f71ce9323ca15George Mount Animation animation = 1607e62545fdf58881a2d0426285648f71ce9323ca15George Mount new EndViewTransitionAnimator(anim.animation, container, viewToAnimate); 160815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimatingAway(fragment.mView); 160915e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener listener = getAnimationListener(animation); 161015e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.setAnimationListener(new AnimationListenerWrapper(listener) { 161115e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 161215e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 161315e593ea3575512d7072240d1db9d74fad8749a3George Mount super.onAnimationEnd(animation); 1614e62545fdf58881a2d0426285648f71ce9323ca15George Mount 1615bad50a1424252621296ef611ee2f3e0f73711562George Mount // onAnimationEnd() comes during draw(), so there can still be some 1616bad50a1424252621296ef611ee2f3e0f73711562George Mount // draw events happening after this call. We don't want to detach 1617bad50a1424252621296ef611ee2f3e0f73711562George Mount // the view until after the onAnimationEnd() 1618bad50a1424252621296ef611ee2f3e0f73711562George Mount container.post(new Runnable() { 1619bad50a1424252621296ef611ee2f3e0f73711562George Mount @Override 1620bad50a1424252621296ef611ee2f3e0f73711562George Mount public void run() { 1621bad50a1424252621296ef611ee2f3e0f73711562George Mount if (fragment.getAnimatingAway() != null) { 1622bad50a1424252621296ef611ee2f3e0f73711562George Mount fragment.setAnimatingAway(null); 1623bad50a1424252621296ef611ee2f3e0f73711562George Mount moveToState(fragment, fragment.getStateAfterAnimating(), 0, 0, 1624bad50a1424252621296ef611ee2f3e0f73711562George Mount false); 1625bad50a1424252621296ef611ee2f3e0f73711562George Mount } 1626bad50a1424252621296ef611ee2f3e0f73711562George Mount } 1627bad50a1424252621296ef611ee2f3e0f73711562George Mount }); 162815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 162915e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 163015e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(viewToAnimate, anim); 163115e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.startAnimation(animation); 163215e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 16335ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount Animator animator = anim.animator; 163415e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimator(anim.animator); 163515e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.addListener(new AnimatorListenerAdapter() { 163615e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 163715e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator anim) { 16385ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount container.endViewTransition(viewToAnimate); 16395ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount // If an animator ends immediately, we can just pretend there is no animation. 16405ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount // When that happens the the fragment's view won't have been removed yet. 16415ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount Animator animator = fragment.getAnimator(); 16425ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount fragment.setAnimator(null); 16435ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount if (animator != null && container.indexOfChild(viewToAnimate) < 0) { 16445ee728a9f41b6ea2bbdc332b2ebe2255f3bdbfb7George Mount moveToState(fragment, fragment.getStateAfterAnimating(), 0, 0, false); 164515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 164615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 164715e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 164815e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.setTarget(fragment.mView); 164915e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 165015e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.start(); 165115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 165215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 165315e593ea3575512d7072240d1db9d74fad8749a3George Mount 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 16555506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 165837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell void ensureInflatedFragmentView(Fragment f) { 165937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mFromLayout && !f.mPerformedCreateView) { 1660bae5c5f73f48516194fdf5c7cfb6b3b7d9878537George Mount f.mView = f.performCreateView(f.performGetLayoutInflater( 166137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedFragmentState), null, f.mSavedFragmentState); 166237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mView != null) { 166337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInnerView = f.mView; 1664fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas f.mView.setSaveFromParentEnabled(false); 166537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mHidden) f.mView.setVisibility(View.GONE); 166637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.onViewCreated(f.mView, f.mSavedFragmentState); 166737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, false); 166837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } else { 166937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInnerView = null; 167037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 167137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 167237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 167337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell 1674990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1675990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Fragments that have been shown or hidden don't have their visibility changed or 1676990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * animations run during the {@link #showFragment(Fragment)} or {@link #hideFragment(Fragment)} 1677990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * calls. After fragments are brought to their final state in 1678990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #moveFragmentToExpectedState(Fragment)} the fragments that have been shown or 1679990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * hidden must have their visibility changed and their animations started here. 1680990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1681990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment with mHiddenChanged = true that should change its View's 1682990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * visibility and start the show or hide animation. 1683990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1684990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void completeShowHideFragment(final Fragment fragment) { 1685990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null) { 168615e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = loadAnimation(fragment, fragment.getNextTransition(), 1687990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount !fragment.mHidden, fragment.getNextTransitionStyle()); 168815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim != null && anim.animator != null) { 168915e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.setTarget(fragment.mView); 169015e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.mHidden) { 169115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.isHideReplaced()) { 169215e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setHideReplaced(false); 169315e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 169415e593ea3575512d7072240d1db9d74fad8749a3George Mount final ViewGroup container = fragment.mContainer; 169515e593ea3575512d7072240d1db9d74fad8749a3George Mount final View animatingView = fragment.mView; 169615e593ea3575512d7072240d1db9d74fad8749a3George Mount container.startViewTransition(animatingView); 169715e593ea3575512d7072240d1db9d74fad8749a3George Mount // Delay the actual hide operation until the animation finishes, 169815e593ea3575512d7072240d1db9d74fad8749a3George Mount // otherwise the fragment will just immediately disappear 169915e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.addListener(new AnimatorListenerAdapter() { 170015e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 170115e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator animation) { 170215e593ea3575512d7072240d1db9d74fad8749a3George Mount container.endViewTransition(animatingView); 170315e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.removeListener(this); 170415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.mView != null) { 170515e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(View.GONE); 170615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 170715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 170815e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 170915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 171015e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 171115e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(View.VISIBLE); 171215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1713990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 171415e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.start(); 171515e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 171615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim != null) { 171715e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 171815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.startAnimation(anim.animation); 171915e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animation.start(); 172015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 172115e593ea3575512d7072240d1db9d74fad8749a3George Mount final int visibility = fragment.mHidden && !fragment.isHideReplaced() 172215e593ea3575512d7072240d1db9d74fad8749a3George Mount ? View.GONE 172315e593ea3575512d7072240d1db9d74fad8749a3George Mount : View.VISIBLE; 172415e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(visibility); 172515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.isHideReplaced()) { 172615e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setHideReplaced(false); 172715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1728667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount } 1729990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1730990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1731990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNeedMenuInvalidate = true; 1732990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1733990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1734990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.onHiddenChanged(fragment.mHidden); 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1736dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1737990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1738990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Moves a fragment to its expected final state or the fragment manager's state, depending 1739990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * on whether the fragment manager's state is raised properly. 1740990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1741990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment to change. 1742990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1743990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void moveFragmentToExpectedState(Fragment f) { 1744990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f == null) { 1745990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 1746990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1747990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int nextState = mCurState; 1748990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mRemoving) { 1749990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.isInBackStack()) { 175040e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.CREATED); 1751990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 175240e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.INITIALIZING); 1753990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1755990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, nextState, f.getNextTransition(), f.getNextTransitionStyle(), false); 17560adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1757990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mView != null) { 1758990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Move the view if it is out of order 1759990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = findFragmentUnder(f); 1760990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment != null) { 1761990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View underView = underFragment.mView; 1762990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // make sure this fragment is in the right order. 1763990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 1764990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int underIndex = container.indexOfChild(underView); 1765990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int viewIndex = container.indexOfChild(f.mView); 1766990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (viewIndex < underIndex) { 1767990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.removeViewAt(viewIndex); 1768990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.addView(f.mView, underIndex); 1769990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1770990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1771990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mIsNewlyAdded && f.mContainer != null) { 1772990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Make it visible and run the animations 17739d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas if (f.mPostponedAlpha > 0f) { 17740bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mView.setAlpha(f.mPostponedAlpha); 17750bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 17760bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0f; 1777990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mIsNewlyAdded = false; 1778990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // run animations: 177915e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = loadAnimation(f, f.getNextTransition(), true, 1780990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.getNextTransitionStyle()); 1781990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (anim != null) { 1782990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(f.mView, anim); 178315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation != null) { 178415e593ea3575512d7072240d1db9d74fad8749a3George Mount f.mView.startAnimation(anim.animation); 178515e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 178615e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.setTarget(f.mView); 178715e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.start(); 178815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1789990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1790990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1791990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1792990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHiddenChanged) { 1793990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount completeShowHideFragment(f); 1794990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1795990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1796990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 179777f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount /** 179877f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * Changes the state of the fragment manager to {@code newState}. If the fragment manager 179977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * changes state or {@code always} is {@code true}, any fragments within it have their 180077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * states updated as well. 180177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * 180277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param newState The new state for the fragment manager 180377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param always If {@code true}, all fragments update their state, even 180477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * if {@code newState} matches the current fragment manager's state. 180577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount */ 180677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount void moveToState(int newState, boolean always) { 1807990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mHost == null && newState != Fragment.INITIALIZING) { 1808990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount throw new IllegalStateException("No activity"); 1809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 18100adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 181177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount if (!always && newState == mCurState) { 181277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount return; 181377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount } 181477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1816990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1818990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1819990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Must add them in the proper order. mActive fragments may be out of order 1820ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount final int numAdded = mAdded.size(); 1821ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < numAdded; i++) { 1822ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 1823ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount moveFragmentToExpectedState(f); 1824990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1825990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1826990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Now iterate through all active fragments. These will include those that are removed 1827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // and detached. 1828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 1829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 183090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f != null && (f.mRemoving || f.mDetached) && !f.mIsNewlyAdded) { 1832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveFragmentToExpectedState(f); 1833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 183698179e0c692f8812d961e2e1d8a7ef086ea234f5Ian Lake startPendingDeferredFragments(); 1837abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1838d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mNeedMenuInvalidate && mHost != null && mCurState == Fragment.RESUMED) { 18398491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onSupportInvalidateOptionsMenu(); 1840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1844abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1845abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 18461199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 18471199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1848abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 184990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1850abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1851abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1852abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1853abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1854abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1855dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1860dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 186190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.setIndex(mNextFragmentIndex++, mParent); 186290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 186390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(); 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 186590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 1866be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1868dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1873dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1874be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 187590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // Don't remove yet. That happens in burpActive(). This prevents 187690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // concurrent modification while iterating over mActive 187790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, null); 187890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 18799c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1881dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1884e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1885e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 18863a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 18873a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 18883a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 188996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 189096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 189196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1892e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1893e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 1894990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView == null) { 1895990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1896990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 18972a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1898e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1899e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1900e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1901e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1902e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1905dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1906990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void removeFragment(Fragment fragment) { 1907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1908e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1909e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1910ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount synchronized (mAdded) { 1911ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount mAdded.remove(fragment); 1912464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 19132a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1914e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1915e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1916e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1917e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1920dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1921990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1922990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Marks a fragment as hidden to be later animated in with 1923990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #completeShowHideFragment(Fragment)}. 1924990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1925990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment to be shown. 1926990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1927990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void hideFragment(Fragment fragment) { 1928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1931990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Toggle hidden changed so that if a fragment goes through show/hide/show 1932990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // it doesn't go through the animation. 1933990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = !fragment.mHiddenChanged; 1934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1936dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1937990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1938990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Marks a fragment as shown to be later animated in with 1939990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #completeShowHideFragment(Fragment)}. 1940990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1941990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment to be shown. 1942990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1943990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void showFragment(Fragment fragment) { 1944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1947990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Toggle hidden changed so that if a fragment goes through show/hide/show 1948990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // it doesn't go through the animation. 1949990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = !fragment.mHiddenChanged; 1950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1952dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1953990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void detachFragment(Fragment fragment) { 1954e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1955e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1956e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1957e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1958e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1959ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); 1960ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount synchronized (mAdded) { 1961ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount mAdded.remove(fragment); 1962464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 19632a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1964e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1965e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1966e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1967e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1968e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1969e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1970e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1971990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void attachFragment(Fragment fragment) { 1972e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1973e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1974e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1975e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 19763a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 19773a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 19783a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 19793a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "add from attach: " + fragment); 198096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 198196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 198296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1983e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 19842a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1985e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1986e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1987e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1988e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1989e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1990e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 199190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 1992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1993ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount // First look through added fragments. 1994ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = mAdded.size() - 1; i >= 0; i--) { 1995ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 1996ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null && f.mFragmentId == id) { 1997ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount return f; 1998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1999464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 2000464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 2001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 2002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 200390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 2005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 201190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 201290ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 2013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 2014ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (tag != null) { 2015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 2016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 2017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 2018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 2019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2022464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 2023464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 2024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 2025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 202690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 2028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2034dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 2036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 2037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 203890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 20390adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null && (f=f.findFragmentByWho(who)) != null) { 2040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2046dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 20480d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake if (isStateSaved()) { 2049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 2050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 2051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 2053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 2054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 2055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 205847844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount @Override 20595e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell public boolean isStateSaved() { 20600d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake // See saveAllState() for the explanation of this. We do this for 20610d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake // all platform versions, to keep our behavior more consistent between 20620d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake // them. 20630d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake return mStateSaved || mStopped; 20645e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell } 20655e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell 2066ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette /** 2067ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * Adds an action to the queue of pending actions. 2068ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * 2069ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param action the action to add 2070ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param allowStateLoss whether to allow loss of state information 2071ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @throws IllegalStateException if the activity has been destroyed 2072ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette */ 2073990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void enqueueAction(OpGenerator action, boolean allowStateLoss) { 2074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 2075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 2076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2078d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mDestroyed || mHost == null) { 2079875d9733f354fc93e72c7e8d849c9b5333950183George Mount if (allowStateLoss) { 2080875d9733f354fc93e72c7e8d849c9b5333950183George Mount // This FragmentManager isn't attached, so drop the entire transaction. 2081875d9733f354fc93e72c7e8d849c9b5333950183George Mount return; 2082875d9733f354fc93e72c7e8d849c9b5333950183George Mount } 2083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 2084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 2086990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions = new ArrayList<>(); 2087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 2089990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount scheduleCommit(); 2090990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2091990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2092990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2093990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2094990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Schedules the execution when one hasn't been scheduled already. This should happen 2095990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the first time {@link #enqueueAction(OpGenerator, boolean)} is called or when 2096990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a postponed transaction has been started with 2097990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} 2098990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2099990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void scheduleCommit() { 2100990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 2101990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean postponeReady = 2102990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions != null && !mPostponedTransactions.isEmpty(); 2103990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean pendingReady = mPendingActions != null && mPendingActions.size() == 1; 2104990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (postponeReady || pendingReady) { 2105d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().removeCallbacks(mExecCommit); 2106d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().post(mExecCommit); 2107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2110dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 2112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 2114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 2115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 2116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 2118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 2119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 2120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 2121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 2124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 2125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 2126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 2127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 2132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 2134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 2135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 2137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 2138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 2139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 2140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 2142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 2143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 2144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 2145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 2147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 2148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 2149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 2151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 2152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 2157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 2159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 2160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 2161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 2163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 2164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2167990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2168990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Broken out from exec*, this prepares for gathering and executing operations. 2169990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2170990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param allowStateLoss true if state loss should be ignored or false if it should be 2171990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * checked. 2172990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2173990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void ensureExecReady(boolean allowStateLoss) { 2174e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell if (mExecutingActions) { 2175e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell throw new IllegalStateException("FragmentManager is already executing transactions"); 2176e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2177e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2178104bca7256dba76376aa7921517b2568e09c7bacIan Lake if (mHost == null) { 2179104bca7256dba76376aa7921517b2568e09c7bacIan Lake throw new IllegalStateException("Fragment host has been destroyed"); 2180104bca7256dba76376aa7921517b2568e09c7bacIan Lake } 2181104bca7256dba76376aa7921517b2568e09c7bacIan Lake 2182e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell if (Looper.myLooper() != mHost.getHandler().getLooper()) { 2183e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell throw new IllegalStateException("Must be called from main thread of fragment host"); 2184e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2185e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2186e880475b147312ca62bed05bbeb37ec820d693aeAdam Powell if (!allowStateLoss) { 2187e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell checkStateLoss(); 2188e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2189e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2190990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mTmpRecords == null) { 2191990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpRecords = new ArrayList<>(); 2192990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpIsPop = new ArrayList<>(); 2193990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 21940a849aafc735476e572e97c78be0ce912adfe512George Mount mExecutingActions = true; 21950a849aafc735476e572e97c78be0ce912adfe512George Mount try { 21960a849aafc735476e572e97c78be0ce912adfe512George Mount executePostponedTransaction(null, null); 21970a849aafc735476e572e97c78be0ce912adfe512George Mount } finally { 21980a849aafc735476e572e97c78be0ce912adfe512George Mount mExecutingActions = false; 21990a849aafc735476e572e97c78be0ce912adfe512George Mount } 2200990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2201990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2202990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void execSingleAction(OpGenerator action, boolean allowStateLoss) { 2203875d9733f354fc93e72c7e8d849c9b5333950183George Mount if (allowStateLoss && (mHost == null || mDestroyed)) { 2204875d9733f354fc93e72c7e8d849c9b5333950183George Mount // This FragmentManager isn't attached, so drop the entire transaction. 2205875d9733f354fc93e72c7e8d849c9b5333950183George Mount return; 2206875d9733f354fc93e72c7e8d849c9b5333950183George Mount } 2207990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(allowStateLoss); 2208990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (action.generateOps(mTmpRecords, mTmpIsPop)) { 2209990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 2210990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 2211fda5be2466024a656152015c45a7681361d399bbGeorge Mount removeRedundantOperationsAndExecute(mTmpRecords, mTmpIsPop); 2212990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 2213990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 2214990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2215990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2216e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2217e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell doPendingDeferredStart(); 221890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 2219e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2220e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2222990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Broken out of exec*, this cleans up the mExecutingActions and the temporary structures 2223990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * used in executing operations. 2224990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2225990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void cleanupExec() { 2226990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = false; 2227990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpIsPop.clear(); 2228990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpRecords.clear(); 2229990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2230990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2231990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 2233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 2234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 2235990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(true); 2236990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2237990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean didSomething = false; 2238990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount while (generateOpsForPendingActions(mTmpRecords, mTmpIsPop)) { 2239990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 2240990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 2241fda5be2466024a656152015c45a7681361d399bbGeorge Mount removeRedundantOperationsAndExecute(mTmpRecords, mTmpIsPop); 2242990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 2243990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 2244990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2245990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount didSomething = true; 2246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2247dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2248990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount doPendingDeferredStart(); 224990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 2250990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2251990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return didSomething; 2252990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2253990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2254990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2255990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Complete the execution of transactions that have previously been postponed, but are 2256990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * now ready. 2257990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2258990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void executePostponedTransaction(ArrayList<BackStackRecord> records, 2259990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 2260990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int numPostponed = mPostponedTransactions == null ? 0 : mPostponedTransactions.size(); 2261990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numPostponed; i++) { 2262990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener listener = mPostponedTransactions.get(i); 2263990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records != null && !listener.mIsBack) { 2264990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int index = records.indexOf(listener.mRecord); 2265990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (index != -1 && isRecordPop.get(index)) { 2266990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.cancelTransaction(); 2267990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount continue; 2268990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2269990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2270990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (listener.isReady() || (records != null 2271990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && listener.mRecord.interactsWith(records, 0, records.size()))) { 2272990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.remove(i); 2273990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount i--; 2274990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount numPostponed--; 2275990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int index; 2276990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records != null && !listener.mIsBack 2277990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && (index = records.indexOf(listener.mRecord)) != -1 2278990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && isRecordPop.get(index)) { 2279990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // This is popping a postponed transaction 2280990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.cancelTransaction(); 2281990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 2282990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.completeTransaction(); 2283990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2284990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2286990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2288990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2289fda5be2466024a656152015c45a7681361d399bbGeorge Mount * Remove redundant BackStackRecord operations and executes them. This method merges operations 2290fda5be2466024a656152015c45a7681361d399bbGeorge Mount * of proximate records that allow reordering. See 2291fda5be2466024a656152015c45a7681361d399bbGeorge Mount * {@link FragmentTransaction#setReorderingAllowed(boolean)}. 2292990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2293990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * For example, a transaction that adds to the back stack and then another that pops that 2294fda5be2466024a656152015c45a7681361d399bbGeorge Mount * back stack record will be optimized to remove the unnecessary operation. 2295990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2296990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Likewise, two transactions committed that are executed at the same time will be optimized 2297fda5be2466024a656152015c45a7681361d399bbGeorge Mount * to remove the redundant operations as well as two pop operations executed together. 2298990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2299990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records The records pending execution 2300990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2301990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2302fda5be2466024a656152015c45a7681361d399bbGeorge Mount private void removeRedundantOperationsAndExecute(ArrayList<BackStackRecord> records, 2303990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 2304990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records == null || records.isEmpty()) { 2305990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 2306990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2307990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2308990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isRecordPop == null || records.size() != isRecordPop.size()) { 2309990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount throw new IllegalStateException("Internal error with the back stack records"); 2310990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2311990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2312990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Force start of any postponed transactions that interact with scheduled transactions: 2313990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executePostponedTransaction(records, isRecordPop); 2314990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2315990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numRecords = records.size(); 2316990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int startIndex = 0; 2317990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = 0; recordNum < numRecords; recordNum++) { 2318fda5be2466024a656152015c45a7681361d399bbGeorge Mount final boolean canReorder = records.get(recordNum).mReorderingAllowed; 2319fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (!canReorder) { 2320990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // execute all previous transactions 2321990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (startIndex != recordNum) { 2322990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOpsTogether(records, isRecordPop, startIndex, recordNum); 2323990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2324fda5be2466024a656152015c45a7681361d399bbGeorge Mount // execute all pop operations that don't allow reordering together or 2325fda5be2466024a656152015c45a7681361d399bbGeorge Mount // one add operation 2326fda5be2466024a656152015c45a7681361d399bbGeorge Mount int reorderingEnd = recordNum + 1; 2327f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount if (isRecordPop.get(recordNum)) { 2328fda5be2466024a656152015c45a7681361d399bbGeorge Mount while (reorderingEnd < numRecords 2329fda5be2466024a656152015c45a7681361d399bbGeorge Mount && isRecordPop.get(reorderingEnd) 2330fda5be2466024a656152015c45a7681361d399bbGeorge Mount && !records.get(reorderingEnd).mReorderingAllowed) { 2331fda5be2466024a656152015c45a7681361d399bbGeorge Mount reorderingEnd++; 2332990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2333990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2334fda5be2466024a656152015c45a7681361d399bbGeorge Mount executeOpsTogether(records, isRecordPop, recordNum, reorderingEnd); 2335fda5be2466024a656152015c45a7681361d399bbGeorge Mount startIndex = reorderingEnd; 2336fda5be2466024a656152015c45a7681361d399bbGeorge Mount recordNum = reorderingEnd - 1; 2337990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2338990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2339990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (startIndex != numRecords) { 2340990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOpsTogether(records, isRecordPop, startIndex, numRecords); 2341990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2342990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2343990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2344990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2345fda5be2466024a656152015c45a7681361d399bbGeorge Mount * Executes a subset of a list of BackStackRecords, all of which either allow reordering or 2346fda5be2466024a656152015c45a7681361d399bbGeorge Mount * do not allow ordering. 2347fda5be2466024a656152015c45a7681361d399bbGeorge Mount * @param records A list of BackStackRecords that are to be executed 2348990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2349fda5be2466024a656152015c45a7681361d399bbGeorge Mount * @param startIndex The index of the first record in <code>records</code> to be executed 2350fda5be2466024a656152015c45a7681361d399bbGeorge Mount * @param endIndex One more than the final record index in <code>records</code> to executed. 2351990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2352990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void executeOpsTogether(ArrayList<BackStackRecord> records, 2353990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex) { 2354fda5be2466024a656152015c45a7681361d399bbGeorge Mount final boolean allowReordering = records.get(startIndex).mReorderingAllowed; 2355990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean addToBackStack = false; 2356990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mTmpAddedFragments == null) { 2357990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments = new ArrayList<>(); 2358990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 2359990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.clear(); 2360990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2361ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount mTmpAddedFragments.addAll(mAdded); 2362418738949305a8a0e30eba92c125c650048f9c50Adam Powell Fragment oldPrimaryNav = getPrimaryNavigationFragment(); 2363990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2364990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2365990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2366990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (!isPop) { 2367418738949305a8a0e30eba92c125c650048f9c50Adam Powell oldPrimaryNav = record.expandOps(mTmpAddedFragments, oldPrimaryNav); 23681ff374ad7efdabdd103bf0ad3352a4bb184acc78George Mount } else { 23691ff374ad7efdabdd103bf0ad3352a4bb184acc78George Mount oldPrimaryNav = record.trackAddedFragmentsInPop(mTmpAddedFragments, oldPrimaryNav); 2370990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2371990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount addToBackStack = addToBackStack || record.mAddToBackStack; 2372990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2373990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.clear(); 2374990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2375fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (!allowReordering) { 2376990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, endIndex, 2377990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2378990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2379990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOps(records, isRecordPop, startIndex, endIndex); 2380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2381990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2382fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (allowReordering) { 23830bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> addedFragments = new ArraySet<>(); 23840bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(addedFragments); 2385990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex = postponePostponableTransactions(records, isRecordPop, 23860bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount startIndex, endIndex, addedFragments); 23870bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount makeRemovedFragmentsInvisible(addedFragments); 2388990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2389990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2390fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (postponeIndex != startIndex && allowReordering) { 2391990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // need to run something now 2392990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, 2393990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex, true); 239477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 2395990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2396990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2397990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2398990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2399990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2400990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop && record.mIndex >= 0) { 2401990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount freeBackStackIndex(record.mIndex); 2402990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.mIndex = -1; 2403990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 24045e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell record.runOnCommitRunnables(); 2405990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2406990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (addToBackStack) { 2407990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount reportBackStackChanged(); 2408990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2409990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2410dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2411990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 24120bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any fragments that were removed because they have been postponed should have their views 241315e593ea3575512d7072240d1db9d74fad8749a3George Mount * made invisible by setting their alpha to 0. 24140bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * 24150bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * @param fragments The fragments that were added during operation execution. Only the ones 24160bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * that are no longer added will have their alpha changed. 24170bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount */ 24180bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void makeRemovedFragmentsInvisible(ArraySet<Fragment> fragments) { 24190bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final int numAdded = fragments.size(); 24200bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount for (int i = 0; i < numAdded; i++) { 24210bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final Fragment fragment = fragments.valueAt(i); 24220bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (!fragment.mAdded) { 24230bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final View view = fragment.getView(); 24249d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas fragment.mPostponedAlpha = view.getAlpha(); 24259d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas view.setAlpha(0f); 24260bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24270bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24280bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24290bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 24300bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount /** 2431990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Examine all transactions and determine which ones are marked as postponed. Those will 2432990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * have their operations rolled back and moved to the end of the record list (up to endIndex). 2433990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * It will also add the postponed transaction to the queue. 2434990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2435990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list of BackStackRecords that should be checked. 2436990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2437990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first record in <code>records</code> to be checked 2438990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One more than the final record index in <code>records</code> to be checked. 2439990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The index of the first postponed transaction or endIndex if no transaction was 2440990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * postponed. 2441990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2442990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int postponePostponableTransactions(ArrayList<BackStackRecord> records, 24430bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex, 24440bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> added) { 2445990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2446990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = endIndex - 1; i >= startIndex; i--) { 2447990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2448990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2449990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean isPostponed = record.isPostponed() 2450990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && !record.interactsWith(records, i + 1, endIndex); 2451990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPostponed) { 2452990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions == null) { 2453990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions = new ArrayList<>(); 2454990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2455990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener listener = 2456990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount new StartEnterTransitionListener(record, isPop); 2457990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.add(listener); 2458990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.setOnStartPostponedListener(listener); 2459990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2460990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // roll back the transaction 2461990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 2462990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2463990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 24640846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(false); 2465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2466dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2467990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // move to the end 2468990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex--; 2469990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (i != postponeIndex) { 2470990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.remove(i); 2471990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(postponeIndex, record); 2472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2473990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2474990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // different views may be visible now 24750bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(added); 2476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2477990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2478990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return postponeIndex; 2479990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2480dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2481990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2482990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * When a postponed transaction is ready to be started, this completes the transaction, 2483990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * removing, hiding, or showing views as well as starting the animations and transitions. 2484990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2485990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@code runtransitions} is set to false when the transaction postponement was interrupted 2486990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * abnormally -- normally by a new transaction being started that affects the postponed 2487990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction. 2488990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2489990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param record The transaction to run 2490990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop true if record is popping or false if it is adding 2491990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param runTransitions true if the fragment transition should be run or false otherwise. 2492990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param moveToState true if the state should be changed after executing the operations. 2493990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is false when the transaction is canceled when a postponed 2494990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction is popped. 2495990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2496990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void completeExecute(BackStackRecord record, boolean isPop, boolean runTransitions, 2497990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean moveToState) { 24988ab31e242e509b289fa6a577426b21cc45b95ef5George Mount if (isPop) { 24998ab31e242e509b289fa6a577426b21cc45b95ef5George Mount record.executePopOps(moveToState); 25008ab31e242e509b289fa6a577426b21cc45b95ef5George Mount } else { 25018ab31e242e509b289fa6a577426b21cc45b95ef5George Mount record.executeOps(); 25028ab31e242e509b289fa6a577426b21cc45b95ef5George Mount } 2503990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> records = new ArrayList<>(1); 2504990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop = new ArrayList<>(1); 2505990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(record); 2506990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(isPop); 2507990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (runTransitions) { 2508990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, 0, 1, true); 2509990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2510990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (moveToState) { 251177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 25120bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 25130bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 25140bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (mActive != null) { 2515990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 2516990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 2517990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Allow added fragments to be removed during the pop since we aren't going 2518990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // to move them to the final state with moveToState(mCurState). 251990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 25200bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (fragment != null && fragment.mView != null && fragment.mIsNewlyAdded 2521990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && record.interactsWith(fragment.mContainerId)) { 25229d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas if (fragment.mPostponedAlpha > 0) { 25230bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mView.setAlpha(fragment.mPostponedAlpha); 25240bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 25250bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (moveToState) { 25260bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = 0; 25270bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } else { 25280bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = -1; 25290bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mIsNewlyAdded = false; 25300bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 2531990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2534990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2535dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2536990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2537990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Find a fragment within the fragment's container whose View should be below the passed 2538990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * fragment. {@code null} is returned when the fragment has no View or if there should be 2539990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * no fragment with a View below the given fragment. 2540990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2541990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * As an example, if mAdded has two Fragments with Views sharing the same container: 2542990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentA 2543990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentB 2544990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2545990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Then, when processing FragmentB, FragmentA will be returned. If, however, FragmentA 2546990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * had no View, null would be returned. 2547990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2548990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment that may be on top of another fragment. 2549990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The fragment with a View under f, if one exists or null if f has no View or 2550990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * there are no fragments with Views in the same container. 2551990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2552990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private Fragment findFragmentUnder(Fragment f) { 2553990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 2554990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View view = f.mView; 2555e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2556990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (container == null || view == null) { 2557990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2558990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2559990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2560990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int fragmentIndex = mAdded.indexOf(f); 2561990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = fragmentIndex - 1; i >= 0; i--) { 2562990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = mAdded.get(i); 2563990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment.mContainer == container && underFragment.mView != null) { 2564990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Found the fragment under this one 2565990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return underFragment; 2566990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2567990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2568990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2569990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2570990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2571990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2572990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Run the operations in the BackStackRecords, either to push or pop. 2573990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2574990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records The list of records whose operations should be run. 2575990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2576990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first entry in records to run. 2577990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One past the index of the final entry in records to run. 2578990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2579990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private static void executeOps(ArrayList<BackStackRecord> records, 2580990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex) { 2581990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = startIndex; i < endIndex; i++) { 2582990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2583990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2584990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 258537e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(-1); 25860846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // Only execute the add operations at the end of 25870846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // all transactions. 25880846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount boolean moveToState = i == (endIndex - 1); 25890846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(moveToState); 2590990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 259137e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(1); 2592990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2593990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2594990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2595990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2596990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2597990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2598990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ensure that fragments that are added are moved to at least the CREATED state. 25990bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any newly-added Views are inserted into {@code added} so that the Transaction can be 26000bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * postponed with {@link Fragment#postponeEnterTransition()}. They will later be made 26010bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * invisible (by setting their alpha to 0) if they have been removed when postponed. 2602990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 26030bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void addAddedFragments(ArraySet<Fragment> added) { 2604990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState < Fragment.CREATED) { 2605990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 2606990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2607990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // We want to leave the fragment in the started state 2608990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int state = Math.min(mCurState, Fragment.STARTED); 2609ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount final int numAdded = mAdded.size(); 2610990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 2611990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment fragment = mAdded.get(i); 2612990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mState < state) { 2613990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(fragment, state, fragment.getNextAnim(), fragment.getNextTransition(), 2614990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2615990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null && !fragment.mHidden && fragment.mIsNewlyAdded) { 26160bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount added.add(fragment); 2617990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2618990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2619990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2620990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2621990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2622990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2623990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Starts all postponed transactions regardless of whether they are ready or not. 2624990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2625990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void forcePostponedTransactions() { 2626990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions != null) { 2627990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount while (!mPostponedTransactions.isEmpty()) { 2628990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.remove(0).completeTransaction(); 2629990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2630990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2631990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2632990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2633990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2634990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ends the animations of fragments so that they immediately reach the end state. 2635990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is used prior to saving the state so that the correct state is saved. 2636990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2637990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void endAnimatingAwayFragments() { 2638990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numFragments = mActive == null ? 0 : mActive.size(); 2639990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numFragments; i++) { 264090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 264115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment != null) { 264215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.getAnimatingAway() != null) { 264315e593ea3575512d7072240d1db9d74fad8749a3George Mount // Give up waiting for the animation and just end it. 264415e593ea3575512d7072240d1db9d74fad8749a3George Mount final int stateAfterAnimating = fragment.getStateAfterAnimating(); 264515e593ea3575512d7072240d1db9d74fad8749a3George Mount final View animatingAway = fragment.getAnimatingAway(); 264615e593ea3575512d7072240d1db9d74fad8749a3George Mount Animation animation = animatingAway.getAnimation(); 264715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 264815e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.cancel(); 264915e593ea3575512d7072240d1db9d74fad8749a3George Mount // force-clear the animation, as Animation#cancel() doesn't work prior to N, 265015e593ea3575512d7072240d1db9d74fad8749a3George Mount // and will instead cause the animation to infinitely loop 265115e593ea3575512d7072240d1db9d74fad8749a3George Mount animatingAway.clearAnimation(); 265215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 26536d8b13113aae9b68bec4441bdfe549f0a1d6b32eGeorge Mount fragment.setAnimatingAway(null); 265415e593ea3575512d7072240d1db9d74fad8749a3George Mount moveToState(fragment, stateAfterAnimating, 0, 0, false); 265515e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (fragment.getAnimator() != null) { 265615e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.getAnimator().end(); 26579b07983005689872240dee2084dec3520f95eb5aGeorge Mount } 2658990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2659990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2660990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2661990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2662990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2663990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Adds all records in the pending actions to records and whether they are add or pop 2664990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * operations to isPop. After executing, the pending actions will be empty. 2665990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2666990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records All pending actions will generate BackStackRecords added to this. 2667990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This contains the transactions, in order, to execute. 2668990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop All pending actions will generate booleans to add to this. This contains 2669990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an entry for each entry in records to indicate whether or not it is a 2670990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * pop action. 2671990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2672990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean generateOpsForPendingActions(ArrayList<BackStackRecord> records, 2673990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isPop) { 2674418738949305a8a0e30eba92c125c650048f9c50Adam Powell boolean didSomething = false; 2675990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 2676990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPendingActions == null || mPendingActions.size() == 0) { 2677990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return false; 2678990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2679990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2680418738949305a8a0e30eba92c125c650048f9c50Adam Powell final int numActions = mPendingActions.size(); 2681990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActions; i++) { 2682418738949305a8a0e30eba92c125c650048f9c50Adam Powell didSomething |= mPendingActions.get(i).generateOps(records, isPop); 2683990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2684990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions.clear(); 2685990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mHost.getHandler().removeCallbacks(mExecCommit); 2686990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2687418738949305a8a0e30eba92c125c650048f9c50Adam Powell return didSomething; 2688e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2689e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2690e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell void doPendingDeferredStart() { 269179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 269298179e0c692f8812d961e2e1d8a7ef086ea234f5Ian Lake mHavePendingDeferredStart = false; 269398179e0c692f8812d961e2e1d8a7ef086ea234f5Ian Lake startPendingDeferredFragments(); 269479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 2695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 269679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 2697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 2698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 2699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 2700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 2701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 2706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 2708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 2710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2711dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2712d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy @SuppressWarnings("unused") 2713990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean popBackStackState(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop, 2714990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount String name, int id, int flags) { 2715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2718990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (name == null && id < 0 && (flags & POP_BACK_STACK_INCLUSIVE) == 0) { 2719990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int last = mBackStack.size() - 1; 2720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 2721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2723990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(last)); 2724990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 2727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 2728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 2729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 2730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 2731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 2734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 2737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 2742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 2745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 2747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 2750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 2751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 2753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 2759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2761990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = mBackStack.size() - 1; i > index; i--) { 2762990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(i)); 2763990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2768dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2769c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig retainNonConfig() { 277025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount setRetaining(mSavedNonConfig); 277125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount return mSavedNonConfig; 277225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 277325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 277425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount /** 277525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * Recurse the FragmentManagerNonConfig fragments and set the mRetaining to true. This 277625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * was previously done while saving the non-config state, but that has been moved to 277725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * {@link #saveNonConfig()} called from {@link #saveAllState()}. If mRetaining is set too 277825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * early, the fragment won't be destroyed when the FragmentManager is destroyed. 277925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount */ 278025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount private static void setRetaining(FragmentManagerNonConfig nonConfig) { 278125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (nonConfig == null) { 278225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount return; 278325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 278425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount List<Fragment> fragments = nonConfig.getFragments(); 278525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (fragments != null) { 278625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount for (Fragment fragment : fragments) { 278725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount fragment.mRetaining = true; 278825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 278925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 279025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount List<FragmentManagerNonConfig> children = nonConfig.getChildNonConfigs(); 279125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (children != null) { 279225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount for (FragmentManagerNonConfig child : children) { 279325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount setRetaining(child); 279425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 279525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 279625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 279725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 279825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount void saveNonConfig() { 2799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 2800c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell ArrayList<FragmentManagerNonConfig> childFragments = null; 280141516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake ArrayList<ViewModelStore> viewModelStores = null; 2802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 2803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 280490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2805c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f != null) { 2806c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mRetainInstance) { 2807c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (fragments == null) { 2808c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments = new ArrayList<Fragment>(); 2809c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2810c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments.add(f); 2811c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 2812c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 2813c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2814d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets FragmentManagerNonConfig child; 2815c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mChildFragmentManager != null) { 281625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount f.mChildFragmentManager.saveNonConfig(); 2817d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets child = f.mChildFragmentManager.mSavedNonConfig; 2818d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets } else { 2819d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets // f.mChildNonConfig may be not null, when the parent fragment is 2820d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets // in the backstack. 2821d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets child = f.mChildNonConfig; 2822d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets } 2823d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets 2824d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets if (childFragments == null && child != null) { 2825d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments = new ArrayList<>(mActive.size()); 2826d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets for (int j = 0; j < i; j++) { 2827d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments.add(null); 2828c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2829c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2830d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets 2831d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets if (childFragments != null) { 2832d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments.add(child); 2833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 283441516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake if (viewModelStores == null && f.mViewModelStore != null) { 283541516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStores = new ArrayList<>(mActive.size()); 283641516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake for (int j = 0; j < i; j++) { 283741516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStores.add(null); 283841516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake } 283941516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake } 284041516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake 284141516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake if (viewModelStores != null) { 284241516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStores.add(f.mViewModelStore); 284341516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake } 2844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 284741516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake if (fragments == null && childFragments == null && viewModelStores == null) { 284825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 284925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } else { 285041516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake mSavedNonConfig = new FragmentManagerNonConfig(fragments, childFragments, 285141516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStores); 2852c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2854dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 2856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 2857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 2858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 2860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 2861ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 2862ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 2863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 2865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 2866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 2867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 2868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2870dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 28715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 28725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 28735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 28745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 28755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 28765c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performSaveInstanceState(mStateBundle); 2878267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentSaveInstanceState(f, mStateBundle, false); 28795c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 28805c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 28815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 28825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 28845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 28855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 28865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 28885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 28895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 28905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 28925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 28935c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 289479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 2895f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 2896f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 2897f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 289879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 289979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 290079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 29015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 29025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 29035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 29045c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 2906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 2907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 2908990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 2909990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount endAnimatingAwayFragments(); 2910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 2911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 29129d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas mStateSaved = true; 291325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 2914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 2916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2918dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 2920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 2921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 2922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 2923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 292490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 29261b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 292713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 292813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + f 292913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + f.mIndex)); 29301b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 29311b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 2932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 2933dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 2935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 2936dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 29385c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 2939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 2941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 294213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 294313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: " + f 294413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has target not in fragment manager: " + f.mTarget)); 2945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 2947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 2948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 2950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 2951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 2952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 2953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 2954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 2955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 2960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2961dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 2963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 2964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2966dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 2968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 2969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2971dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 2973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 2974dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 2976ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount N = mAdded.size(); 2977ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (N > 0) { 2978ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount added = new int[N]; 2979ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < N; i++) { 2980ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount added[i] = mAdded.get(i).mIndex; 2981ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (added[i] < 0) { 2982ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount throwException(new IllegalStateException( 2983ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount "Failure saving state: active " + mAdded.get(i) 2984ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount + " has cleared index: " + added[i])); 2985ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount } 2986ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (DEBUG) { 2987ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Log.v(TAG, "saveAllState: adding fragment #" + i 2988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 2989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2992dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 2994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 2995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 2996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 2997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 2998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 2999d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy backStack[i] = new BackStackState(mBackStack.get(i)); 3000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 3001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 3002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3005dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 3007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 3008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 3009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 3010418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null) { 3011418738949305a8a0e30eba92c125c650048f9c50Adam Powell fms.mPrimaryNavActiveIndex = mPrimaryNav.mIndex; 3012418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 301390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fms.mNextFragmentIndex = mNextFragmentIndex; 301425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount saveNonConfig(); 3015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 3016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3017dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3018c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell void restoreAllState(Parcelable state, FragmentManagerNonConfig nonConfig) { 3019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 3020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 3021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 3022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 3023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 3024c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 3025c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<FragmentManagerNonConfig> childNonConfigs = null; 302641516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake List<ViewModelStore> viewModelStores = null; 3027c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 3028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 3029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 3030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 3031c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 3032c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfigs = nonConfig.getChildNonConfigs(); 303341516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStores = nonConfig.getViewModelStores(); 3034c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 3035c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 3036c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 3037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 303838083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount int index = 0; // index into fms.mActive 303938083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount while (index < fms.mActive.length && fms.mActive[index].mIndex != f.mIndex) { 304038083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount index++; 304138083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 304238083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount if (index == fms.mActive.length) { 304338083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount throwException(new IllegalStateException("Could not find active fragment " 304438083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount + "with index " + f.mIndex)); 304538083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 304638083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount FragmentState fs = fms.mActive[index]; 3047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 3048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 3049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 3050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 3051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 30522c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 3053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 3054d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy fs.mSavedFragmentState.setClassLoader(mHost.getContext().getClassLoader()); 3055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 3056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 30578e4a59b54e9225b77151805dd6b8867dcd8e60a4Craig Mautner f.mSavedFragmentState = fs.mSavedFragmentState; 3058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3061dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 3063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 306490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(fms.mActive.length); 3065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 3066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 3067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 3068c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig childNonConfig = null; 3069c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (childNonConfigs != null && i < childNonConfigs.size()) { 3070c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfig = childNonConfigs.get(i); 3071c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 307241516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake ViewModelStore viewModelStore = null; 307341516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake if (viewModelStores != null && i < viewModelStores.size()) { 307441516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStore = viewModelStores.get(i); 307541516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake } 307641516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake Fragment f = fs.instantiate(mHost, mContainer, mParent, childNonConfig, 307741516afc57ee5165d3a4e6c8a36f798d2cf6be4fIan Lake viewModelStore); 30783a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: active #" + i + ": " + f); 307990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 3080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 3081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 3082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 3083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 3084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3086dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 3088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 3089c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 3090c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 3091c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 3092c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 30932c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 309490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.mTarget = mActive.get(f.mTargetIndex); 309590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (f.mTarget == null) { 3096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 30972c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 3098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 3104ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount mAdded.clear(); 3105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 3106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 3107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 3108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 310913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 311013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i])); 3111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 31133a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: added #" + i + ": " + f); 31143a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(f)) { 31153a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Already added!"); 31163a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 311796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 311896221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(f); 311996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 3120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3122dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 3124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 3125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 3126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 3127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 31283a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) { 31293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn Log.v(TAG, "restoreAllState: back stack #" + i 3130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 31313a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn LogWriter logw = new LogWriter(TAG); 31323a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn PrintWriter pw = new PrintWriter(logw); 31333a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn bse.dump(" ", pw, false); 3134f83358389f0c4ea37a7e7d9e493857f99baf0440Chris Banes pw.close(); 31353a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 3136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 3137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 3138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 3139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 3142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 3143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3144418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3145418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (fms.mPrimaryNavActiveIndex >= 0) { 3146418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNav = mActive.get(fms.mPrimaryNavActiveIndex); 3147418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 314890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount this.mNextFragmentIndex = fms.mNextFragmentIndex; 314990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 315090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 315190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 315290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * To prevent list modification errors, mActive sets values to null instead of 315390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * removing them when the Fragment becomes inactive. This cleans up the list at the 315490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * end of executing the transactions. 315590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 315690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount private void burpActive() { 315790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive != null) { 315890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = mActive.size() - 1; i >= 0; i--) { 315990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive.valueAt(i) == null) { 316090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.delete(mActive.keyAt(i)); 316190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 316290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 316390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 3164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3165d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy 31668491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy public void attachController(FragmentHostCallback host, 31670adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer container, Fragment parent) { 3168d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) throw new IllegalStateException("Already attached"); 3169d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = host; 31700adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = container; 31710adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = parent; 3172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3173dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 317525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 3176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 31770d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = false; 3178ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount final int addedCount = mAdded.size(); 31790765353c002bfdf681c982565810aa4be3499dd0George Mount for (int i = 0; i < addedCount; i++) { 31800765353c002bfdf681c982565810aa4be3499dd0George Mount Fragment fragment = mAdded.get(i); 31810765353c002bfdf681c982565810aa4be3499dd0George Mount if (fragment != null) { 31820765353c002bfdf681c982565810aa4be3499dd0George Mount fragment.noteStateNotSaved(); 31830765353c002bfdf681c982565810aa4be3499dd0George Mount } 31840765353c002bfdf681c982565810aa4be3499dd0George Mount } 3185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3186dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 3188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 31890d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = false; 3190aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.CREATED); 3191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3192dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 3194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 31950d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = false; 3196aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.ACTIVITY_CREATED); 3197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3198dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 3200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 32010d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = false; 3202aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STARTED); 3203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3204dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 3206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 32070d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = false; 3208aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.RESUMED); 3209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3210dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 3212aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STARTED); 3213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3214dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 32160d429d5f5bb0d6197d5c7a24b5c0bb5bcd5db8cdIan Lake mStopped = true; 3217aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STOPPED); 3218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3219dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3220218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 3221aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.ACTIVITY_CREATED); 3222681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 3223681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 32240adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void dispatchDestroyView() { 3225aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.CREATED); 32260adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 32270adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 3228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 3229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 3230e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 3231aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.INITIALIZING); 3232d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = null; 32330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = null; 32340adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = null; 3235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 32365fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 3237aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount private void dispatchStateChange(int nextState) { 3238aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount try { 3239aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount mExecutingActions = true; 3240aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount moveToState(nextState, false); 3241aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } finally { 3242aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount mExecutingActions = false; 3243aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } 3244aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount execPendingActions(); 3245aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } 3246aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount 32475fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchMultiWindowModeChanged(boolean isInMultiWindowMode) { 32485fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 3249ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikas final Fragment f = mAdded.get(i); 32505fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 32515fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performMultiWindowModeChanged(isInMultiWindowMode); 32525fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32535fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32545fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32555fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 32565fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchPictureInPictureModeChanged(boolean isInPictureInPictureMode) { 32575fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 3258ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikas final Fragment f = mAdded.get(i); 32595fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 32605fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performPictureInPictureModeChanged(isInPictureInPictureMode); 32615fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32625fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32635fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32645fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 3265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 3266ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3267ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3268ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3269ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount f.performConfigurationChanged(newConfig); 3270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 3275ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3276ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3277ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3278ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount f.performLowMemory(); 3279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 32845b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount if (mCurState < Fragment.CREATED) { 32855b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount return false; 32865b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount } 3287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 3289ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3290ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3291ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3292ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f.performCreateOptionsMenu(menu, inflater)) { 3293ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount show = true; 3294ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (newMenus == null) { 3295ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount newMenus = new ArrayList<Fragment>(); 3296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3297ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount newMenus.add(f); 3298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3301c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 3303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 3304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 3305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 3306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 3307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3310c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 3312c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3315dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 33175b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount if (mCurState < Fragment.CREATED) { 33185b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount return false; 33195b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount } 3320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3321ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3322ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3323ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3324ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f.performPrepareOptionsMenu(menu)) { 3325ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount show = true; 3326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3331dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 33335b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount if (mCurState < Fragment.CREATED) { 33345b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount return false; 33355b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount } 3336ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3337ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3338ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3339ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f.performOptionsItemSelected(item)) { 3340ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount return true; 3341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3346dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 33485b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount if (mCurState < Fragment.CREATED) { 33495b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount return false; 33505b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount } 3351ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3352ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3353ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3354ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f.performContextItemSelected(item)) { 3355ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount return true; 3356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3361dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 33635b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount if (mCurState < Fragment.CREATED) { 33645b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount return; 33655b9fbc316b9c49c57ffbdcdcef1ee83171fd189aGeorge Mount } 3366ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount for (int i = 0; i < mAdded.size(); i++) { 3367ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount Fragment f = mAdded.get(i); 3368ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount if (f != null) { 3369ca32d4043899ec48d5807f24c2f1a513c8b3824eGeorge Mount f.performOptionsMenuClosed(menu); 3370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3373461b48b4588ac21b97aa40553f04222c2c0344e7Chris Banes 3374b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas @SuppressWarnings("ReferenceEquality") 3375418738949305a8a0e30eba92c125c650048f9c50Adam Powell public void setPrimaryNavigationFragment(Fragment f) { 337696767975440de77e44a231e6ef66b374b1403bd0George Mount if (f != null && (mActive.get(f.mIndex) != f 337796767975440de77e44a231e6ef66b374b1403bd0George Mount || (f.mHost != null && f.getFragmentManager() != this))) { 3378418738949305a8a0e30eba92c125c650048f9c50Adam Powell throw new IllegalArgumentException("Fragment " + f 3379418738949305a8a0e30eba92c125c650048f9c50Adam Powell + " is not an active fragment of FragmentManager " + this); 3380418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3381418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNav = f; 3382418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3383418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3384e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3385418738949305a8a0e30eba92c125c650048f9c50Adam Powell public Fragment getPrimaryNavigationFragment() { 3386418738949305a8a0e30eba92c125c650048f9c50Adam Powell return mPrimaryNav; 3387418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3388418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3389e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 3391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive) { 3392abc73958d264e1eed7fd401a18be1d9ede8304ebAurimas Liutikas mLifecycleCallbacks.add(new Pair<>(cb, recursive)); 3393267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3395e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3396267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb) { 3397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell synchronized (mLifecycleCallbacks) { 3398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (int i = 0, N = mLifecycleCallbacks.size(); i < N; i++) { 3399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks.get(i).first == cb) { 3400267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks.remove(i); 3401267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell break; 3402267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3403267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3404267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3405267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3406267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3407267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPreAttached(Fragment f, Context context, boolean onlyRecursive) { 3408267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3409267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3410267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3411267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3412267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPreAttached(f, context, true); 3413267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3414267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3415267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3416267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3417267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPreAttached(this, f, context); 3418267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3419267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3420267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3421267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3422267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentAttached(Fragment f, Context context, boolean onlyRecursive) { 3423267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3424267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3425267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3426267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3427267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentAttached(f, context, true); 3428267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3429267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3431267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3432267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentAttached(this, f, context); 3433267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3434267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3435267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3436267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 34371d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell void dispatchOnFragmentPreCreated(Fragment f, Bundle savedInstanceState, 34381d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell boolean onlyRecursive) { 34391d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (mParent != null) { 34401d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell FragmentManager parentManager = mParent.getFragmentManager(); 34411d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (parentManager instanceof FragmentManagerImpl) { 34421d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell ((FragmentManagerImpl) parentManager) 34431d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell .dispatchOnFragmentPreCreated(f, savedInstanceState, true); 34441d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34451d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34461d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 34471d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (!onlyRecursive || p.second) { 34481d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell p.first.onFragmentPreCreated(this, f, savedInstanceState); 34491d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34501d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34511d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34521d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell 3453267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentCreated(Fragment f, Bundle savedInstanceState, boolean onlyRecursive) { 3454267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3455267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3456267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3457267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3458267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentCreated(f, savedInstanceState, true); 3459267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3460267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3461267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3462267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3463267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentCreated(this, f, savedInstanceState); 3464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3465267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3466267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3467267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3468267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentActivityCreated(Fragment f, Bundle savedInstanceState, 3469267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3470267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3471267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3472267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3473267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3474267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentActivityCreated(f, savedInstanceState, true); 3475267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3476267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3477267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3478267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3479267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentActivityCreated(this, f, savedInstanceState); 3480267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3481267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3482267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3483267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3484267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewCreated(Fragment f, View v, Bundle savedInstanceState, 3485267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3486267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3487267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3488267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3490267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewCreated(f, v, savedInstanceState, true); 3491267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3492267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3493267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3494267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3495267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewCreated(this, f, v, savedInstanceState); 3496267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3497267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3498267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3499267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3500267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStarted(Fragment f, boolean onlyRecursive) { 3501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3503267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3504267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3505267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStarted(f, true); 3506267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3508267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3510267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStarted(this, f); 3511267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3512267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3513267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3514267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3515267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentResumed(Fragment f, boolean onlyRecursive) { 3516267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3517267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3518267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3519267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3520267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentResumed(f, true); 3521267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3522267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3523267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3524267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3525267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentResumed(this, f); 3526267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3527267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3528267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3529267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3530267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPaused(Fragment f, boolean onlyRecursive) { 3531267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3532267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3533267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3534267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3535267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPaused(f, true); 3536267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3537267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3538267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3539267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3540267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPaused(this, f); 3541267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3542267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3543267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3544267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3545267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStopped(Fragment f, boolean onlyRecursive) { 3546267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3547267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3548267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3549267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3550267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStopped(f, true); 3551267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3552267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3553267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3554267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3555267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStopped(this, f); 3556267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3557267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3558267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3559267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3560267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentSaveInstanceState(Fragment f, Bundle outState, boolean onlyRecursive) { 3561267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3562267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3563267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3564267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3565267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentSaveInstanceState(f, outState, true); 3566267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3567267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3568267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3569267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3570267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentSaveInstanceState(this, f, outState); 3571267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3572267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3573267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3574267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3575267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewDestroyed(Fragment f, boolean onlyRecursive) { 3576267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3577267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3578267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3579267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3580267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewDestroyed(f, true); 3581267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3582267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3583267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3584267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3585267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewDestroyed(this, f); 3586267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3587267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3588267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3589267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3590267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDestroyed(Fragment f, boolean onlyRecursive) { 3591267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3592267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3593267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3594267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3595267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDestroyed(f, true); 3596267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3597267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3598267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3599267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3600267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDestroyed(this, f); 3601267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3602267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3603267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3604267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3605267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDetached(Fragment f, boolean onlyRecursive) { 3606267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3607267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3608267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3609267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3610267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDetached(f, true); 3611267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3612267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3613267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3614267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3615267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDetached(this, f); 3616267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3617267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3618267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3619267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 3621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 3622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 3624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 3625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 3627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 3628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 3630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 3631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 3634dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3636dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 36379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 36389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 36399277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 36409277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 36419277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 36429277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 3643dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 3645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 3646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 36489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 3649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 36519277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 3652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 36549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 3655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 3658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 36590f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 36600f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell @Override 3661bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banes public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { 36620f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!"fragment".equals(name)) { 36630f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 36640f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36650f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 36660f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String fname = attrs.getAttributeValue(null, "class"); 36670f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell TypedArray a = context.obtainStyledAttributes(attrs, FragmentTag.Fragment); 36680f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fname == null) { 36690f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fname = a.getString(FragmentTag.Fragment_name); 36700f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36710f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID); 36720f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String tag = a.getString(FragmentTag.Fragment_tag); 36730f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell a.recycle(); 36740f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 3675d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (!Fragment.isSupportFragmentClass(mHost.getContext(), fname)) { 36760f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // Invalid support lib fragment; let the device's framework handle it. 36770f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This will allow android.app.Fragments to do the right thing. 36780f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 36790f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36800f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 36810f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int containerId = parent != null ? parent.getId() : 0; 36820f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (containerId == View.NO_ID && id == View.NO_ID && tag == null) { 36830f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 36840f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Must specify unique android:id, android:tag, or have a parent with an id for " + fname); 36850f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36860f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 36870f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we restored from a previous state, we may already have 36880f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // instantiated this fragment from the state and should use 36890f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // that instance instead of making a new one. 36900f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell Fragment fragment = id != View.NO_ID ? findFragmentById(id) : null; 36910f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && tag != null) { 36920f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentByTag(tag); 36930f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36940f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && containerId != View.NO_ID) { 36950f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentById(containerId); 36960f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 36970f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 36980f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (FragmentManagerImpl.DEBUG) Log.v(TAG, "onCreateView: id=0x" 36990f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + Integer.toHexString(id) + " fname=" + fname 37000f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " existing=" + fragment); 37010f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null) { 37024aebb5be19bbf9314e7474dd62df8dd915313436Adam Powell fragment = mContainer.instantiate(context, fname, null); 37030f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFromLayout = true; 37040f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentId = id != 0 ? id : containerId; 37050f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mContainerId = containerId; 37060f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mTag = tag; 37070f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 37080f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentManager = this; 37091b84066e4233b4b0c8a32fffc30f95b8cd20ced4Chris Banes fragment.mHost = mHost; 3710b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 37110f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell addFragment(fragment, true); 37120f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37130f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else if (fragment.mInLayout) { 37140f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // A fragment already exists and it is not one we restored from 37150f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // previous state. 37160f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 37170f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Duplicate id 0x" + Integer.toHexString(id) 37180f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId) 37190f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " with another fragment for " + fname); 37200f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 37210f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This fragment was retained from a previous instance; get it 37220f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // going now. 37230f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 3724e4148d65bbd62585c68c5782c2081bab6b303568Todd Kennedy fragment.mHost = mHost; 37250f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If this fragment is newly instantiated (either right now, or 37260f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // from last saved state), then give it the attributes to 37270f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // initialize itself. 37280f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!fragment.mRetaining) { 3729b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 37300f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37310f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37320f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37330f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we haven't finished entering the CREATED state ourselves yet, 373437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // push the inflated child fragment along. This will ensureInflatedFragmentView 373537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // at the right phase of the lifecycle so that we will have mView populated 373637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // for compliant fragments below. 37370f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (mCurState < Fragment.CREATED && fragment.mFromLayout) { 37380f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment, Fragment.CREATED, 0, 0, false); 37390f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 37400f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment); 37410f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37420f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37430f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView == null) { 37440f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalStateException("Fragment " + fname 37450f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " did not create a view."); 37460f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37470f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (id != 0) { 37480f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setId(id); 37490f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37500f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView.getTag() == null) { 37510f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setTag(tag); 37520f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37530f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return fragment.mView; 37540f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37550f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37564bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas @Override 37574bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas public View onCreateView(String name, Context context, AttributeSet attrs) { 37584bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas return onCreateView(null, name, context, attrs); 37594bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas } 37604bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas 37614bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas LayoutInflater.Factory2 getLayoutInflaterFactory() { 37620f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return this; 37630f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37640f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37650f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell static class FragmentTag { 37660f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int[] Fragment = { 37670f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 0x01010003, 0x010100d0, 0x010100d1 37680f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell }; 37690f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_id = 1; 37700f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_name = 0; 37710f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_tag = 2; 37720f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 3773990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3774990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3775990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * An add or pop transaction to be scheduled for the UI thread. 3776990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3777990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount interface OpGenerator { 3778990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3779990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Generate transactions to add to {@code records} and whether or not the transaction is 3780990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an add or pop to {@code isRecordPop}. 3781990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3782990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * records and isRecordPop must be added equally so that each transaction in records 3783990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * matches the boolean for whether or not it is a pop in isRecordPop. 3784990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3785990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list to add transactions to. 3786990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop A list to add whether or not the transactions added to records is 3787990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a pop transaction. 3788990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if something was added or false otherwise. 3789990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3790990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean generateOps(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop); 3791990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3792990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3793990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3794990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A pop operation OpGenerator. This will be run on the UI thread and will generate the 3795990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions that will be popped if anything can be popped. 3796990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3797990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private class PopBackStackState implements OpGenerator { 3798990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final String mName; 3799990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mId; 3800990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mFlags; 3801990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3802990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount PopBackStackState(String name, int id, int flags) { 3803990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mName = name; 3804990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mId = id; 3805990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mFlags = flags; 3806990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3807990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3808990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3809990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean generateOps(ArrayList<BackStackRecord> records, 3810990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 3811418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null // We have a primary nav fragment 3812418738949305a8a0e30eba92c125c650048f9c50Adam Powell && mId < 0 // No valid id (since they're local) 3813418738949305a8a0e30eba92c125c650048f9c50Adam Powell && mName == null) { // no name to pop to (since they're local) 3814418738949305a8a0e30eba92c125c650048f9c50Adam Powell final FragmentManager childManager = mPrimaryNav.peekChildFragmentManager(); 3815418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (childManager != null && childManager.popBackStackImmediate()) { 3816418738949305a8a0e30eba92c125c650048f9c50Adam Powell // We didn't add any operations for this FragmentManager even though 3817418738949305a8a0e30eba92c125c650048f9c50Adam Powell // a child did do work. 3818418738949305a8a0e30eba92c125c650048f9c50Adam Powell return false; 3819418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3820418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3821990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackState(records, isRecordPop, mName, mId, mFlags); 3822990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3823990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3824990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3825990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3826990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A listener for a postponed transaction. This waits until 3827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} is called or a transaction is started 3828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * that interacts with this one, based on interactions with the fragment container. 3829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3830990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount static class StartEnterTransitionListener 3831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount implements Fragment.OnStartEnterTransitionListener { 3832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final boolean mIsBack; 3833990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final BackStackRecord mRecord; 3834990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int mNumPostponed; 3835990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3836990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener(BackStackRecord record, boolean isBack) { 3837990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mIsBack = isBack; 3838990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord = record; 3839990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3840990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3841990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3842990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment#startPostponedEnterTransition()}, this decreases the 3843990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * number of Fragments that are postponed. This may cause the transaction to schedule 3844990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * to finish running and run transitions and animations. 3845990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3846990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3847990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void onStartEnterTransition() { 3848990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed--; 3849990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mNumPostponed != 0) { 3850990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 3851990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3852990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.scheduleCommit(); 3853990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3854990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3855990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3856990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment# 3857990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * setOnStartEnterTransitionListener(Fragment.OnStartEnterTransitionListener)}, this 3858990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * increases the number of fragments that are postponed as part of this transaction. 3859990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3860990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3861990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void startListening() { 3862990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed++; 3863990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3864990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3865990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3866990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if there are no more postponed fragments as part of the transaction. 3867990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3868990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean isReady() { 3869990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return mNumPostponed == 0; 3870990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3871990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3872990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3873990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Completes the transaction and start the animations and transitions. This may skip 3874990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the transitions if this is called before all fragments have called 3875990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()}. 3876990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3877990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void completeTransaction() { 3878990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean canceled; 3879990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount canceled = mNumPostponed > 0; 3880990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentManagerImpl manager = mRecord.mManager; 3881990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = manager.mAdded.size(); 3882990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 3883990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final Fragment fragment = manager.mAdded.get(i); 3884990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.setOnStartEnterTransitionListener(null); 3885990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (canceled && fragment.isPostponed()) { 3886990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.startPostponedEnterTransition(); 3887990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3888990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3889990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, !canceled, true); 3890990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3891990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3892990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3893990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Cancels this transaction instead of completing it. That means that the state isn't 3894990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * changed, so the pop results in no change to the state. 3895990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3896990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void cancelTransaction() { 3897990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, false, false); 3898990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3899990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 390015e593ea3575512d7072240d1db9d74fad8749a3George Mount 390115e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 390215e593ea3575512d7072240d1db9d74fad8749a3George Mount * Contains either an animator or animation. One of these should be null. 390315e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 390415e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimationOrAnimator { 390515e593ea3575512d7072240d1db9d74fad8749a3George Mount public final Animation animation; 390615e593ea3575512d7072240d1db9d74fad8749a3George Mount public final Animator animator; 390715e593ea3575512d7072240d1db9d74fad8749a3George Mount 390815e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationOrAnimator(Animation animation) { 390915e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animation = animation; 391015e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animator = null; 391115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation == null) { 391215e593ea3575512d7072240d1db9d74fad8749a3George Mount throw new IllegalStateException("Animation cannot be null"); 391315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 391415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 391515e593ea3575512d7072240d1db9d74fad8749a3George Mount 391615e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationOrAnimator(Animator animator) { 391715e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animation = null; 391815e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animator = animator; 391915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator == null) { 392015e593ea3575512d7072240d1db9d74fad8749a3George Mount throw new IllegalStateException("Animator cannot be null"); 392115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 392215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 392315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 392415e593ea3575512d7072240d1db9d74fad8749a3George Mount 392515e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 392615e593ea3575512d7072240d1db9d74fad8749a3George Mount * Wrap an AnimationListener that can be null. This allows us to chain animation listeners. 392715e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 392815e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimationListenerWrapper implements AnimationListener { 392915e593ea3575512d7072240d1db9d74fad8749a3George Mount private final AnimationListener mWrapped; 393015e593ea3575512d7072240d1db9d74fad8749a3George Mount 393115e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationListenerWrapper(AnimationListener wrapped) { 393215e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped = wrapped; 393315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 393415e593ea3575512d7072240d1db9d74fad8749a3George Mount 393515e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 393615e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 393715e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationStart(Animation animation) { 393815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 393915e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationStart(animation); 394015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 394115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 394215e593ea3575512d7072240d1db9d74fad8749a3George Mount 394315e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 394415e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 394515e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 394615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 394715e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationEnd(animation); 394815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 394915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 395015e593ea3575512d7072240d1db9d74fad8749a3George Mount 395115e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 395215e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 395315e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationRepeat(Animation animation) { 395415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 395515e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationRepeat(animation); 395615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 395715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 395815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 395915e593ea3575512d7072240d1db9d74fad8749a3George Mount 396015e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 396115e593ea3575512d7072240d1db9d74fad8749a3George Mount * Reset the layer type to LAYER_TYPE_NONE at the end of an animation. 396215e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 396315e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimateOnHWLayerIfNeededListener extends AnimationListenerWrapper { 396415e593ea3575512d7072240d1db9d74fad8749a3George Mount View mView; 396515e593ea3575512d7072240d1db9d74fad8749a3George Mount 396615e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimateOnHWLayerIfNeededListener(final View v, AnimationListener listener) { 396715e593ea3575512d7072240d1db9d74fad8749a3George Mount super(listener); 396815e593ea3575512d7072240d1db9d74fad8749a3George Mount mView = v; 396915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 397015e593ea3575512d7072240d1db9d74fad8749a3George Mount 397115e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 397215e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 397315e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 397415e593ea3575512d7072240d1db9d74fad8749a3George Mount // If we're attached to a window, assume we're in the normal performTraversals 397515e593ea3575512d7072240d1db9d74fad8749a3George Mount // drawing path for Animations running. It's not safe to change the layer type 397615e593ea3575512d7072240d1db9d74fad8749a3George Mount // during drawing, so post it to the View to run later. If we're not attached 397715e593ea3575512d7072240d1db9d74fad8749a3George Mount // or we're running on N and above, post it to the view. If we're not on N and 397815e593ea3575512d7072240d1db9d74fad8749a3George Mount // not attached, do it right now since existing platform versions don't run the 397915e593ea3575512d7072240d1db9d74fad8749a3George Mount // hwui renderer for detached views off the UI thread making changing layer type 398015e593ea3575512d7072240d1db9d74fad8749a3George Mount // safe, but posting may not be. 398115e593ea3575512d7072240d1db9d74fad8749a3George Mount // Prior to N posting to a detached view from a non-Looper thread could cause 398215e593ea3575512d7072240d1db9d74fad8749a3George Mount // leaks, since the thread-local run queue on a non-Looper thread would never 398315e593ea3575512d7072240d1db9d74fad8749a3George Mount // be flushed. 398415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (ViewCompat.isAttachedToWindow(mView) || Build.VERSION.SDK_INT >= 24) { 398515e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.post(new Runnable() { 398615e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 398715e593ea3575512d7072240d1db9d74fad8749a3George Mount public void run() { 398815e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 398915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399015e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 399115e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 399215e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 399315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399415e593ea3575512d7072240d1db9d74fad8749a3George Mount super.onAnimationEnd(animation); 399515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399715e593ea3575512d7072240d1db9d74fad8749a3George Mount 399815e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 399915e593ea3575512d7072240d1db9d74fad8749a3George Mount * Set the layer type to LAYER_TYPE_HARDWARE while an animator is running. 400015e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 400115e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimatorOnHWLayerIfNeededListener extends AnimatorListenerAdapter { 400215e593ea3575512d7072240d1db9d74fad8749a3George Mount View mView; 400315e593ea3575512d7072240d1db9d74fad8749a3George Mount 400415e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimatorOnHWLayerIfNeededListener(final View v) { 400515e593ea3575512d7072240d1db9d74fad8749a3George Mount mView = v; 400615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 400715e593ea3575512d7072240d1db9d74fad8749a3George Mount 400815e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 400915e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationStart(Animator animation) { 401015e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_HARDWARE, null); 401115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 401215e593ea3575512d7072240d1db9d74fad8749a3George Mount 401315e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 401415e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator animation) { 401515e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 401615e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.removeListener(this); 401715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 401815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 4019e62545fdf58881a2d0426285648f71ce9323ca15George Mount 4020e62545fdf58881a2d0426285648f71ce9323ca15George Mount /** 4021e62545fdf58881a2d0426285648f71ce9323ca15George Mount * We must call endViewTransition() before the animation ends or else the parent doesn't 4022e62545fdf58881a2d0426285648f71ce9323ca15George Mount * get nulled out. We use both startViewTransition() and startAnimation() to solve a problem 4023e62545fdf58881a2d0426285648f71ce9323ca15George Mount * with Views remaining in the hierarchy as disappearing children after the view has been 4024e62545fdf58881a2d0426285648f71ce9323ca15George Mount * removed in some edge cases. 4025e62545fdf58881a2d0426285648f71ce9323ca15George Mount */ 4026e62545fdf58881a2d0426285648f71ce9323ca15George Mount private static class EndViewTransitionAnimator extends AnimationSet implements Runnable { 4027e62545fdf58881a2d0426285648f71ce9323ca15George Mount private final ViewGroup mParent; 4028e62545fdf58881a2d0426285648f71ce9323ca15George Mount private final View mChild; 4029e62545fdf58881a2d0426285648f71ce9323ca15George Mount private boolean mEnded; 4030e62545fdf58881a2d0426285648f71ce9323ca15George Mount private boolean mTransitionEnded; 4031e62545fdf58881a2d0426285648f71ce9323ca15George Mount 4032e62545fdf58881a2d0426285648f71ce9323ca15George Mount EndViewTransitionAnimator(@NonNull Animation animation, 4033e62545fdf58881a2d0426285648f71ce9323ca15George Mount @NonNull ViewGroup parent, @NonNull View child) { 4034e62545fdf58881a2d0426285648f71ce9323ca15George Mount super(false); 4035e62545fdf58881a2d0426285648f71ce9323ca15George Mount mParent = parent; 4036e62545fdf58881a2d0426285648f71ce9323ca15George Mount mChild = child; 4037e62545fdf58881a2d0426285648f71ce9323ca15George Mount addAnimation(animation); 4038e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4039e62545fdf58881a2d0426285648f71ce9323ca15George Mount 4040e62545fdf58881a2d0426285648f71ce9323ca15George Mount @Override 4041e62545fdf58881a2d0426285648f71ce9323ca15George Mount public boolean getTransformation(long currentTime, Transformation t) { 4042e62545fdf58881a2d0426285648f71ce9323ca15George Mount if (mEnded) { 4043e62545fdf58881a2d0426285648f71ce9323ca15George Mount return !mTransitionEnded; 4044e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4045e62545fdf58881a2d0426285648f71ce9323ca15George Mount boolean more = super.getTransformation(currentTime, t); 4046e62545fdf58881a2d0426285648f71ce9323ca15George Mount if (!more) { 4047e62545fdf58881a2d0426285648f71ce9323ca15George Mount mEnded = true; 4048d5ba674b175fc0d8a03af60d3c241fc19c623656George Mount OneShotPreDrawListener.add(mParent, this); 4049e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4050e62545fdf58881a2d0426285648f71ce9323ca15George Mount return true; 4051e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4052e62545fdf58881a2d0426285648f71ce9323ca15George Mount 4053e62545fdf58881a2d0426285648f71ce9323ca15George Mount @Override 4054e62545fdf58881a2d0426285648f71ce9323ca15George Mount public boolean getTransformation(long currentTime, Transformation outTransformation, 4055e62545fdf58881a2d0426285648f71ce9323ca15George Mount float scale) { 4056e62545fdf58881a2d0426285648f71ce9323ca15George Mount if (mEnded) { 4057e62545fdf58881a2d0426285648f71ce9323ca15George Mount return !mTransitionEnded; 4058e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4059e62545fdf58881a2d0426285648f71ce9323ca15George Mount boolean more = super.getTransformation(currentTime, outTransformation, scale); 4060e62545fdf58881a2d0426285648f71ce9323ca15George Mount if (!more) { 4061e62545fdf58881a2d0426285648f71ce9323ca15George Mount mEnded = true; 4062d5ba674b175fc0d8a03af60d3c241fc19c623656George Mount OneShotPreDrawListener.add(mParent, this); 4063e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4064e62545fdf58881a2d0426285648f71ce9323ca15George Mount return true; 4065e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4066e62545fdf58881a2d0426285648f71ce9323ca15George Mount 4067e62545fdf58881a2d0426285648f71ce9323ca15George Mount @Override 4068e62545fdf58881a2d0426285648f71ce9323ca15George Mount public void run() { 4069e62545fdf58881a2d0426285648f71ce9323ca15George Mount mParent.endViewTransition(mChild); 4070e62545fdf58881a2d0426285648f71ce9323ca15George Mount mTransitionEnded = true; 4071e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4072e62545fdf58881a2d0426285648f71ce9323ca15George Mount } 4073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 4074