FragmentManager.java revision d15baded7e3e904ef00ccda50449c2adf8374f11
1cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/* 2cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Copyright (C) 2011 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 17cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpackage android.support.v4.app; 18cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 198e10080c914d1ad0784394fa3026b85535535847Aurimas Liutikasimport static android.support.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; 279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 2936bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powellimport android.content.res.Resources.NotFoundException; 300f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.content.res.TypedArray; 315e63ab9505a3a4d11374cbbec418c1aba921409dChris Banesimport android.os.Build; 32cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 33cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 34cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 35cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 3603526560f132021f8fd7290259762ab362d4d567Doris Liuimport android.support.annotation.CallSuper; 37a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbyeimport android.support.annotation.IdRes; 3815e593ea3575512d7072240d1db9d74fad8749a3George Mountimport android.support.annotation.NonNull; 39c39d9c75590eca86a5e7e32a8824ba04a0d42e9bAlan Viveretteimport android.support.annotation.RestrictTo; 40a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbyeimport android.support.annotation.StringRes; 410bb3f19c91311de0b6619c7728a7bcc1f6863132George Mountimport android.support.v4.util.ArraySet; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 44267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport android.support.v4.util.Pair; 455e63ab9505a3a4d11374cbbec418c1aba921409dChris Banesimport android.support.v4.view.ViewCompat; 460f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.util.AttributeSet; 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 49267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport android.view.LayoutInflater; 50990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.Menu; 51990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuInflater; 52990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuItem; 53990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.View; 54990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.ViewGroup; 559277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 57cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 58990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.animation.Animation.AnimationListener; 599277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 619277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 629277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 639277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 67d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liuimport java.lang.reflect.Field; 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 7096221034e4a23a2abb83f772a0281bb197ac5ac0George Mountimport java.util.Collections; 713a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brownimport java.util.List; 72267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport java.util.concurrent.CopyOnWriteArrayList; 73267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 789dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * to switch to the framework's implementation. See the framework {@link FragmentManager} 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 809dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * 819dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * <p>Your activity must derive from {@link FragmentActivity} to use this. From such an activity, 829dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * you can acquire the {@link FragmentManager} by calling 839dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * {@link FragmentActivity#getSupportFragmentManager}. 84cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 85cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 86cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 87cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 91fd28b81e0501d11989a8ad095c1a54619000df19Aurimas Liutikas * FragmentManager.getBackStackEntryAt()}. 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1062a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 1072a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 1082a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 1092a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 1102a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 1112a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 1122a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 116a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 123a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 152dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 164d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette /** 165d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @hide -- remove once prebuilts are in. 166d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @deprecated 167d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette */ 1688e10080c914d1ad0784394fa3026b85535535847Aurimas Liutikas @RestrictTo(LIBRARY_GROUP) 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 173dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1831500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * <p>If you are committing a single transaction that does not modify the 1841500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * fragment back stack, strongly consider using 1851500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * {@link FragmentTransaction#commitNow()} instead. This can help avoid 1861500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * unwanted side effects when other code in your app has pending committed 1871500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * transactions that expect different timing.</p> 188990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 189990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This also forces the start of any postponed Transactions where 190990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#postponeEnterTransition()} has been called. 1911500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 205a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye public abstract Fragment findFragmentById(@IdRes int id); 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 238990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 249dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 261990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 271dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 285990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 3361af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * Get a list of all fragments that are currently added to the FragmentManager. 33796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This may include those that are hidden as well as those that are shown. 33896221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This will not include any fragments only in the back stack, or fragments that 33996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * are detached or removed. 3401af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * <p> 3411af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * The order of the fragments in the list is the order in which they were 3421af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * added or attached. 3433a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * 3441af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount * @return A list of all fragments that are added to the FragmentManager. 3453a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown */ 3461af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount public abstract List<Fragment> getFragments(); 3473a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 3483a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown /** 3495c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 3505c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 3515c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 3525c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 3535c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3685c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3695c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 37301df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * Returns true if the final {@link android.app.Activity#onDestroy() Activity.onDestroy()} 37401df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * call has been made on the FragmentManager's Activity, so this instance is now dead. 37501df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler */ 37601df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public abstract boolean isDestroyed(); 37701df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 37801df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler /** 379267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Registers a {@link FragmentLifecycleCallbacks} to listen to fragment lifecycle events 380267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * happening in this FragmentManager. All registered callbacks will be automatically 381267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * unregistered when this FragmentManager is destroyed. 382267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 383267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to register 384267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param recursive true to automatically register this callback for all child FragmentManagers 385267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 386267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 387267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive); 388267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 389267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Unregisters a previously registered {@link FragmentLifecycleCallbacks}. If the callback 391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * was not previously registered this call has no effect. All registered callbacks will be 392267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * automatically unregistered when this FragmentManager is destroyed. 393267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to unregister 395267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 396267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb); 397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 399418738949305a8a0e30eba92c125c650048f9c50Adam Powell * Return the currently active primary navigation fragment for this FragmentManager. 4001d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * The primary navigation fragment is set by fragment transactions using 4011d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * {@link FragmentTransaction#setPrimaryNavigationFragment(Fragment)}. 402418738949305a8a0e30eba92c125c650048f9c50Adam Powell * 403418738949305a8a0e30eba92c125c650048f9c50Adam Powell * <p>The primary navigation fragment's 404418738949305a8a0e30eba92c125c650048f9c50Adam Powell * {@link Fragment#getChildFragmentManager() child FragmentManager} will be called first 405418738949305a8a0e30eba92c125c650048f9c50Adam Powell * to process delegated navigation actions such as {@link #popBackStack()} if no ID 406418738949305a8a0e30eba92c125c650048f9c50Adam Powell * or transaction name is provided to pop to.</p> 407418738949305a8a0e30eba92c125c650048f9c50Adam Powell * 408418738949305a8a0e30eba92c125c650048f9c50Adam Powell * @return the fragment designated as the primary navigation fragment 409418738949305a8a0e30eba92c125c650048f9c50Adam Powell */ 410418738949305a8a0e30eba92c125c650048f9c50Adam Powell public abstract Fragment getPrimaryNavigationFragment(); 411418738949305a8a0e30eba92c125c650048f9c50Adam Powell 412418738949305a8a0e30eba92c125c650048f9c50Adam Powell /** 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 431267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 43247844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * Returns {@code true} if the FragmentManager's state has already been saved 43347844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * by its host. Any operations that would change saved state should not be performed 43447844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * if this method returns true. For example, any popBackStack() method, such as 43547844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link #popBackStackImmediate()} or any FragmentTransaction using 43647844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link FragmentTransaction#commit()} instead of 43747844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * {@link FragmentTransaction#commitAllowingStateLoss()} will change 43847844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * the state and will result in an error. 43947844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * 44047844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount * @return true if this FragmentManager's state has already been saved by its host 44147844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount */ 44247844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount public abstract boolean isStateSaved(); 44347844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount 44447844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount /** 445267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Callback interface for listening to fragment state changes that happen 446267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * within a given FragmentManager. 447267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 4481b5b6c012765919f50bfb64dcf494a2d8cfcfbb1Adam Powell public abstract static class FragmentLifecycleCallbacks { 449267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 450267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called right before the fragment's {@link Fragment#onAttach(Context)} method is called. 4511d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * This is a good time to inject any required dependencies or perform other configuration 4521d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * for the fragment before any of the fragment's lifecycle methods are invoked. 453267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 454267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 455267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 456267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment is being attached to 457267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 458267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPreAttached(FragmentManager fm, Fragment f, Context context) {} 459267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 460267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 461267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has been attached to its host. Its host will have had 462267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * <code>onAttachFragment</code> called before this call happens. 463267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 465267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 466267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment was attached to 467267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 468267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentAttached(FragmentManager fm, Fragment f, Context context) {} 469267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 470267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 4711d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * Called right before the fragment's {@link Fragment#onCreate(Bundle)} method is called. 4721d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * This is a good time to inject any required dependencies or perform other configuration 4731d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * for the fragment. 4741d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * 4751d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param fm Host FragmentManager 4761d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param f Fragment changing state 4771d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell * @param savedInstanceState Saved instance bundle from a previous instance 4781d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell */ 4791d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell public void onFragmentPreCreated(FragmentManager fm, Fragment f, 4801d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell Bundle savedInstanceState) {} 4811d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell 4821d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell /** 483267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 484267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onCreate(Bundle)}. This will only happen once for any given 485267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 486267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 487267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 488267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 490267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 491267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentCreated(FragmentManager fm, Fragment f, Bundle savedInstanceState) {} 492267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 493267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 494267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 495267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onActivityCreated(Bundle)}. This will only happen once for any given 496267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 497267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 498267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 499267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 500267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentActivityCreated(FragmentManager fm, Fragment f, 503267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 504267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 505267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 506267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned a non-null view from the FragmentManager's 507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * request to {@link Fragment#onCreateView(LayoutInflater, ViewGroup, Bundle)}. 508267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 510267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment that created and owns the view 511267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param v View returned by the fragment 512267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 513267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 514267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewCreated(FragmentManager fm, Fragment f, View v, 515267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 516267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 517267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 518267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 519267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStart()}. 520267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 521267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 522267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 523267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 524267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStarted(FragmentManager fm, Fragment f) {} 525267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 526267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 527267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 528267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onResume()}. 529267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 530267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 531267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 532267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 533267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentResumed(FragmentManager fm, Fragment f) {} 534267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 535267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 536267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 537267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onPause()}. 538267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 539267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 540267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 541267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 542267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPaused(FragmentManager fm, Fragment f) {} 543267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 544267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 545267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 546267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStop()}. 547267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 548267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 549267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 550267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 551267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStopped(FragmentManager fm, Fragment f) {} 552267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 553267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 554267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 555267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onSaveInstanceState(Bundle)}. 556267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 557267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 558267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 559267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param outState Saved state bundle for the fragment 560267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 561267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentSaveInstanceState(FragmentManager fm, Fragment f, Bundle outState) {} 562267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 563267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 564267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 565267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDestroyView()}. 566267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 567267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 568267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 569267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 570267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewDestroyed(FragmentManager fm, Fragment f) {} 571267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 572267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 573267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 574267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDestroy()}. 575267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 576267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 577267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 578267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 579267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDestroyed(FragmentManager fm, Fragment f) {} 580267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 581267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 582267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 583267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDetach()}. 584267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 585267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 586267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 587267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 588267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDetached(FragmentManager fm, Fragment f) {} 589267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 596418738949305a8a0e30eba92c125c650048f9c50Adam Powell int mPrimaryNavActiveIndex = -1; 59790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex; 598dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 601dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 606418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNavActiveIndex = in.readInt(); 60790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mNextFragmentIndex = in.readInt(); 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 60990ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 61090ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 61590ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 620418738949305a8a0e30eba92c125c650048f9c50Adam Powell dest.writeInt(mPrimaryNavActiveIndex); 62190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount dest.writeInt(mNextFragmentIndex); 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 623dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 62690ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 63090ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 63190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 6414bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikasfinal class FragmentManagerImpl extends FragmentManager implements LayoutInflater.Factory2 { 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 644dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 64879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 650990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<OpGenerator> mPendingActions; 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 652dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 65390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex = 0; 65490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 65690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount SparseArray<Fragment> mActive; 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 659dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 665267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell private CopyOnWriteArrayList<Pair<FragmentLifecycleCallbacks, Boolean>> mLifecycleCallbacks; 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 6688491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy FragmentHostCallback mHost; 6690adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer mContainer; 6700adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment mParent; 671418738949305a8a0e30eba92c125c650048f9c50Adam Powell Fragment mPrimaryNav; 672d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu 673d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu static Field sAnimationListenerField = null; 674dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 67979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 680dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 681fda5be2466024a656152015c45a7681361d399bbGeorge Mount // Temporary vars for removing redundant operations in BackStackRecords: 682990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> mTmpRecords; 683990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> mTmpIsPop; 684990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Fragment> mTmpAddedFragments; 685990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 689dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 690990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Postponed transactions. 691990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<StartEnterTransitionListener> mPostponedTransactions; 692990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 69325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount // Saved FragmentManagerNonConfig during saveAllState() and cleared in noteStateNotSaved() 69425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount FragmentManagerNonConfig mSavedNonConfig; 69525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 70315e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean modifiesAlpha(AnimationOrAnimator anim) { 70415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation instanceof AlphaAnimation) { 70503526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 70615e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (anim.animation instanceof AnimationSet) { 70715e593ea3575512d7072240d1db9d74fad8749a3George Mount List<Animation> anims = ((AnimationSet) anim.animation).getAnimations(); 70803526560f132021f8fd7290259762ab362d4d567Doris Liu for (int i = 0; i < anims.size(); i++) { 70903526560f132021f8fd7290259762ab362d4d567Doris Liu if (anims.get(i) instanceof AlphaAnimation) { 71003526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 71103526560f132021f8fd7290259762ab362d4d567Doris Liu } 71203526560f132021f8fd7290259762ab362d4d567Doris Liu } 71315e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 71415e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 71515e593ea3575512d7072240d1db9d74fad8749a3George Mount return modifiesAlpha(anim.animator); 71615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 71715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 71815e593ea3575512d7072240d1db9d74fad8749a3George Mount 71915e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean modifiesAlpha(Animator anim) { 72015e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim == null) { 72115e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 72215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 72315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim instanceof ValueAnimator) { 72415e593ea3575512d7072240d1db9d74fad8749a3George Mount ValueAnimator valueAnim = (ValueAnimator) anim; 72515e593ea3575512d7072240d1db9d74fad8749a3George Mount PropertyValuesHolder[] values = valueAnim.getValues(); 72615e593ea3575512d7072240d1db9d74fad8749a3George Mount for (int i = 0; i < values.length; i++) { 72715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (("alpha").equals(values[i].getPropertyName())) { 72815e593ea3575512d7072240d1db9d74fad8749a3George Mount return true; 72915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73115e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (anim instanceof AnimatorSet) { 73215e593ea3575512d7072240d1db9d74fad8749a3George Mount List<Animator> animList = ((AnimatorSet) anim).getChildAnimations(); 73315e593ea3575512d7072240d1db9d74fad8749a3George Mount for (int i = 0; i < animList.size(); i++) { 73415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (modifiesAlpha(animList.get(i))) { 73515e593ea3575512d7072240d1db9d74fad8749a3George Mount return true; 73615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 73803526560f132021f8fd7290259762ab362d4d567Doris Liu } 73903526560f132021f8fd7290259762ab362d4d567Doris Liu return false; 74003526560f132021f8fd7290259762ab362d4d567Doris Liu } 74103526560f132021f8fd7290259762ab362d4d567Doris Liu 74215e593ea3575512d7072240d1db9d74fad8749a3George Mount static boolean shouldRunOnHWLayer(View v, AnimationOrAnimator anim) { 74315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (v == null || anim == null) { 74415e593ea3575512d7072240d1db9d74fad8749a3George Mount return false; 74515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 746b8d65fef161c7cd4bb06dc97685cf3fb3d6c3e1aChris Banes return Build.VERSION.SDK_INT >= 19 747fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas && v.getLayerType() == View.LAYER_TYPE_NONE 74803526560f132021f8fd7290259762ab362d4d567Doris Liu && ViewCompat.hasOverlappingRendering(v) 74903526560f132021f8fd7290259762ab362d4d567Doris Liu && modifiesAlpha(anim); 75003526560f132021f8fd7290259762ab362d4d567Doris Liu } 75103526560f132021f8fd7290259762ab362d4d567Doris Liu 75213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn private void throwException(RuntimeException ex) { 75313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, ex.getMessage()); 754ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 75513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn LogWriter logw = new LogWriter(TAG); 75613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn PrintWriter pw = new PrintWriter(logw); 757d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) { 758ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 7598491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onDump(" ", null, pw, new String[] { }); 760ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 761ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 762ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 763ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 764ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 76513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn dump(" ", null, pw, new String[] { }); 766ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 76713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, "Failed dumping state", e); 768ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 769ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 77013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throw ex; 771ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 772ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 780990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean updates = execPendingActions(); 781990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 782990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return updates; 783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 787990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, -1, 0), false); 788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 793990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, -1, 0); 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 798990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(name, -1, flags), false); 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 804990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(name, -1, flags); 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 812990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, id, flags), false); 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 818990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 822990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, id, flags); 823990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 824990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 825990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 826990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Used by all public popBackStackImmediate methods, this executes pending transactions and 827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * returns true if the pop action did anything, regardless of what other pending 828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions did. 829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 830990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if the pop operation did anything or false otherwise. 831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean popBackStackImmediate(String name, int id, int flags) { 833990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 834990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(true); 835990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 836418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null // We have a primary nav fragment 837418738949305a8a0e30eba92c125c650048f9c50Adam Powell && id < 0 // No valid id (since they're local) 838418738949305a8a0e30eba92c125c650048f9c50Adam Powell && name == null) { // no name to pop to (since they're local) 839418738949305a8a0e30eba92c125c650048f9c50Adam Powell final FragmentManager childManager = mPrimaryNav.peekChildFragmentManager(); 840418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (childManager != null && childManager.popBackStackImmediate()) { 841418738949305a8a0e30eba92c125c650048f9c50Adam Powell // We did something, just not to this specific FragmentManager. Return true. 842418738949305a8a0e30eba92c125c650048f9c50Adam Powell return true; 843418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 844418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 845418738949305a8a0e30eba92c125c650048f9c50Adam Powell 846990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean executePop = popBackStackState(mTmpRecords, mTmpIsPop, name, id, flags); 847990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (executePop) { 848990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 849990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 850fda5be2466024a656152015c45a7681361d399bbGeorge Mount removeRedundantOperationsAndExecute(mTmpRecords, mTmpIsPop); 851990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 852990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 853990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 854990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 855990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 856990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount doPendingDeferredStart(); 85790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 858990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return executePop; 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 88913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragment " + fragment 89013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 9032b336307cf98ca5142db6736812178293d47c500Cyril Mottier throwException(new IllegalStateException("Fragment no longer exists for key " 90413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 9101af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount public List<Fragment> getFragments() { 91196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount if (mAdded == null) { 91296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount return Collections.EMPTY_LIST; 91396221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 91496221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 9151af440bacb04c42ca18ad58cbcefa01b41c6792eGeorge Mount return (List<Fragment>) mAdded.clone(); 916418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 9173a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown } 9183a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 91990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 92090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * This is used by FragmentController to get the Active fragments. 92190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 92290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return A list of active fragments in the fragment manager, including those that are in the 92390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * back stack. 92490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 92590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount List<Fragment> getActiveFragments() { 92690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 92790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return null; 92890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 92990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount final int count = mActive.size(); 93090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount ArrayList<Fragment> fragments = new ArrayList<>(count); 93190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = 0; i < count; i++) { 93290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fragments.add(mActive.valueAt(i)); 93390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return fragments; 93590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 93790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 93890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * Used by FragmentController to get the number of Active Fragments. 93990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 94090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return The number of active fragments. 94190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 94290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int getActiveFragmentCount() { 94390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 94490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return 0; 94590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 94690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return mActive.size(); 94790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 94890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 9493a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown @Override 9505c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 9515c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 95213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException( new IllegalStateException("Fragment " + fragment 95313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 9545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 9565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 9575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 9585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 9605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 9625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 96301df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public boolean isDestroyed() { 96401df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler return mDestroyed; 96501df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler } 96601df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 96701df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler @Override 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 9730adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 9740adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mParent, sb); 9750adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } else { 976d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy DebugUtils.buildShortClassTag(mHost, sb); 9770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 99490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1065990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount OpGenerator r = mPendingActions.get(i); 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 1073d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy writer.print(prefix); writer.print(" mHost="); writer.println(mHost); 10740adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mContainer="); writer.println(mContainer); 10750adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 10760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mParent="); writer.println(mParent); 10770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 10919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 10929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 10939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 10949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 1095dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 10969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 1097dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 109815e593ea3575512d7072240d1db9d74fad8749a3George Mount static AnimationOrAnimator makeOpenCloseAnimation(Context context, float startScale, 10999277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 11009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 11019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 11029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 11039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 11049277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 11059277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 11069277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 11079277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 11089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 11099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 111015e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(set); 11119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1112dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 111315e593ea3575512d7072240d1db9d74fad8749a3George Mount static AnimationOrAnimator makeFadeAnimation(Context context, float start, float end) { 11149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 11159277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 11169277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 111715e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(anim); 11189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 111903526560f132021f8fd7290259762ab362d4d567Doris Liu 112015e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator loadAnimation(Fragment fragment, int transit, boolean enter, 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 112215e593ea3575512d7072240d1db9d74fad8749a3George Mount int nextAnim = fragment.getNextAnim(); 112315e593ea3575512d7072240d1db9d74fad8749a3George Mount Animation animation = fragment.onCreateAnimation(transit, enter, nextAnim); 112415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 112515e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 112615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 112715e593ea3575512d7072240d1db9d74fad8749a3George Mount 112815e593ea3575512d7072240d1db9d74fad8749a3George Mount Animator animator = fragment.onCreateAnimator(transit, enter, nextAnim); 112915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator != null) { 113015e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animator); 113115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 113215e593ea3575512d7072240d1db9d74fad8749a3George Mount 113315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (nextAnim != 0) { 113415e593ea3575512d7072240d1db9d74fad8749a3George Mount String dir = mHost.getContext().getResources().getResourceTypeName(nextAnim); 113515e593ea3575512d7072240d1db9d74fad8749a3George Mount boolean isAnim = "anim".equals(dir); 113615e593ea3575512d7072240d1db9d74fad8749a3George Mount boolean successfulLoad = false; 113715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (isAnim) { 113815e593ea3575512d7072240d1db9d74fad8749a3George Mount // try AnimationUtils first 113915e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 114015e593ea3575512d7072240d1db9d74fad8749a3George Mount animation = AnimationUtils.loadAnimation(mHost.getContext(), nextAnim); 114115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 114215e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 114315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 114415e593ea3575512d7072240d1db9d74fad8749a3George Mount // A null animation may be returned and that is acceptable 114515e593ea3575512d7072240d1db9d74fad8749a3George Mount successfulLoad = true; // succeeded in loading animation, but it is null 114615e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (NotFoundException e) { 114715e593ea3575512d7072240d1db9d74fad8749a3George Mount throw e; // Rethrow it -- the resource should be found if it is provided. 114815e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (RuntimeException e) { 114915e593ea3575512d7072240d1db9d74fad8749a3George Mount // Other exceptions can occur when loading an Animator from AnimationUtils. 115015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (!successfulLoad) { 115315e593ea3575512d7072240d1db9d74fad8749a3George Mount // try Animator 115415e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 115515e593ea3575512d7072240d1db9d74fad8749a3George Mount animator = AnimatorInflater.loadAnimator(mHost.getContext(), nextAnim); 115615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator != null) { 115715e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animator); 115815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 115915e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (RuntimeException e) { 116015e593ea3575512d7072240d1db9d74fad8749a3George Mount if (isAnim) { 116115e593ea3575512d7072240d1db9d74fad8749a3George Mount // Rethrow it -- we already tried AnimationUtils and it failed. 116215e593ea3575512d7072240d1db9d74fad8749a3George Mount throw e; 116315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 116415e593ea3575512d7072240d1db9d74fad8749a3George Mount // Otherwise, it is probably an animation resource 116515e593ea3575512d7072240d1db9d74fad8749a3George Mount animation = AnimationUtils.loadAnimation(mHost.getContext(), nextAnim); 116615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 116715e593ea3575512d7072240d1db9d74fad8749a3George Mount return new AnimationOrAnimator(animation); 116815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 116915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1172dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1176dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 1179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 118103526560f132021f8fd7290259762ab362d4d567Doris Liu 11829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 11839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 1184d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.125f, 1.0f, 0, 1); 11859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 1186d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, .975f, 1, 0); 11879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 1188d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), .975f, 1.0f, 0, 1); 11899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 1190d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, 1.075f, 1, 0); 11919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 1192d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 0, 1); 11939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 1194d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 1, 0); 11959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1196dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 119715e593ea3575512d7072240d1db9d74fad8749a3George Mount // TODO: remove or fix transitionStyle -- it apparently never worked. 11988491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (transitionStyle == 0 && mHost.onHasWindowAnimations()) { 11998491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy transitionStyle = mHost.onGetWindowAnimations(); 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 1202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1204dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 1209dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 1213dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1217dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1218abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 1219abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 122079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 122179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 122279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 122379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 122479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1225abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 12265506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1227abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1228abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1229abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 123003526560f132021f8fd7290259762ab362d4d567Doris Liu /** 123103526560f132021f8fd7290259762ab362d4d567Doris Liu * Sets the to be animated view on hardware layer during the animation. Note 123203526560f132021f8fd7290259762ab362d4d567Doris Liu * that calling this will replace any existing animation listener on the animation 123303526560f132021f8fd7290259762ab362d4d567Doris Liu * with a new one, as animations do not support more than one listeners. Therefore, 123403526560f132021f8fd7290259762ab362d4d567Doris Liu * animations that already have listeners should do the layer change operations 123503526560f132021f8fd7290259762ab362d4d567Doris Liu * in their existing listeners, rather than calling this function. 123603526560f132021f8fd7290259762ab362d4d567Doris Liu */ 123715e593ea3575512d7072240d1db9d74fad8749a3George Mount private static void setHWLayerAnimListenerIfAlpha(final View v, AnimationOrAnimator anim) { 123803526560f132021f8fd7290259762ab362d4d567Doris Liu if (v == null || anim == null) { 123903526560f132021f8fd7290259762ab362d4d567Doris Liu return; 124003526560f132021f8fd7290259762ab362d4d567Doris Liu } 124103526560f132021f8fd7290259762ab362d4d567Doris Liu if (shouldRunOnHWLayer(v, anim)) { 124215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animator != null) { 124315e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.addListener(new AnimatorOnHWLayerIfNeededListener(v)); 124415e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 124515e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener originalListener = getAnimationListener(anim.animation); 124615e593ea3575512d7072240d1db9d74fad8749a3George Mount // If there's already a listener set on the animation, we need wrap the new listener 124715e593ea3575512d7072240d1db9d74fad8749a3George Mount // around the existing listener, so that they will both get animation listener 124815e593ea3575512d7072240d1db9d74fad8749a3George Mount // callbacks. 124915e593ea3575512d7072240d1db9d74fad8749a3George Mount v.setLayerType(View.LAYER_TYPE_HARDWARE, null); 125015e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animation.setAnimationListener(new AnimateOnHWLayerIfNeededListener(v, 125115e593ea3575512d7072240d1db9d74fad8749a3George Mount originalListener)); 1252d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 125303526560f132021f8fd7290259762ab362d4d567Doris Liu } 125403526560f132021f8fd7290259762ab362d4d567Doris Liu } 125503526560f132021f8fd7290259762ab362d4d567Doris Liu 125615e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 125715e593ea3575512d7072240d1db9d74fad8749a3George Mount * Returns an existing AnimationListener on an Animation or {@code null} if none exists. 125815e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 125915e593ea3575512d7072240d1db9d74fad8749a3George Mount private static AnimationListener getAnimationListener(Animation animation) { 126015e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener originalListener = null; 126115e593ea3575512d7072240d1db9d74fad8749a3George Mount try { 126215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (sAnimationListenerField == null) { 126315e593ea3575512d7072240d1db9d74fad8749a3George Mount sAnimationListenerField = Animation.class.getDeclaredField("mListener"); 126415e593ea3575512d7072240d1db9d74fad8749a3George Mount sAnimationListenerField.setAccessible(true); 126515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 126615e593ea3575512d7072240d1db9d74fad8749a3George Mount originalListener = (AnimationListener) sAnimationListenerField.get(animation); 126715e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (NoSuchFieldException e) { 126815e593ea3575512d7072240d1db9d74fad8749a3George Mount Log.e(TAG, "No field with the name mListener is found in Animation class", e); 126915e593ea3575512d7072240d1db9d74fad8749a3George Mount } catch (IllegalAccessException e) { 127015e593ea3575512d7072240d1db9d74fad8749a3George Mount Log.e(TAG, "Cannot access Animation's mListener field", e); 127115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 127215e593ea3575512d7072240d1db9d74fad8749a3George Mount return originalListener; 127315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 127415e593ea3575512d7072240d1db9d74fad8749a3George Mount 1275fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell boolean isStateAtLeast(int state) { 1276fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell return mCurState >= state; 1277fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell } 1278fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell 1279b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas @SuppressWarnings("ReferenceEquality") 12805506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 12815506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 128374c671b3b67000bf16b4865a8d361344310dccbeDianne Hackborn if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12862c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 12875a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount if (f.mState == Fragment.INITIALIZING && f.isInBackStack()) { 12885a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount // Allow the fragment to be created so that it can be saved later. 12895a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount newState = Fragment.CREATED; 12905a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount } else { 12915a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount // While removing a fragment, we can't change it to a higher state. 12925a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount newState = f.mState; 12935a97188ba9e2fe80ef31c1bd269f3963c394c1b4George Mount } 12942c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 12956cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 12966cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 12976cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 1298abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 1299abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 130037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mState <= newState) { 13019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 13029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 13039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 13049277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 13059277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 1306dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas } 130715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (f.getAnimatingAway() != null || f.getAnimator() != null) { 1308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 1312990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 131315e593ea3575512d7072240d1db9d74fad8749a3George Mount f.setAnimator(null); 1314990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, f.getStateAfterAnimating(), 0, 0, true); 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 131837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (newState > Fragment.INITIALIZING) { 131937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 132037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mSavedFragmentState != null) { 132137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedFragmentState.setClassLoader(mHost.getContext() 132237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell .getClassLoader()); 132337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 132437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.VIEW_STATE_TAG); 132537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mTarget = getFragment(f.mSavedFragmentState, 132637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.TARGET_STATE_TAG); 132737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mTarget != null) { 132837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mTargetRequestCode = f.mSavedFragmentState.getInt( 132937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 133037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 133137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 133237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 133337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (!f.mUserVisibleHint) { 133437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mDeferStart = true; 133537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (newState > Fragment.STOPPED) { 133637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell newState = Fragment.STOPPED; 133737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 133879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 133979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1340a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 134137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mHost = mHost; 134237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mParentFragment = mParent; 134337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mFragmentManager = mParent != null 134437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell ? mParent.mChildFragmentManager : mHost.getFragmentManagerImpl(); 1345a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 1346a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell // If we have a target fragment, push it along to at least CREATED 1347a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell // so that this one can rely on it as an initialized dependency. 1348a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell if (f.mTarget != null) { 134996767975440de77e44a231e6ef66b374b1403bd0George Mount if (mActive.get(f.mTarget.mIndex) != f.mTarget) { 1350a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell throw new IllegalStateException("Fragment " + f 1351a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell + " declared target fragment " + f.mTarget 1352a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell + " that does not belong to this FragmentManager!"); 1353a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1354a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell if (f.mTarget.mState < Fragment.CREATED) { 1355a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell moveToState(f.mTarget, Fragment.CREATED, 0, 0, true); 1356a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1357a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell } 1358a4fd990846a60f3647445bf65980faad47b4cc68Adam Powell 135937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentPreAttached(f, mHost.getContext(), false); 136037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mCalled = false; 136137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.onAttach(mHost.getContext()); 136237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (!f.mCalled) { 136337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell throw new SuperNotCalledException("Fragment " + f 136437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell + " did not call through to super.onAttach()"); 136537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 136637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mParentFragment == null) { 136737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell mHost.onAttachFragment(f); 136837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } else { 136937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mParentFragment.onAttachFragment(f); 137037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 137137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentAttached(f, mHost.getContext(), false); 13720adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 137337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (!f.mRetaining) { 13741d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell dispatchOnFragmentPreCreated(f, f.mSavedFragmentState, false); 137537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.performCreate(f.mSavedFragmentState); 137637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentCreated(f, f.mSavedFragmentState, false); 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 137837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.restoreChildFragmentState(f.mSavedFragmentState); 137937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mState = Fragment.CREATED; 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 138137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mRetaining = false; 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1383b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 138537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // This is outside the if statement below on purpose; we want this to run 138637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // even if we do a moveToState from CREATED => *, CREATED => CREATED, and 138737149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // * => CREATED as part of the case fallthrough above. 138837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell ensureInflatedFragmentView(f); 138937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 1391e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 139536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell if (f.mContainerId == View.NO_ID) { 139636bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell throwException(new IllegalArgumentException( 139736bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell "Cannot create fragment " 139836bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + f 139936bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + " for a container view with no id")); 140036bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 140136bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell container = (ViewGroup) mContainer.onFindViewById(f.mContainerId); 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 140336bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell String resName; 140436bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell try { 140536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = f.getResources().getResourceName(f.mContainerId); 140636bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } catch (NotFoundException e) { 140736bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = "unknown"; 140836bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 140913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalArgumentException( 141013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No view found for id 0x" 141113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 141236bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + resName 141313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + ") for fragment " + f)); 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 14178b60e88655f6d4191e55b1dd8706e4ae2ae21b04George Mount f.mView = f.performCreateView(f.performGetLayoutInflater( 14180adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), container, f.mSavedFragmentState); 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 1421fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas f.mView.setSaveFromParentEnabled(false); 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 1424990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1425990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHidden) { 1426990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mView.setVisibility(View.GONE); 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1428e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 1429267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, 1430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell false); 1431d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount // Only animate the view if it is visible. This is done after 1432d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount // dispatchOnFragmentViewCreated in case visibility is changed 1433d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount f.mIsNewlyAdded = (f.mView.getVisibility() == View.VISIBLE) 1434d88ddfd4577e46829bf87124ad335d3cb82c3895George Mount && f.mContainer != null; 1435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 14390adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 14400adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performActivityCreated(f.mSavedFragmentState); 1441267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentActivityCreated(f, f.mSavedFragmentState, false); 1442e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 14430adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.restoreViewState(f.mSavedFragmentState); 1444e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1447b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 14499375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell if (newState > Fragment.ACTIVITY_CREATED) { 14509375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell f.mState = Fragment.STOPPED; 14519375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell } 1452b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1453e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1454e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 14569c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 1457267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStarted(f, false); 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1459b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 14630adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performResume(); 1464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentResumed(f, false); 14654e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 14664e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 14740adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performPause(); 1475267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentPaused(f, false); 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1477b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 1482267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStopped(f, false); 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1484b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1485e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1486218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 1487218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 1488218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 1489218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 1490b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 1493e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 14978491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (mHost.onShouldSaveFragmentState(f) && f.mSavedViewState == null) { 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15019c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 1502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewDestroyed(f, false); 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 1504a6a88fd0bbc5e342b4a71c143c907a61c5666bb4George Mount // Stop any current animations: 1505a6a88fd0bbc5e342b4a71c143c907a61c5666bb4George Mount f.mView.clearAnimation(); 1506a6a88fd0bbc5e342b4a71c143c907a61c5666bb4George Mount f.mContainer.endViewTransition(f.mView); 150715e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = null; 1508990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState > Fragment.INITIALIZING && !mDestroyed 15090bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mView.getVisibility() == View.VISIBLE 15100bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mPostponedAlpha >= 0) { 15119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15140bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0; 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 151615e593ea3575512d7072240d1db9d74fad8749a3George Mount animateRemoveFragment(f, anim, newState); 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 15188aa950177d9290b005f0817485f241ddc41c8026George Mount f.mContainer.removeView(f.mView); 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 152337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInLayout = false; 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1525b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas // fall through 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 152915e593ea3575512d7072240d1db9d74fad8749a3George Mount // The fragment's containing activity is 153015e593ea3575512d7072240d1db9d74fad8749a3George Mount // being destroyed, but this fragment is 153115e593ea3575512d7072240d1db9d74fad8749a3George Mount // currently animating away. Stop the 153215e593ea3575512d7072240d1db9d74fad8749a3George Mount // animation right now -- it is not needed, 153315e593ea3575512d7072240d1db9d74fad8749a3George Mount // and we can't wait any more on destroying 153415e593ea3575512d7072240d1db9d74fad8749a3George Mount // the fragment. 1535990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.getAnimatingAway() != null) { 1536990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount View v = f.getAnimatingAway(); 1537990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 1538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 153915e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (f.getAnimator() != null) { 154015e593ea3575512d7072240d1db9d74fad8749a3George Mount Animator animator = f.getAnimator(); 154115e593ea3575512d7072240d1db9d74fad8749a3George Mount f.setAnimator(null); 154215e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.cancel(); 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 154515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (f.getAnimatingAway() != null || f.getAnimator() != null) { 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1550990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setStateAfterAnimating(newState); 15512c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 15550adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performDestroy(); 1556267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDestroyed(f, false); 155720735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } else { 1558b054427688e7cf0475bec09da9a3fb7688881459Adam Powell f.mState = Fragment.INITIALIZING; 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1561916455675ddb34d0eb848b2355550268d82c3ce7Adam Powell f.performDetach(); 1562267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDetached(f, false); 15635506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 15645506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 15655506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 15665506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 1567d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy f.mHost = null; 15686252d78085a07c9d6bb4645a4e8086bf23b0a49aTim Kilbourn f.mParentFragment = null; 15695506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 15705506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 15712c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 157620735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell 157720735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell if (f.mState != newState) { 157820735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell Log.w(TAG, "moveToState: Fragment state for " + f + " not updated inline; " 157920735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell + "expected state " + newState + " found " + f.mState); 158020735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell f.mState = newState; 158120735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } 1582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1583dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 158415e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 158515e593ea3575512d7072240d1db9d74fad8749a3George Mount * Animates the removal of a fragment with the given animator or animation. After animating, 158615e593ea3575512d7072240d1db9d74fad8749a3George Mount * the fragment's view will be removed from the hierarchy. 158715e593ea3575512d7072240d1db9d74fad8749a3George Mount * 158815e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param fragment The fragment to animate out 158915e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param anim The animator or animation to run on the fragment's view 159015e593ea3575512d7072240d1db9d74fad8749a3George Mount * @param newState The final state after animating. 159115e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 159215e593ea3575512d7072240d1db9d74fad8749a3George Mount private void animateRemoveFragment(@NonNull final Fragment fragment, 159315e593ea3575512d7072240d1db9d74fad8749a3George Mount @NonNull AnimationOrAnimator anim, final int newState) { 159415e593ea3575512d7072240d1db9d74fad8749a3George Mount final View viewToAnimate = fragment.mView; 159515e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setStateAfterAnimating(newState); 159615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation != null) { 159715e593ea3575512d7072240d1db9d74fad8749a3George Mount Animation animation = anim.animation; 159815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimatingAway(fragment.mView); 159915e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationListener listener = getAnimationListener(animation); 160015e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.setAnimationListener(new AnimationListenerWrapper(listener) { 160115e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 160215e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 160315e593ea3575512d7072240d1db9d74fad8749a3George Mount super.onAnimationEnd(animation); 160415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.getAnimatingAway() != null) { 160515e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimatingAway(null); 160615e593ea3575512d7072240d1db9d74fad8749a3George Mount moveToState(fragment, fragment.getStateAfterAnimating(), 0, 0, false); 160715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 160815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 160915e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 161015e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(viewToAnimate, anim); 161115e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.startAnimation(animation); 161215e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 161315e593ea3575512d7072240d1db9d74fad8749a3George Mount final Animator animator = anim.animator; 161415e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimator(anim.animator); 161515e593ea3575512d7072240d1db9d74fad8749a3George Mount final ViewGroup container = fragment.mContainer; 161615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (container != null) { 161715e593ea3575512d7072240d1db9d74fad8749a3George Mount container.startViewTransition(viewToAnimate); 161815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 161915e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.addListener(new AnimatorListenerAdapter() { 162015e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 162115e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator anim) { 162215e593ea3575512d7072240d1db9d74fad8749a3George Mount if (container != null) { 162315e593ea3575512d7072240d1db9d74fad8749a3George Mount container.endViewTransition(viewToAnimate); 162415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 162515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.getAnimator() != null) { 162615e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimator(null); 162715e593ea3575512d7072240d1db9d74fad8749a3George Mount moveToState(fragment, fragment.getStateAfterAnimating(), 0, 0, false); 162815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 162915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 163015e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 163115e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.setTarget(fragment.mView); 163215e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 163315e593ea3575512d7072240d1db9d74fad8749a3George Mount animator.start(); 163415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 163515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 163615e593ea3575512d7072240d1db9d74fad8749a3George Mount 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 16385506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 164137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell void ensureInflatedFragmentView(Fragment f) { 164237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mFromLayout && !f.mPerformedCreateView) { 1643bae5c5f73f48516194fdf5c7cfb6b3b7d9878537George Mount f.mView = f.performCreateView(f.performGetLayoutInflater( 164437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mSavedFragmentState), null, f.mSavedFragmentState); 164537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mView != null) { 164637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInnerView = f.mView; 1647fa0f82f629bf95681c14ed559922f77a3030aa18Aurimas Liutikas f.mView.setSaveFromParentEnabled(false); 164837149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell if (f.mHidden) f.mView.setVisibility(View.GONE); 164937149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.onViewCreated(f.mView, f.mSavedFragmentState); 165037149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, false); 165137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } else { 165237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell f.mInnerView = null; 165337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 165437149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 165537149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell } 165637149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell 1657990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1658990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Fragments that have been shown or hidden don't have their visibility changed or 1659990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * animations run during the {@link #showFragment(Fragment)} or {@link #hideFragment(Fragment)} 1660990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * calls. After fragments are brought to their final state in 1661990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #moveFragmentToExpectedState(Fragment)} the fragments that have been shown or 1662990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * hidden must have their visibility changed and their animations started here. 1663990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1664990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment with mHiddenChanged = true that should change its View's 1665990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * visibility and start the show or hide animation. 1666990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1667990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void completeShowHideFragment(final Fragment fragment) { 1668990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null) { 166915e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = loadAnimation(fragment, fragment.getNextTransition(), 1670990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount !fragment.mHidden, fragment.getNextTransitionStyle()); 167115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim != null && anim.animator != null) { 167215e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.setTarget(fragment.mView); 167315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.mHidden) { 167415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.isHideReplaced()) { 167515e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setHideReplaced(false); 167615e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 167715e593ea3575512d7072240d1db9d74fad8749a3George Mount final ViewGroup container = fragment.mContainer; 167815e593ea3575512d7072240d1db9d74fad8749a3George Mount final View animatingView = fragment.mView; 167915e593ea3575512d7072240d1db9d74fad8749a3George Mount container.startViewTransition(animatingView); 168015e593ea3575512d7072240d1db9d74fad8749a3George Mount // Delay the actual hide operation until the animation finishes, 168115e593ea3575512d7072240d1db9d74fad8749a3George Mount // otherwise the fragment will just immediately disappear 168215e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.addListener(new AnimatorListenerAdapter() { 168315e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 168415e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator animation) { 168515e593ea3575512d7072240d1db9d74fad8749a3George Mount container.endViewTransition(animatingView); 168615e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.removeListener(this); 168715e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.mView != null) { 168815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(View.GONE); 168915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 169015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 169115e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 169215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 169315e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 169415e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(View.VISIBLE); 169515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1696990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 169715e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.start(); 169815e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 169915e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim != null) { 170015e593ea3575512d7072240d1db9d74fad8749a3George Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 170115e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.startAnimation(anim.animation); 170215e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animation.start(); 170315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 170415e593ea3575512d7072240d1db9d74fad8749a3George Mount final int visibility = fragment.mHidden && !fragment.isHideReplaced() 170515e593ea3575512d7072240d1db9d74fad8749a3George Mount ? View.GONE 170615e593ea3575512d7072240d1db9d74fad8749a3George Mount : View.VISIBLE; 170715e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.mView.setVisibility(visibility); 170815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.isHideReplaced()) { 170915e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setHideReplaced(false); 171015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1711667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount } 1712990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1713990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1714990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNeedMenuInvalidate = true; 1715990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1716990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1717990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.onHiddenChanged(fragment.mHidden); 1718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1719dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1720990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1721990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Moves a fragment to its expected final state or the fragment manager's state, depending 1722990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * on whether the fragment manager's state is raised properly. 1723990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1724990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment to change. 1725990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1726990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void moveFragmentToExpectedState(Fragment f) { 1727990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f == null) { 1728990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 1729990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1730990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int nextState = mCurState; 1731990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mRemoving) { 1732990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.isInBackStack()) { 173340e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.CREATED); 1734990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 173540e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.INITIALIZING); 1736990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1738990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, nextState, f.getNextTransition(), f.getNextTransitionStyle(), false); 17390adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1740990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mView != null) { 1741990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Move the view if it is out of order 1742990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = findFragmentUnder(f); 1743990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment != null) { 1744990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View underView = underFragment.mView; 1745990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // make sure this fragment is in the right order. 1746990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 1747990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int underIndex = container.indexOfChild(underView); 1748990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int viewIndex = container.indexOfChild(f.mView); 1749990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (viewIndex < underIndex) { 1750990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.removeViewAt(viewIndex); 1751990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.addView(f.mView, underIndex); 1752990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1753990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1754990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mIsNewlyAdded && f.mContainer != null) { 1755990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Make it visible and run the animations 17569d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas if (f.mPostponedAlpha > 0f) { 17570bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mView.setAlpha(f.mPostponedAlpha); 17580bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 17590bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0f; 1760990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mIsNewlyAdded = false; 1761990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // run animations: 176215e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimationOrAnimator anim = loadAnimation(f, f.getNextTransition(), true, 1763990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.getNextTransitionStyle()); 1764990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (anim != null) { 1765990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(f.mView, anim); 176615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (anim.animation != null) { 176715e593ea3575512d7072240d1db9d74fad8749a3George Mount f.mView.startAnimation(anim.animation); 176815e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 176915e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.setTarget(f.mView); 177015e593ea3575512d7072240d1db9d74fad8749a3George Mount anim.animator.start(); 177115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 1772990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1773990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1774990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1775990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHiddenChanged) { 1776990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount completeShowHideFragment(f); 1777990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1778990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1779990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 178077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount /** 178177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * Changes the state of the fragment manager to {@code newState}. If the fragment manager 178277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * changes state or {@code always} is {@code true}, any fragments within it have their 178377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * states updated as well. 178477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * 178577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param newState The new state for the fragment manager 178677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param always If {@code true}, all fragments update their state, even 178777f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * if {@code newState} matches the current fragment manager's state. 178877f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount */ 178977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount void moveToState(int newState, boolean always) { 1790990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mHost == null && newState != Fragment.INITIALIZING) { 1791990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount throw new IllegalStateException("No activity"); 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 17930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 179477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount if (!always && newState == mCurState) { 179577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount return; 179677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount } 179777f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1799990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1801abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1802990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1803990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Must add them in the proper order. mActive fragments may be out of order 1804990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mAdded != null) { 1805990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = mAdded.size(); 1806990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 1807990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment f = mAdded.get(i); 1808990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveFragmentToExpectedState(f); 1809990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mLoaderManager != null) { 1810990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1811990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1812990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1813990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1814990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1815990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Now iterate through all active fragments. These will include those that are removed 1816990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // and detached. 1817990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 1818990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 181990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1820990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f != null && (f.mRemoving || f.mDetached) && !f.mIsNewlyAdded) { 1821990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveFragmentToExpectedState(f); 1822abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1823abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1824abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1828abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1829abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1830abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1831abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1832d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mNeedMenuInvalidate && mHost != null && mCurState == Fragment.RESUMED) { 18338491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onSupportInvalidateOptionsMenu(); 1834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1838abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1839abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 18401199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 18411199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1842abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 184390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1844abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1845abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1846abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1847abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1848abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1849dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1854dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 185590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.setIndex(mNextFragmentIndex++, mParent); 185690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 185790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(); 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 185990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 1860be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1862dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1867dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1868be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 186990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // Don't remove yet. That happens in burpActive(). This prevents 187090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // concurrent modification while iterating over mActive 187190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, null); 187290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 1873d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.inactivateFragment(f.mWho); 18749c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1876dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1882e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1883e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 18843a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 18853a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 18863a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 188796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 188896221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 188996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1890e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1891e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 1892990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView == null) { 1893990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1894990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 18952a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1896e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1897e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1898e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1899e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1900e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1903dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1904990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void removeFragment(Fragment fragment) { 1905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1906e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1907e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1908464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 190996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 191096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.remove(fragment); 191196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 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. 1959464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 19603a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); 196196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 196296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.remove(fragment); 196396221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1964464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 19652a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1966e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1967e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1968e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1969e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1970e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1971e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1972e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1973990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void attachFragment(Fragment fragment) { 1974e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1975e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1976e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1977e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1978464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded == null) { 1979464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1980464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 19813a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 19823a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 19833a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 19843a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "add from attach: " + fragment); 198596221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 198696221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 198796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1988e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 19892a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1990e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1991e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1992e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1993e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1994e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1995e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 199690ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 1997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1998464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 2000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 2001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 2002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 2003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2006464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 2007464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 201090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 2012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 201890ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 201990ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 2020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 2021464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null && tag != null) { 2022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 2023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 2024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 2025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 2026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2029464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 2030464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 2031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 2032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 203390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 2035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2041dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 2043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 2044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 204590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 20460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null && (f=f.findFragmentByWho(who)) != null) { 2047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 2048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2053dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 2055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 2056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 2057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 2058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 2060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 2061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 2062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 206547844337986f365dae294fb434de0c0f7f8df5dbGeorge Mount @Override 20665e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell public boolean isStateSaved() { 20675e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell return mStateSaved; 20685e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell } 20695e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell 2070ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette /** 2071ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * Adds an action to the queue of pending actions. 2072ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * 2073ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param action the action to add 2074ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param allowStateLoss whether to allow loss of state information 2075ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @throws IllegalStateException if the activity has been destroyed 2076ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette */ 2077990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void enqueueAction(OpGenerator action, boolean allowStateLoss) { 2078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 2079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 2080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2082d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mDestroyed || mHost == null) { 2083875d9733f354fc93e72c7e8d849c9b5333950183George Mount if (allowStateLoss) { 2084875d9733f354fc93e72c7e8d849c9b5333950183George Mount // This FragmentManager isn't attached, so drop the entire transaction. 2085875d9733f354fc93e72c7e8d849c9b5333950183George Mount return; 2086875d9733f354fc93e72c7e8d849c9b5333950183George Mount } 2087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 2088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 2090990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions = new ArrayList<>(); 2091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 2093990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount scheduleCommit(); 2094990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2095990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2096990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2097990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2098990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Schedules the execution when one hasn't been scheduled already. This should happen 2099990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the first time {@link #enqueueAction(OpGenerator, boolean)} is called or when 2100990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a postponed transaction has been started with 2101990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} 2102990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2103990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void scheduleCommit() { 2104990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 2105990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean postponeReady = 2106990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions != null && !mPostponedTransactions.isEmpty(); 2107990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean pendingReady = mPendingActions != null && mPendingActions.size() == 1; 2108990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (postponeReady || pendingReady) { 2109d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().removeCallbacks(mExecCommit); 2110d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().post(mExecCommit); 2111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2114dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 2116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 2118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 2119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 2120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 2122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 2123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 2124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 2125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 2128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 2129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 2130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 2131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 2136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 2138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 2139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 2141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 2142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 2143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 2144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 2146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 2147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 2148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 2149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 2151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 2152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 2153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 2155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 2156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 2161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 2163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 2164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 2165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 2167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 2168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2171990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2172990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Broken out from exec*, this prepares for gathering and executing operations. 2173990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2174990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param allowStateLoss true if state loss should be ignored or false if it should be 2175990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * checked. 2176990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2177990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void ensureExecReady(boolean allowStateLoss) { 2178e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell if (mExecutingActions) { 2179e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell throw new IllegalStateException("FragmentManager is already executing transactions"); 2180e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2181e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 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 } 2361990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mAdded != null) { 2362990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.addAll(mAdded); 2363990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2364418738949305a8a0e30eba92c125c650048f9c50Adam Powell Fragment oldPrimaryNav = getPrimaryNavigationFragment(); 2365990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2366990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2367990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2368990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (!isPop) { 2369418738949305a8a0e30eba92c125c650048f9c50Adam Powell oldPrimaryNav = record.expandOps(mTmpAddedFragments, oldPrimaryNav); 23701ff374ad7efdabdd103bf0ad3352a4bb184acc78George Mount } else { 23711ff374ad7efdabdd103bf0ad3352a4bb184acc78George Mount oldPrimaryNav = record.trackAddedFragmentsInPop(mTmpAddedFragments, oldPrimaryNav); 2372990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2373990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount addToBackStack = addToBackStack || record.mAddToBackStack; 2374990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2375990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.clear(); 2376990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2377fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (!allowReordering) { 2378990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, endIndex, 2379990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2380990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2381990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOps(records, isRecordPop, startIndex, endIndex); 2382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2383990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2384fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (allowReordering) { 23850bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> addedFragments = new ArraySet<>(); 23860bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(addedFragments); 2387990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex = postponePostponableTransactions(records, isRecordPop, 23880bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount startIndex, endIndex, addedFragments); 23890bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount makeRemovedFragmentsInvisible(addedFragments); 2390990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2391990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2392fda5be2466024a656152015c45a7681361d399bbGeorge Mount if (postponeIndex != startIndex && allowReordering) { 2393990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // need to run something now 2394990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, 2395990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex, true); 239677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 2397990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2398990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2399990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2400990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2401990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2402990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop && record.mIndex >= 0) { 2403990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount freeBackStackIndex(record.mIndex); 2404990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.mIndex = -1; 2405990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 24065e2b030b851bde2b4569104a01b4acf6960327a6Adam Powell record.runOnCommitRunnables(); 2407990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2408990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (addToBackStack) { 2409990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount reportBackStackChanged(); 2410990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2411990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2412dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2413990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 24140bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any fragments that were removed because they have been postponed should have their views 241515e593ea3575512d7072240d1db9d74fad8749a3George Mount * made invisible by setting their alpha to 0. 24160bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * 24170bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * @param fragments The fragments that were added during operation execution. Only the ones 24180bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * that are no longer added will have their alpha changed. 24190bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount */ 24200bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void makeRemovedFragmentsInvisible(ArraySet<Fragment> fragments) { 24210bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final int numAdded = fragments.size(); 24220bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount for (int i = 0; i < numAdded; i++) { 24230bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final Fragment fragment = fragments.valueAt(i); 24240bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (!fragment.mAdded) { 24250bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final View view = fragment.getView(); 24269d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas fragment.mPostponedAlpha = view.getAlpha(); 24279d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas view.setAlpha(0f); 24280bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24290bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24300bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 24310bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 24320bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount /** 2433990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Examine all transactions and determine which ones are marked as postponed. Those will 2434990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * have their operations rolled back and moved to the end of the record list (up to endIndex). 2435990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * It will also add the postponed transaction to the queue. 2436990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2437990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list of BackStackRecords that should be checked. 2438990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2439990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first record in <code>records</code> to be checked 2440990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One more than the final record index in <code>records</code> to be checked. 2441990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The index of the first postponed transaction or endIndex if no transaction was 2442990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * postponed. 2443990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2444990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int postponePostponableTransactions(ArrayList<BackStackRecord> records, 24450bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex, 24460bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> added) { 2447990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2448990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = endIndex - 1; i >= startIndex; i--) { 2449990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2450990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2451990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean isPostponed = record.isPostponed() 2452990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && !record.interactsWith(records, i + 1, endIndex); 2453990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPostponed) { 2454990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions == null) { 2455990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions = new ArrayList<>(); 2456990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2457990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener listener = 2458990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount new StartEnterTransitionListener(record, isPop); 2459990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.add(listener); 2460990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.setOnStartPostponedListener(listener); 2461990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2462990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // roll back the transaction 2463990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 2464990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2465990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 24660846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(false); 2467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2468dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2469990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // move to the end 2470990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex--; 2471990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (i != postponeIndex) { 2472990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.remove(i); 2473990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(postponeIndex, record); 2474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2475990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2476990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // different views may be visible now 24770bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(added); 2478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2479990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2480990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return postponeIndex; 2481990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2482dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2483990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2484990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * When a postponed transaction is ready to be started, this completes the transaction, 2485990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * removing, hiding, or showing views as well as starting the animations and transitions. 2486990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2487990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@code runtransitions} is set to false when the transaction postponement was interrupted 2488990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * abnormally -- normally by a new transaction being started that affects the postponed 2489990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction. 2490990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2491990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param record The transaction to run 2492990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop true if record is popping or false if it is adding 2493990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param runTransitions true if the fragment transition should be run or false otherwise. 2494990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param moveToState true if the state should be changed after executing the operations. 2495990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is false when the transaction is canceled when a postponed 2496990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction is popped. 2497990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2498990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void completeExecute(BackStackRecord record, boolean isPop, boolean runTransitions, 2499990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean moveToState) { 25008ab31e242e509b289fa6a577426b21cc45b95ef5George Mount if (isPop) { 25018ab31e242e509b289fa6a577426b21cc45b95ef5George Mount record.executePopOps(moveToState); 25028ab31e242e509b289fa6a577426b21cc45b95ef5George Mount } else { 25038ab31e242e509b289fa6a577426b21cc45b95ef5George Mount record.executeOps(); 25048ab31e242e509b289fa6a577426b21cc45b95ef5George Mount } 2505990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> records = new ArrayList<>(1); 2506990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop = new ArrayList<>(1); 2507990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(record); 2508990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(isPop); 2509990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (runTransitions) { 2510990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, 0, 1, true); 2511990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2512990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (moveToState) { 251377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 25140bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 25150bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 25160bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (mActive != null) { 2517990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 2518990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 2519990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Allow added fragments to be removed during the pop since we aren't going 2520990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // to move them to the final state with moveToState(mCurState). 252190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 25220bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (fragment != null && fragment.mView != null && fragment.mIsNewlyAdded 2523990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && record.interactsWith(fragment.mContainerId)) { 25249d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas if (fragment.mPostponedAlpha > 0) { 25250bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mView.setAlpha(fragment.mPostponedAlpha); 25260bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 25270bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (moveToState) { 25280bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = 0; 25290bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } else { 25300bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = -1; 25310bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mIsNewlyAdded = false; 25320bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 2533990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2536990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2537dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2538990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2539990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Find a fragment within the fragment's container whose View should be below the passed 2540990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * fragment. {@code null} is returned when the fragment has no View or if there should be 2541990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * no fragment with a View below the given fragment. 2542990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2543990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * As an example, if mAdded has two Fragments with Views sharing the same container: 2544990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentA 2545990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentB 2546990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2547990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Then, when processing FragmentB, FragmentA will be returned. If, however, FragmentA 2548990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * had no View, null would be returned. 2549990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2550990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment that may be on top of another fragment. 2551990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The fragment with a View under f, if one exists or null if f has no View or 2552990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * there are no fragments with Views in the same container. 2553990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2554990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private Fragment findFragmentUnder(Fragment f) { 2555990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 2556990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View view = f.mView; 2557e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2558990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (container == null || view == null) { 2559990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2560990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2561990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2562990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int fragmentIndex = mAdded.indexOf(f); 2563990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = fragmentIndex - 1; i >= 0; i--) { 2564990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = mAdded.get(i); 2565990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment.mContainer == container && underFragment.mView != null) { 2566990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Found the fragment under this one 2567990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return underFragment; 2568990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2569990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2570990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2571990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2572990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2573990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2574990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Run the operations in the BackStackRecords, either to push or pop. 2575990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2576990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records The list of records whose operations should be run. 2577990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2578990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first entry in records to run. 2579990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One past the index of the final entry in records to run. 2580990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2581990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private static void executeOps(ArrayList<BackStackRecord> records, 2582990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex) { 2583990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = startIndex; i < endIndex; i++) { 2584990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2585990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2586990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 258737e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(-1); 25880846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // Only execute the add operations at the end of 25890846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // all transactions. 25900846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount boolean moveToState = i == (endIndex - 1); 25910846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(moveToState); 2592990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 259337e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(1); 2594990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2595990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2596990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2597990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2598990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2599990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2600990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ensure that fragments that are added are moved to at least the CREATED state. 26010bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any newly-added Views are inserted into {@code added} so that the Transaction can be 26020bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * postponed with {@link Fragment#postponeEnterTransition()}. They will later be made 26030bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * invisible (by setting their alpha to 0) if they have been removed when postponed. 2604990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 26050bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void addAddedFragments(ArraySet<Fragment> added) { 2606990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState < Fragment.CREATED) { 2607990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 2608990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2609990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // We want to leave the fragment in the started state 2610990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int state = Math.min(mCurState, Fragment.STARTED); 2611990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = mAdded == null ? 0 : mAdded.size(); 2612990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 2613990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment fragment = mAdded.get(i); 2614990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mState < state) { 2615990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(fragment, state, fragment.getNextAnim(), fragment.getNextTransition(), 2616990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2617990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null && !fragment.mHidden && fragment.mIsNewlyAdded) { 26180bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount added.add(fragment); 2619990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2620990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2621990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2622990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2623990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2624990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2625990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Starts all postponed transactions regardless of whether they are ready or not. 2626990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2627990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void forcePostponedTransactions() { 2628990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions != null) { 2629990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount while (!mPostponedTransactions.isEmpty()) { 2630990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.remove(0).completeTransaction(); 2631990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2632990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2633990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2634990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2635990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2636990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ends the animations of fragments so that they immediately reach the end state. 2637990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is used prior to saving the state so that the correct state is saved. 2638990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2639990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void endAnimatingAwayFragments() { 2640990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numFragments = mActive == null ? 0 : mActive.size(); 2641990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numFragments; i++) { 264290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 264315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment != null) { 264415e593ea3575512d7072240d1db9d74fad8749a3George Mount if (fragment.getAnimatingAway() != null) { 264515e593ea3575512d7072240d1db9d74fad8749a3George Mount // Give up waiting for the animation and just end it. 264615e593ea3575512d7072240d1db9d74fad8749a3George Mount final int stateAfterAnimating = fragment.getStateAfterAnimating(); 264715e593ea3575512d7072240d1db9d74fad8749a3George Mount final View animatingAway = fragment.getAnimatingAway(); 264815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.setAnimatingAway(null); 264915e593ea3575512d7072240d1db9d74fad8749a3George Mount Animation animation = animatingAway.getAnimation(); 265015e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation != null) { 265115e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.cancel(); 265215e593ea3575512d7072240d1db9d74fad8749a3George Mount // force-clear the animation, as Animation#cancel() doesn't work prior to N, 265315e593ea3575512d7072240d1db9d74fad8749a3George Mount // and will instead cause the animation to infinitely loop 265415e593ea3575512d7072240d1db9d74fad8749a3George Mount animatingAway.clearAnimation(); 265515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 265615e593ea3575512d7072240d1db9d74fad8749a3George Mount moveToState(fragment, stateAfterAnimating, 0, 0, false); 265715e593ea3575512d7072240d1db9d74fad8749a3George Mount } else if (fragment.getAnimator() != null) { 265815e593ea3575512d7072240d1db9d74fad8749a3George Mount fragment.getAnimator().end(); 26599b07983005689872240dee2084dec3520f95eb5aGeorge Mount } 2660990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2661990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2662990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2663990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2664990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2665990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Adds all records in the pending actions to records and whether they are add or pop 2666990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * operations to isPop. After executing, the pending actions will be empty. 2667990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2668990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records All pending actions will generate BackStackRecords added to this. 2669990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This contains the transactions, in order, to execute. 2670990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop All pending actions will generate booleans to add to this. This contains 2671990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an entry for each entry in records to indicate whether or not it is a 2672990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * pop action. 2673990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2674990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean generateOpsForPendingActions(ArrayList<BackStackRecord> records, 2675990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isPop) { 2676418738949305a8a0e30eba92c125c650048f9c50Adam Powell boolean didSomething = false; 2677990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 2678990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPendingActions == null || mPendingActions.size() == 0) { 2679990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return false; 2680990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2681990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2682418738949305a8a0e30eba92c125c650048f9c50Adam Powell final int numActions = mPendingActions.size(); 2683990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActions; i++) { 2684418738949305a8a0e30eba92c125c650048f9c50Adam Powell didSomething |= mPendingActions.get(i).generateOps(records, isPop); 2685990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2686990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions.clear(); 2687990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mHost.getHandler().removeCallbacks(mExecCommit); 2688990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2689418738949305a8a0e30eba92c125c650048f9c50Adam Powell return didSomething; 2690e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2691e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2692e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell void doPendingDeferredStart() { 269379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 269479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 2695e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell for (int i = 0; i < mActive.size(); i++) { 269690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 269779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 269879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 269979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 270079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 270179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 270279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 270379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 270479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 270579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 2706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 270779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 2708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 2709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 2710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 2711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 2712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 2717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 2719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 2721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2722dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2723d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy @SuppressWarnings("unused") 2724990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean popBackStackState(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop, 2725990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount String name, int id, int flags) { 2726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2729990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (name == null && id < 0 && (flags & POP_BACK_STACK_INCLUSIVE) == 0) { 2730990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int last = mBackStack.size() - 1; 2731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 2732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2734990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(last)); 2735990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 2738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 2739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 2740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 2741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 2742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 2745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 2748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 2753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 2756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 2758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 2761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 2762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 2764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 2770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2772990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = mBackStack.size() - 1; i > index; i--) { 2773990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(i)); 2774990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2779dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2780c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig retainNonConfig() { 278125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount setRetaining(mSavedNonConfig); 278225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount return mSavedNonConfig; 278325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 278425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 278525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount /** 278625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * Recurse the FragmentManagerNonConfig fragments and set the mRetaining to true. This 278725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * was previously done while saving the non-config state, but that has been moved to 278825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * {@link #saveNonConfig()} called from {@link #saveAllState()}. If mRetaining is set too 278925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount * early, the fragment won't be destroyed when the FragmentManager is destroyed. 279025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount */ 279125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount private static void setRetaining(FragmentManagerNonConfig nonConfig) { 279225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (nonConfig == null) { 279325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount return; 279425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 279525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount List<Fragment> fragments = nonConfig.getFragments(); 279625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (fragments != null) { 279725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount for (Fragment fragment : fragments) { 279825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount fragment.mRetaining = true; 279925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 280025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 280125806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount List<FragmentManagerNonConfig> children = nonConfig.getChildNonConfigs(); 280225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount if (children != null) { 280325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount for (FragmentManagerNonConfig child : children) { 280425806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount setRetaining(child); 280525806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 280625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 280725806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } 280825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount 280925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount void saveNonConfig() { 2810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 2811c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell ArrayList<FragmentManagerNonConfig> childFragments = null; 2812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 2813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 281490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2815c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f != null) { 2816c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mRetainInstance) { 2817c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (fragments == null) { 2818c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments = new ArrayList<Fragment>(); 2819c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2820c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments.add(f); 2821c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 2822c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 2823c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2824d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets FragmentManagerNonConfig child; 2825c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mChildFragmentManager != null) { 282625806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount f.mChildFragmentManager.saveNonConfig(); 2827d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets child = f.mChildFragmentManager.mSavedNonConfig; 2828d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets } else { 2829d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets // f.mChildNonConfig may be not null, when the parent fragment is 2830d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets // in the backstack. 2831d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets child = f.mChildNonConfig; 2832d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets } 2833d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets 2834d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets if (childFragments == null && child != null) { 2835d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments = new ArrayList<>(mActive.size()); 2836d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets for (int j = 0; j < i; j++) { 2837d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments.add(null); 2838c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2839c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2840d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets 2841d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets if (childFragments != null) { 2842d15baded7e3e904ef00ccda50449c2adf8374f11Sergey Vasilinets childFragments.add(child); 2843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2847c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (fragments == null && childFragments == null) { 284825806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 284925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount } else { 285025806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = new FragmentManagerNonConfig(fragments, childFragments); 2851c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2853dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 2855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 2856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 2857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 2859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 2860ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 2861ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 2862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 2864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 2865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 2866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 2867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2869dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 28705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 28715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 28725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 28735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 28745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 28755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performSaveInstanceState(mStateBundle); 2877267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentSaveInstanceState(f, mStateBundle, false); 28785c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 28795c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 28805c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 28815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 28835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 28845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 28855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 28875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 28885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 28895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 28905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 28915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 28925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 289379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 2894f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 2895f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 2896f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 289779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 289879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 289979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 29005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 29015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 29025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 29035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 2905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 2906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 2907990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 2908990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount endAnimatingAwayFragments(); 2909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 2910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 29119d359be2fec790cf02c3201c89ff37d425d35058Aurimas Liutikas mStateSaved = true; 291225806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 2913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 2915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2917dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 2919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 2920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 2921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 2922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 292390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 29251b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 292613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 292713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + f 292813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + f.mIndex)); 29291b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 29301b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 2931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 2932dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 2934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 2935dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 29375c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 2938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 2940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 294113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 294213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: " + f 294313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has target not in fragment manager: " + f.mTarget)); 2944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 2946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 2947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 2949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 2950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 2951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 2952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 2953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 2954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 2959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2960dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 2962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 2963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2965dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 2967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 2968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2970dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 2972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 2973dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 2975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 2976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 2977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 2978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 2979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 2980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 29811b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (added[i] < 0) { 298213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 298313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + mAdded.get(i) 298413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + added[i])); 29851b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 2986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 2987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 2988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2991dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 2993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 2994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 2995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 2996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 2997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 2998d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy backStack[i] = new BackStackState(mBackStack.get(i)); 2999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 3000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 3001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3004dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 3006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 3007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 3008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 3009418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null) { 3010418738949305a8a0e30eba92c125c650048f9c50Adam Powell fms.mPrimaryNavActiveIndex = mPrimaryNav.mIndex; 3011418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 301290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fms.mNextFragmentIndex = mNextFragmentIndex; 301325806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount saveNonConfig(); 3014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 3015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3016dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3017c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell void restoreAllState(Parcelable state, FragmentManagerNonConfig nonConfig) { 3018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 3019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 3020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 3021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 3022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 3023c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 3024c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<FragmentManagerNonConfig> childNonConfigs = null; 3025c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 3026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 3027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 3028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 3029c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 3030c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfigs = nonConfig.getChildNonConfigs(); 3031c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 3032c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 3033c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 3034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 303538083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount int index = 0; // index into fms.mActive 303638083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount while (index < fms.mActive.length && fms.mActive[index].mIndex != f.mIndex) { 303738083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount index++; 303838083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 303938083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount if (index == fms.mActive.length) { 304038083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount throwException(new IllegalStateException("Could not find active fragment " 304138083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount + "with index " + f.mIndex)); 304238083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 304338083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount FragmentState fs = fms.mActive[index]; 3044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 3045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 3046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 3047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 3048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 30492c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 3050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 3051d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy fs.mSavedFragmentState.setClassLoader(mHost.getContext().getClassLoader()); 3052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 3053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 30548e4a59b54e9225b77151805dd6b8867dcd8e60a4Craig Mautner f.mSavedFragmentState = fs.mSavedFragmentState; 3055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3058dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 3060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 306190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(fms.mActive.length); 3062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 3063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 3064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 3065c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig childNonConfig = null; 3066c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (childNonConfigs != null && i < childNonConfigs.size()) { 3067c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfig = childNonConfigs.get(i); 3068c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 30694aebb5be19bbf9314e7474dd62df8dd915313436Adam Powell Fragment f = fs.instantiate(mHost, mContainer, mParent, childNonConfig); 30703a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: active #" + i + ": " + f); 307190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 3072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 3073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 3074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 3075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 3076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3078dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 3080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 3081c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 3082c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 3083c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 3084c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 30852c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 308690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.mTarget = mActive.get(f.mTargetIndex); 308790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (f.mTarget == null) { 3088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 30892c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 3090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 3096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 3097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 3098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 3099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 3100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 310113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 310213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i])); 3103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 31053a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: added #" + i + ": " + f); 31063a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(f)) { 31073a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Already added!"); 31083a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 310996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 311096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(f); 311196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 3112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 3114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 3115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3116dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 3118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 3119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 3120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 3121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 31223a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) { 31233a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn Log.v(TAG, "restoreAllState: back stack #" + i 3124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 31253a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn LogWriter logw = new LogWriter(TAG); 31263a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn PrintWriter pw = new PrintWriter(logw); 31273a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn bse.dump(" ", pw, false); 3128f83358389f0c4ea37a7e7d9e493857f99baf0440Chris Banes pw.close(); 31293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 3130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 3131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 3132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 3133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 3136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 3137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3138418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3139418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (fms.mPrimaryNavActiveIndex >= 0) { 3140418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNav = mActive.get(fms.mPrimaryNavActiveIndex); 3141418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 314290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount this.mNextFragmentIndex = fms.mNextFragmentIndex; 314390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 314490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 314590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 314690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * To prevent list modification errors, mActive sets values to null instead of 314790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * removing them when the Fragment becomes inactive. This cleans up the list at the 314890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * end of executing the transactions. 314990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 315090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount private void burpActive() { 315190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive != null) { 315290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = mActive.size() - 1; i >= 0; i--) { 315390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive.valueAt(i) == null) { 315490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.delete(mActive.keyAt(i)); 315590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 315690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 315790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 3158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3159d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy 31608491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy public void attachController(FragmentHostCallback host, 31610adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer container, Fragment parent) { 3162d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) throw new IllegalStateException("Already attached"); 3163d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = host; 31640adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = container; 31650adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = parent; 3166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3167dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 316925806414c27ad7a9b194e01328b1315058d3d2adGeorge Mount mSavedNonConfig = null; 3170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 31710765353c002bfdf681c982565810aa4be3499dd0George Mount final int addedCount = mAdded == null ? 0 : mAdded.size(); 31720765353c002bfdf681c982565810aa4be3499dd0George Mount for (int i = 0; i < addedCount; i++) { 31730765353c002bfdf681c982565810aa4be3499dd0George Mount Fragment fragment = mAdded.get(i); 31740765353c002bfdf681c982565810aa4be3499dd0George Mount if (fragment != null) { 31750765353c002bfdf681c982565810aa4be3499dd0George Mount fragment.noteStateNotSaved(); 31760765353c002bfdf681c982565810aa4be3499dd0George Mount } 31770765353c002bfdf681c982565810aa4be3499dd0George Mount } 3178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3179dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 3181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 3182aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.CREATED); 3183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3184dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 3186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 3187aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.ACTIVITY_CREATED); 3188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3189dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 3191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 3192aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STARTED); 3193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3194dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 3196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 3197aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.RESUMED); 3198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3199dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 3201aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STARTED); 3202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3203dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 3205681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 3206681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 3207681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 3208681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 3209681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 3210aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.STOPPED); 3211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3212dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3213218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 3214aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.ACTIVITY_CREATED); 3215681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 3216681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 32170adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void dispatchDestroyView() { 3218aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.CREATED); 32190adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 32200adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 3221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 3222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 3223e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 3224aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount dispatchStateChange(Fragment.INITIALIZING); 3225d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = null; 32260adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = null; 32270adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = null; 3228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 32295fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 3230aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount private void dispatchStateChange(int nextState) { 3231aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount try { 3232aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount mExecutingActions = true; 3233aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount moveToState(nextState, false); 3234aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } finally { 3235aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount mExecutingActions = false; 3236aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } 3237aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount execPendingActions(); 3238aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount } 3239aee2fb02851620a16703f950f865d990fc64cf6dGeorge Mount 32405fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchMultiWindowModeChanged(boolean isInMultiWindowMode) { 32415fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (mAdded == null) { 32425fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian return; 32435fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32445fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 32455fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian final android.support.v4.app.Fragment f = mAdded.get(i); 32465fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 32475fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performMultiWindowModeChanged(isInMultiWindowMode); 32485fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32495fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32505fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32515fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 32525fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchPictureInPictureModeChanged(boolean isInPictureInPictureMode) { 32535fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (mAdded == null) { 32545fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian return; 32555fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32565fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 32575fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian final android.support.v4.app.Fragment f = mAdded.get(i); 32585fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 32595fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performPictureInPictureModeChanged(isInPictureInPictureMode); 32605fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32615fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32625fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 32635fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 3264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 3265464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 3268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 32690adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performConfigurationChanged(newConfig); 3270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 3276464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 3279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 32800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performLowMemory(); 3281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 3287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 3289464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 32920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 32930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performCreateOptionsMenu(menu, inflater)) { 32940adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 32950adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (newMenus == null) { 32960adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus = new ArrayList<Fragment>(); 32970adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 32980adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus.add(f); 3299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3303c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 3305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 3306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 3307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 3308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 3309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3312c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 3314c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3317dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 3319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3320464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 33230adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 33240adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performPrepareOptionsMenu(menu)) { 33250adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 33260adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 3327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3332dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 3334464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 33370adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 33380adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performOptionsItemSelected(item)) { 3339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 3340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3346dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 3348464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 33510adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 33520adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performContextItemSelected(item)) { 3353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 3354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3360dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 3362464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 33650adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 33660adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performOptionsMenuClosed(menu); 3367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3371461b48b4588ac21b97aa40553f04222c2c0344e7Chris Banes 3372b7a2c474fc66d5b7f2a57f2c212f8ac5a9e6de70Aurimas Liutikas @SuppressWarnings("ReferenceEquality") 3373418738949305a8a0e30eba92c125c650048f9c50Adam Powell public void setPrimaryNavigationFragment(Fragment f) { 337496767975440de77e44a231e6ef66b374b1403bd0George Mount if (f != null && (mActive.get(f.mIndex) != f 337596767975440de77e44a231e6ef66b374b1403bd0George Mount || (f.mHost != null && f.getFragmentManager() != this))) { 3376418738949305a8a0e30eba92c125c650048f9c50Adam Powell throw new IllegalArgumentException("Fragment " + f 3377418738949305a8a0e30eba92c125c650048f9c50Adam Powell + " is not an active fragment of FragmentManager " + this); 3378418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3379418738949305a8a0e30eba92c125c650048f9c50Adam Powell mPrimaryNav = f; 3380418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3381418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3382e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3383418738949305a8a0e30eba92c125c650048f9c50Adam Powell public Fragment getPrimaryNavigationFragment() { 3384418738949305a8a0e30eba92c125c650048f9c50Adam Powell return mPrimaryNav; 3385418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3386418738949305a8a0e30eba92c125c650048f9c50Adam Powell 3387e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3388267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 3389267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive) { 3390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks = new CopyOnWriteArrayList<>(); 3392267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3393abc73958d264e1eed7fd401a18be1d9ede8304ebAurimas Liutikas mLifecycleCallbacks.add(new Pair<>(cb, recursive)); 3394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3395267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3396e2104f4b5c8e3ad63570306a25e61502dfe4c418Aurimas Liutikas @Override 3397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb) { 3398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3400267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3401267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3402267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell synchronized (mLifecycleCallbacks) { 3403267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (int i = 0, N = mLifecycleCallbacks.size(); i < N; i++) { 3404267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks.get(i).first == cb) { 3405267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks.remove(i); 3406267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell break; 3407267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3408267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3409267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3410267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3411267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3412267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPreAttached(Fragment f, Context context, boolean onlyRecursive) { 3413267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3414267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3415267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3416267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3417267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPreAttached(f, context, true); 3418267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3419267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3420267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3421267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3422267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3423267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3424267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3425267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPreAttached(this, f, context); 3426267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3427267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3428267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3429267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentAttached(Fragment f, Context context, boolean onlyRecursive) { 3431267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3432267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3433267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3434267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3435267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentAttached(f, context, true); 3436267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3437267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3438267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3439267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3440267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3441267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3442267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3443267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentAttached(this, f, context); 3444267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3445267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3446267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3447267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 34481d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell void dispatchOnFragmentPreCreated(Fragment f, Bundle savedInstanceState, 34491d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell boolean onlyRecursive) { 34501d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (mParent != null) { 34511d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell FragmentManager parentManager = mParent.getFragmentManager(); 34521d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (parentManager instanceof FragmentManagerImpl) { 34531d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell ((FragmentManagerImpl) parentManager) 34541d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell .dispatchOnFragmentPreCreated(f, savedInstanceState, true); 34551d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34561d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34571d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (mLifecycleCallbacks == null) { 34581d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell return; 34591d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34601d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 34611d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell if (!onlyRecursive || p.second) { 34621d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell p.first.onFragmentPreCreated(this, f, savedInstanceState); 34631d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34641d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34651d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell } 34661d1dad664f27bc66fa52e4b0a294a5efb5af0ea1Adam Powell 3467267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentCreated(Fragment f, Bundle savedInstanceState, boolean onlyRecursive) { 3468267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3469267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3470267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3471267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3472267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentCreated(f, savedInstanceState, true); 3473267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3474267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3475267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3476267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3477267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3478267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3479267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3480267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentCreated(this, f, savedInstanceState); 3481267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3482267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3483267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3484267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3485267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentActivityCreated(Fragment f, Bundle savedInstanceState, 3486267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3487267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3488267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3490267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3491267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentActivityCreated(f, savedInstanceState, true); 3492267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3493267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3494267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3495267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3496267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3497267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3498267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3499267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentActivityCreated(this, f, savedInstanceState); 3500267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3503267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3504267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewCreated(Fragment f, View v, Bundle savedInstanceState, 3505267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3506267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3508267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3510267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewCreated(f, v, savedInstanceState, true); 3511267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3512267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3513267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3514267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3515267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3516267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3517267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3518267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewCreated(this, f, v, savedInstanceState); 3519267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3520267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3521267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3522267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3523267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStarted(Fragment f, boolean onlyRecursive) { 3524267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3525267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3526267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3527267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3528267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStarted(f, true); 3529267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3530267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3531267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3532267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3533267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3534267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3535267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3536267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStarted(this, f); 3537267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3538267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3539267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3540267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3541267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentResumed(Fragment f, boolean onlyRecursive) { 3542267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3543267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3544267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3545267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3546267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentResumed(f, true); 3547267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3548267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3549267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3550267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3551267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3552267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3553267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3554267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentResumed(this, f); 3555267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3556267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3557267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3558267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3559267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPaused(Fragment f, boolean onlyRecursive) { 3560267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3561267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3562267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3563267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3564267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPaused(f, true); 3565267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3566267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3567267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3568267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3569267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3570267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3571267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3572267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPaused(this, f); 3573267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3574267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3575267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3576267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3577267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStopped(Fragment f, boolean onlyRecursive) { 3578267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3579267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3580267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3581267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3582267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStopped(f, true); 3583267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3584267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3585267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3586267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3587267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3588267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3589267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3590267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStopped(this, f); 3591267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3592267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3593267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3594267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3595267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentSaveInstanceState(Fragment f, Bundle outState, boolean onlyRecursive) { 3596267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3597267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3598267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3599267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3600267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentSaveInstanceState(f, outState, true); 3601267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3602267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3603267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3604267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3605267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3606267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3607267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3608267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentSaveInstanceState(this, f, outState); 3609267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3610267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3611267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3612267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3613267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewDestroyed(Fragment f, boolean onlyRecursive) { 3614267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3615267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3616267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3617267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3618267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewDestroyed(f, true); 3619267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3620267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3621267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3622267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3623267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3624267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3625267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3626267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewDestroyed(this, f); 3627267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3628267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3629267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3630267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3631267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDestroyed(Fragment f, boolean onlyRecursive) { 3632267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3633267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3634267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3635267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3636267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDestroyed(f, true); 3637267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3638267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3639267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3640267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3641267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3642267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3643267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3644267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDestroyed(this, f); 3645267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3646267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3647267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3648267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3649267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDetached(Fragment f, boolean onlyRecursive) { 3650267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3651267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3652267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3653267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3654267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDetached(f, true); 3655267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3656267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3657267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3658267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3659267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3660267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3661267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3662267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDetached(this, f); 3663267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3664267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3665267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3666267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 3668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 3669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 3671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 3672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 3674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 3675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 3677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 3678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 3681dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3683dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 36849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 36859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 36869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 36879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 36889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 36899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 3690dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 3692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 3693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 36959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 3696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 36989277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 3699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 37019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 3702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 3705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 37060f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37070f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell @Override 3708bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banes public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { 37090f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!"fragment".equals(name)) { 37100f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 37110f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37120f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37130f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String fname = attrs.getAttributeValue(null, "class"); 37140f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell TypedArray a = context.obtainStyledAttributes(attrs, FragmentTag.Fragment); 37150f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fname == null) { 37160f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fname = a.getString(FragmentTag.Fragment_name); 37170f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37180f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID); 37190f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String tag = a.getString(FragmentTag.Fragment_tag); 37200f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell a.recycle(); 37210f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 3722d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (!Fragment.isSupportFragmentClass(mHost.getContext(), fname)) { 37230f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // Invalid support lib fragment; let the device's framework handle it. 37240f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This will allow android.app.Fragments to do the right thing. 37250f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 37260f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37270f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37280f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int containerId = parent != null ? parent.getId() : 0; 37290f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (containerId == View.NO_ID && id == View.NO_ID && tag == null) { 37300f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 37310f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Must specify unique android:id, android:tag, or have a parent with an id for " + fname); 37320f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37330f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37340f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we restored from a previous state, we may already have 37350f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // instantiated this fragment from the state and should use 37360f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // that instance instead of making a new one. 37370f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell Fragment fragment = id != View.NO_ID ? findFragmentById(id) : null; 37380f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && tag != null) { 37390f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentByTag(tag); 37400f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37410f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && containerId != View.NO_ID) { 37420f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentById(containerId); 37430f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37440f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37450f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (FragmentManagerImpl.DEBUG) Log.v(TAG, "onCreateView: id=0x" 37460f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + Integer.toHexString(id) + " fname=" + fname 37470f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " existing=" + fragment); 37480f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null) { 37494aebb5be19bbf9314e7474dd62df8dd915313436Adam Powell fragment = mContainer.instantiate(context, fname, null); 37500f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFromLayout = true; 37510f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentId = id != 0 ? id : containerId; 37520f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mContainerId = containerId; 37530f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mTag = tag; 37540f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 37550f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentManager = this; 37561b84066e4233b4b0c8a32fffc30f95b8cd20ced4Chris Banes fragment.mHost = mHost; 3757b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 37580f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell addFragment(fragment, true); 37590f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37600f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else if (fragment.mInLayout) { 37610f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // A fragment already exists and it is not one we restored from 37620f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // previous state. 37630f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 37640f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Duplicate id 0x" + Integer.toHexString(id) 37650f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId) 37660f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " with another fragment for " + fname); 37670f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 37680f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This fragment was retained from a previous instance; get it 37690f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // going now. 37700f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 3771e4148d65bbd62585c68c5782c2081bab6b303568Todd Kennedy fragment.mHost = mHost; 37720f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If this fragment is newly instantiated (either right now, or 37730f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // from last saved state), then give it the attributes to 37740f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // initialize itself. 37750f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!fragment.mRetaining) { 3776b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 37770f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37780f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37790f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37800f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we haven't finished entering the CREATED state ourselves yet, 378137149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // push the inflated child fragment along. This will ensureInflatedFragmentView 378237149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // at the right phase of the lifecycle so that we will have mView populated 378337149f137aad1b2ec06df63807cef6713da3ca2fAdam Powell // for compliant fragments below. 37840f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (mCurState < Fragment.CREATED && fragment.mFromLayout) { 37850f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment, Fragment.CREATED, 0, 0, false); 37860f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 37870f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment); 37880f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37890f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 37900f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView == null) { 37910f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalStateException("Fragment " + fname 37920f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " did not create a view."); 37930f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37940f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (id != 0) { 37950f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setId(id); 37960f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 37970f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView.getTag() == null) { 37980f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setTag(tag); 37990f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 38000f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return fragment.mView; 38010f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 38020f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 38034bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas @Override 38044bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas public View onCreateView(String name, Context context, AttributeSet attrs) { 38054bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas return onCreateView(null, name, context, attrs); 38064bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas } 38074bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas 38084bf8c3d1aeb944a993c946db770604b55f981341Aurimas Liutikas LayoutInflater.Factory2 getLayoutInflaterFactory() { 38090f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return this; 38100f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 38110f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 38120f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell static class FragmentTag { 38130f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int[] Fragment = { 38140f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 0x01010003, 0x010100d0, 0x010100d1 38150f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell }; 38160f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_id = 1; 38170f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_name = 0; 38180f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_tag = 2; 38190f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 3820990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3821990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3822990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * An add or pop transaction to be scheduled for the UI thread. 3823990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3824990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount interface OpGenerator { 3825990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3826990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Generate transactions to add to {@code records} and whether or not the transaction is 3827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an add or pop to {@code isRecordPop}. 3828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * records and isRecordPop must be added equally so that each transaction in records 3830990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * matches the boolean for whether or not it is a pop in isRecordPop. 3831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list to add transactions to. 3833990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop A list to add whether or not the transactions added to records is 3834990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a pop transaction. 3835990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if something was added or false otherwise. 3836990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3837990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean generateOps(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop); 3838990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3839990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3840990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3841990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A pop operation OpGenerator. This will be run on the UI thread and will generate the 3842990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions that will be popped if anything can be popped. 3843990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3844990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private class PopBackStackState implements OpGenerator { 3845990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final String mName; 3846990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mId; 3847990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mFlags; 3848990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3849990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount PopBackStackState(String name, int id, int flags) { 3850990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mName = name; 3851990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mId = id; 3852990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mFlags = flags; 3853990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3854990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3855990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3856990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean generateOps(ArrayList<BackStackRecord> records, 3857990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 3858418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (mPrimaryNav != null // We have a primary nav fragment 3859418738949305a8a0e30eba92c125c650048f9c50Adam Powell && mId < 0 // No valid id (since they're local) 3860418738949305a8a0e30eba92c125c650048f9c50Adam Powell && mName == null) { // no name to pop to (since they're local) 3861418738949305a8a0e30eba92c125c650048f9c50Adam Powell final FragmentManager childManager = mPrimaryNav.peekChildFragmentManager(); 3862418738949305a8a0e30eba92c125c650048f9c50Adam Powell if (childManager != null && childManager.popBackStackImmediate()) { 3863418738949305a8a0e30eba92c125c650048f9c50Adam Powell // We didn't add any operations for this FragmentManager even though 3864418738949305a8a0e30eba92c125c650048f9c50Adam Powell // a child did do work. 3865418738949305a8a0e30eba92c125c650048f9c50Adam Powell return false; 3866418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3867418738949305a8a0e30eba92c125c650048f9c50Adam Powell } 3868990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackState(records, isRecordPop, mName, mId, mFlags); 3869990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3870990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3871990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3872990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3873990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A listener for a postponed transaction. This waits until 3874990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} is called or a transaction is started 3875990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * that interacts with this one, based on interactions with the fragment container. 3876990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3877990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount static class StartEnterTransitionListener 3878990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount implements Fragment.OnStartEnterTransitionListener { 3879990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final boolean mIsBack; 3880990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final BackStackRecord mRecord; 3881990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int mNumPostponed; 3882990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3883990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener(BackStackRecord record, boolean isBack) { 3884990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mIsBack = isBack; 3885990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord = record; 3886990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3887990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3888990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3889990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment#startPostponedEnterTransition()}, this decreases the 3890990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * number of Fragments that are postponed. This may cause the transaction to schedule 3891990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * to finish running and run transitions and animations. 3892990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3893990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3894990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void onStartEnterTransition() { 3895990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed--; 3896990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mNumPostponed != 0) { 3897990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 3898990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3899990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.scheduleCommit(); 3900990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3901990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3902990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3903990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment# 3904990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * setOnStartEnterTransitionListener(Fragment.OnStartEnterTransitionListener)}, this 3905990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * increases the number of fragments that are postponed as part of this transaction. 3906990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3907990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3908990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void startListening() { 3909990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed++; 3910990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3911990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3912990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3913990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if there are no more postponed fragments as part of the transaction. 3914990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3915990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean isReady() { 3916990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return mNumPostponed == 0; 3917990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3918990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3919990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3920990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Completes the transaction and start the animations and transitions. This may skip 3921990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the transitions if this is called before all fragments have called 3922990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()}. 3923990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3924990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void completeTransaction() { 3925990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean canceled; 3926990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount canceled = mNumPostponed > 0; 3927990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentManagerImpl manager = mRecord.mManager; 3928990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = manager.mAdded.size(); 3929990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 3930990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final Fragment fragment = manager.mAdded.get(i); 3931990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.setOnStartEnterTransitionListener(null); 3932990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (canceled && fragment.isPostponed()) { 3933990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.startPostponedEnterTransition(); 3934990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3935990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3936990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, !canceled, true); 3937990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3938990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3939990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3940990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Cancels this transaction instead of completing it. That means that the state isn't 3941990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * changed, so the pop results in no change to the state. 3942990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3943990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void cancelTransaction() { 3944990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, false, false); 3945990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3946990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 394715e593ea3575512d7072240d1db9d74fad8749a3George Mount 394815e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 394915e593ea3575512d7072240d1db9d74fad8749a3George Mount * Contains either an animator or animation. One of these should be null. 395015e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 395115e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimationOrAnimator { 395215e593ea3575512d7072240d1db9d74fad8749a3George Mount public final Animation animation; 395315e593ea3575512d7072240d1db9d74fad8749a3George Mount public final Animator animator; 395415e593ea3575512d7072240d1db9d74fad8749a3George Mount 395515e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationOrAnimator(Animation animation) { 395615e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animation = animation; 395715e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animator = null; 395815e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animation == null) { 395915e593ea3575512d7072240d1db9d74fad8749a3George Mount throw new IllegalStateException("Animation cannot be null"); 396015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 396115e593ea3575512d7072240d1db9d74fad8749a3George Mount } 396215e593ea3575512d7072240d1db9d74fad8749a3George Mount 396315e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationOrAnimator(Animator animator) { 396415e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animation = null; 396515e593ea3575512d7072240d1db9d74fad8749a3George Mount this.animator = animator; 396615e593ea3575512d7072240d1db9d74fad8749a3George Mount if (animator == null) { 396715e593ea3575512d7072240d1db9d74fad8749a3George Mount throw new IllegalStateException("Animator cannot be null"); 396815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 396915e593ea3575512d7072240d1db9d74fad8749a3George Mount } 397015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 397115e593ea3575512d7072240d1db9d74fad8749a3George Mount 397215e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 397315e593ea3575512d7072240d1db9d74fad8749a3George Mount * Wrap an AnimationListener that can be null. This allows us to chain animation listeners. 397415e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 397515e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimationListenerWrapper implements AnimationListener { 397615e593ea3575512d7072240d1db9d74fad8749a3George Mount private final AnimationListener mWrapped; 397715e593ea3575512d7072240d1db9d74fad8749a3George Mount 397815e593ea3575512d7072240d1db9d74fad8749a3George Mount private AnimationListenerWrapper(AnimationListener wrapped) { 397915e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped = wrapped; 398015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 398115e593ea3575512d7072240d1db9d74fad8749a3George Mount 398215e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 398315e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 398415e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationStart(Animation animation) { 398515e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 398615e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationStart(animation); 398715e593ea3575512d7072240d1db9d74fad8749a3George Mount } 398815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 398915e593ea3575512d7072240d1db9d74fad8749a3George Mount 399015e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 399115e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 399215e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 399315e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 399415e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationEnd(animation); 399515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 399715e593ea3575512d7072240d1db9d74fad8749a3George Mount 399815e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 399915e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 400015e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationRepeat(Animation animation) { 400115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (mWrapped != null) { 400215e593ea3575512d7072240d1db9d74fad8749a3George Mount mWrapped.onAnimationRepeat(animation); 400315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 400415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 400515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 400615e593ea3575512d7072240d1db9d74fad8749a3George Mount 400715e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 400815e593ea3575512d7072240d1db9d74fad8749a3George Mount * Reset the layer type to LAYER_TYPE_NONE at the end of an animation. 400915e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 401015e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimateOnHWLayerIfNeededListener extends AnimationListenerWrapper { 401115e593ea3575512d7072240d1db9d74fad8749a3George Mount View mView; 401215e593ea3575512d7072240d1db9d74fad8749a3George Mount 401315e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimateOnHWLayerIfNeededListener(final View v, AnimationListener listener) { 401415e593ea3575512d7072240d1db9d74fad8749a3George Mount super(listener); 401515e593ea3575512d7072240d1db9d74fad8749a3George Mount mView = v; 401615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 401715e593ea3575512d7072240d1db9d74fad8749a3George Mount 401815e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 401915e593ea3575512d7072240d1db9d74fad8749a3George Mount @CallSuper 402015e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animation animation) { 402115e593ea3575512d7072240d1db9d74fad8749a3George Mount // If we're attached to a window, assume we're in the normal performTraversals 402215e593ea3575512d7072240d1db9d74fad8749a3George Mount // drawing path for Animations running. It's not safe to change the layer type 402315e593ea3575512d7072240d1db9d74fad8749a3George Mount // during drawing, so post it to the View to run later. If we're not attached 402415e593ea3575512d7072240d1db9d74fad8749a3George Mount // or we're running on N and above, post it to the view. If we're not on N and 402515e593ea3575512d7072240d1db9d74fad8749a3George Mount // not attached, do it right now since existing platform versions don't run the 402615e593ea3575512d7072240d1db9d74fad8749a3George Mount // hwui renderer for detached views off the UI thread making changing layer type 402715e593ea3575512d7072240d1db9d74fad8749a3George Mount // safe, but posting may not be. 402815e593ea3575512d7072240d1db9d74fad8749a3George Mount // Prior to N posting to a detached view from a non-Looper thread could cause 402915e593ea3575512d7072240d1db9d74fad8749a3George Mount // leaks, since the thread-local run queue on a non-Looper thread would never 403015e593ea3575512d7072240d1db9d74fad8749a3George Mount // be flushed. 403115e593ea3575512d7072240d1db9d74fad8749a3George Mount if (ViewCompat.isAttachedToWindow(mView) || Build.VERSION.SDK_INT >= 24) { 403215e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.post(new Runnable() { 403315e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 403415e593ea3575512d7072240d1db9d74fad8749a3George Mount public void run() { 403515e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 403615e593ea3575512d7072240d1db9d74fad8749a3George Mount } 403715e593ea3575512d7072240d1db9d74fad8749a3George Mount }); 403815e593ea3575512d7072240d1db9d74fad8749a3George Mount } else { 403915e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 404015e593ea3575512d7072240d1db9d74fad8749a3George Mount } 404115e593ea3575512d7072240d1db9d74fad8749a3George Mount super.onAnimationEnd(animation); 404215e593ea3575512d7072240d1db9d74fad8749a3George Mount } 404315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 404415e593ea3575512d7072240d1db9d74fad8749a3George Mount 404515e593ea3575512d7072240d1db9d74fad8749a3George Mount /** 404615e593ea3575512d7072240d1db9d74fad8749a3George Mount * Set the layer type to LAYER_TYPE_HARDWARE while an animator is running. 404715e593ea3575512d7072240d1db9d74fad8749a3George Mount */ 404815e593ea3575512d7072240d1db9d74fad8749a3George Mount private static class AnimatorOnHWLayerIfNeededListener extends AnimatorListenerAdapter { 404915e593ea3575512d7072240d1db9d74fad8749a3George Mount View mView; 405015e593ea3575512d7072240d1db9d74fad8749a3George Mount 405115e593ea3575512d7072240d1db9d74fad8749a3George Mount AnimatorOnHWLayerIfNeededListener(final View v) { 405215e593ea3575512d7072240d1db9d74fad8749a3George Mount mView = v; 405315e593ea3575512d7072240d1db9d74fad8749a3George Mount } 405415e593ea3575512d7072240d1db9d74fad8749a3George Mount 405515e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 405615e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationStart(Animator animation) { 405715e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_HARDWARE, null); 405815e593ea3575512d7072240d1db9d74fad8749a3George Mount } 405915e593ea3575512d7072240d1db9d74fad8749a3George Mount 406015e593ea3575512d7072240d1db9d74fad8749a3George Mount @Override 406115e593ea3575512d7072240d1db9d74fad8749a3George Mount public void onAnimationEnd(Animator animation) { 406215e593ea3575512d7072240d1db9d74fad8749a3George Mount mView.setLayerType(View.LAYER_TYPE_NONE, null); 406315e593ea3575512d7072240d1db9d74fad8749a3George Mount animation.removeListener(this); 406415e593ea3575512d7072240d1db9d74fad8749a3George Mount } 406515e593ea3575512d7072240d1db9d74fad8749a3George Mount } 4066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 4067