FragmentManager.java revision 0765353c002bfdf681c982565810aa4be3499dd0
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 219277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 2336bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powellimport android.content.res.Resources.NotFoundException; 240f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.content.res.TypedArray; 255e63ab9505a3a4d11374cbbec418c1aba921409dChris Banesimport android.os.Build; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 3003526560f132021f8fd7290259762ab362d4d567Doris Liuimport android.support.annotation.CallSuper; 31a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbyeimport android.support.annotation.IdRes; 32c39d9c75590eca86a5e7e32a8824ba04a0d42e9bAlan Viveretteimport android.support.annotation.RestrictTo; 33a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbyeimport android.support.annotation.StringRes; 341802bf381380809e224c72008a400715e2e375b4Adam Powellimport android.support.v4.os.BuildCompat; 350bb3f19c91311de0b6619c7728a7bcc1f6863132George Mountimport android.support.v4.util.ArraySet; 36cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 37cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 38267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport android.support.v4.util.Pair; 39bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banesimport android.support.v4.view.LayoutInflaterFactory; 405e63ab9505a3a4d11374cbbec418c1aba921409dChris Banesimport android.support.v4.view.ViewCompat; 410f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powellimport android.util.AttributeSet; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 44267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport android.view.LayoutInflater; 45990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.Menu; 46990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuInflater; 47990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.MenuItem; 48990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.View; 49990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.ViewGroup; 509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 519277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 52cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 53990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mountimport android.view.animation.Animation.AnimationListener; 549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 55cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 579277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 59cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 62d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liuimport java.lang.reflect.Field; 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 6543db3168ca4a4d309f059363054ba60bc22a9ef3George Mountimport java.util.Collection; 6696221034e4a23a2abb83f772a0281bb197ac5ac0George Mountimport java.util.Collections; 673a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brownimport java.util.List; 68267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powellimport java.util.concurrent.CopyOnWriteArrayList; 69267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 70cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 749dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * to switch to the framework's implementation. See the framework {@link FragmentManager} 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 769dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * 779dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * <p>Your activity must derive from {@link FragmentActivity} to use this. From such an activity, 789dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * you can acquire the {@link FragmentManager} by calling 799dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * {@link FragmentActivity#getSupportFragmentManager}. 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 81cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 82cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 83cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 84cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 85cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 86cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 87fd28b81e0501d11989a8ad095c1a54619000df19Aurimas Liutikas * FragmentManager.getBackStackEntryAt()}. 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1022a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 1032a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 1042a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 1052a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 1062a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 1072a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 1082a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 112a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 119a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye @StringRes 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 148dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 160d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette /** 161d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @hide -- remove once prebuilts are in. 162d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette * @deprecated 163d805095048f6be52cddbd572ee343c4639ba8187Alan Viverette */ 1648e10080c914d1ad0784394fa3026b85535535847Aurimas Liutikas @RestrictTo(LIBRARY_GROUP) 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 169dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1791500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * <p>If you are committing a single transaction that does not modify the 1801500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * fragment back stack, strongly consider using 1811500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * {@link FragmentTransaction#commitNow()} instead. This can help avoid 1821500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * unwanted side effects when other code in your app has pending committed 1831500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * transactions that expect different timing.</p> 184990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 185990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This also forces the start of any postponed Transactions where 186990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#postponeEnterTransition()} has been called. 1871500716b2257e9f442606fe5bd992ab4e0198dcbAdam Powell * 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 201a3ff3273e976adf19770651dcf473fa67b38eb22Tor Norbye public abstract Fragment findFragmentById(@IdRes int id); 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 234990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 245dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 257990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 267dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas * 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 281990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * afterwards without forcing the start of postponed Transactions. 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 33243db3168ca4a4d309f059363054ba60bc22a9ef3George Mount * Get a collection of all fragments that are currently added to the FragmentManager. 33396221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This may include those that are hidden as well as those that are shown. 33496221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * This will not include any fragments only in the back stack, or fragments that 33596221034e4a23a2abb83f772a0281bb197ac5ac0George Mount * are detached or removed. 3363a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * 33743db3168ca4a4d309f059363054ba60bc22a9ef3George Mount * @return A collection of all fragments that are added to the FragmentManager. 338de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount * @hide 3393a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown */ 340de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount @RestrictTo(LIBRARY_GROUP) 341de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount public abstract List<Fragment> getFragments(); 342de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount 343de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount /** 344de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount * This is here temporarily while migrating applications. DO NOT USE. 345de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount * @hide 346de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount */ 347de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount @RestrictTo(LIBRARY_GROUP) 348de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount public abstract Collection<Fragment> getAddedFragments(); 3493a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 3503a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown /** 3515c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 3525c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 3535c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 3545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 3555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3685c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3695c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 37501df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * Returns true if the final {@link android.app.Activity#onDestroy() Activity.onDestroy()} 37601df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler * call has been made on the FragmentManager's Activity, so this instance is now dead. 37701df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler */ 37801df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public abstract boolean isDestroyed(); 37901df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 38001df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler /** 381267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Registers a {@link FragmentLifecycleCallbacks} to listen to fragment lifecycle events 382267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * happening in this FragmentManager. All registered callbacks will be automatically 383267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * unregistered when this FragmentManager is destroyed. 384267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 385267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to register 386267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param recursive true to automatically register this callback for all child FragmentManagers 387267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 388267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 389267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive); 390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 392267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Unregisters a previously registered {@link FragmentLifecycleCallbacks}. If the callback 393267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * was not previously registered this call has no effect. All registered callbacks will be 394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * automatically unregistered when this FragmentManager is destroyed. 395267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 396267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param cb Callbacks to unregister 397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public abstract void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb); 399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 400267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 418267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 419267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 420267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Callback interface for listening to fragment state changes that happen 421267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * within a given FragmentManager. 422267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 423f745fbe6f2eff2e4a771765cb80270c3685b18fdAdam Powell public abstract static class FragmentLifecycleCallbacks { 424267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 425267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called right before the fragment's {@link Fragment#onAttach(Context)} method is called. 426267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * This is a good time to inject any required dependencies for the fragment before any of 427267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * the fragment's lifecycle methods are invoked. 428267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 429267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 431267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment is being attached to 432267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 433267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPreAttached(FragmentManager fm, Fragment f, Context context) {} 434267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 435267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 436267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has been attached to its host. Its host will have had 437267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * <code>onAttachFragment</code> called before this call happens. 438267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 439267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 440267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 441267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param context Context that the Fragment was attached to 442267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 443267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentAttached(FragmentManager fm, Fragment f, Context context) {} 444267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 445267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 446267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 447267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onCreate(Bundle)}. This will only happen once for any given 448267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 449267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 450267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 451267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 452267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 453267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 454267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentCreated(FragmentManager fm, Fragment f, Bundle savedInstanceState) {} 455267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 456267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 457267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 458267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onActivityCreated(Bundle)}. This will only happen once for any given 459267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * fragment instance, though the fragment may be attached and detached multiple times. 460267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 461267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 462267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 463267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 464267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 465267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentActivityCreated(FragmentManager fm, Fragment f, 466267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 467267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 468267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 469267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned a non-null view from the FragmentManager's 470267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * request to {@link Fragment#onCreateView(LayoutInflater, ViewGroup, Bundle)}. 471267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 472267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 473267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment that created and owns the view 474267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param v View returned by the fragment 475267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param savedInstanceState Saved instance bundle from a previous instance 476267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 477267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewCreated(FragmentManager fm, Fragment f, View v, 478267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell Bundle savedInstanceState) {} 479267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 480267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 481267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 482267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStart()}. 483267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 484267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 485267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 486267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 487267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStarted(FragmentManager fm, Fragment f) {} 488267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 489267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 490267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 491267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onResume()}. 492267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 493267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 494267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 495267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 496267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentResumed(FragmentManager fm, Fragment f) {} 497267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 498267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 499267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 500267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onPause()}. 501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 502267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 503267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 504267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 505267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentPaused(FragmentManager fm, Fragment f) {} 506267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 508267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 509267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onStop()}. 510267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 511267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 512267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 513267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 514267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentStopped(FragmentManager fm, Fragment f) {} 515267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 516267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 517267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 518267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onSaveInstanceState(Bundle)}. 519267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 520267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 521267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 522267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param outState Saved state bundle for the fragment 523267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 524267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentSaveInstanceState(FragmentManager fm, Fragment f, Bundle outState) {} 525267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 526267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell /** 527267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * Called after the fragment has returned from the FragmentManager's call to 528267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * {@link Fragment#onDestroyView()}. 529267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 530267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 531267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 532267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 533267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentViewDestroyed(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#onDestroy()}. 538267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 539267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 540267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 541267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 542267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDestroyed(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#onDetach()}. 547267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * 548267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param fm Host FragmentManager 549267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell * @param f Fragment changing state 550267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell */ 551267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void onFragmentDetached(FragmentManager fm, Fragment f) {} 552267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 55990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex; 560dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 563dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 56890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mNextFragmentIndex = in.readInt(); 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 57090ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 57190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 57690ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 58190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount dest.writeInt(mNextFragmentIndex); 582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 583dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 58690ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 59090ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 59190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 601bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banesfinal class FragmentManagerImpl extends FragmentManager implements LayoutInflaterFactory { 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 604dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 605681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 606681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 61079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 61203526560f132021f8fd7290259762ab362d4d567Doris Liu static class AnimateOnHWLayerIfNeededListener implements AnimationListener { 613c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas private AnimationListener mOriginalListener; 6141802bf381380809e224c72008a400715e2e375b4Adam Powell private boolean mShouldRunOnHWLayer; 615dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas View mView; 6161802bf381380809e224c72008a400715e2e375b4Adam Powell 61703526560f132021f8fd7290259762ab362d4d567Doris Liu public AnimateOnHWLayerIfNeededListener(final View v, Animation anim) { 61803526560f132021f8fd7290259762ab362d4d567Doris Liu if (v == null || anim == null) { 61903526560f132021f8fd7290259762ab362d4d567Doris Liu return; 62003526560f132021f8fd7290259762ab362d4d567Doris Liu } 62103526560f132021f8fd7290259762ab362d4d567Doris Liu mView = v; 62203526560f132021f8fd7290259762ab362d4d567Doris Liu } 62303526560f132021f8fd7290259762ab362d4d567Doris Liu 624d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu public AnimateOnHWLayerIfNeededListener(final View v, Animation anim, 625d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu AnimationListener listener) { 626d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu if (v == null || anim == null) { 627d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu return; 628d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 629c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas mOriginalListener = listener; 630d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu mView = v; 6311802bf381380809e224c72008a400715e2e375b4Adam Powell mShouldRunOnHWLayer = true; 632d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 633d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu 63403526560f132021f8fd7290259762ab362d4d567Doris Liu @Override 63503526560f132021f8fd7290259762ab362d4d567Doris Liu @CallSuper 63603526560f132021f8fd7290259762ab362d4d567Doris Liu public void onAnimationStart(Animation animation) { 637c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas if (mOriginalListener != null) { 638c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas mOriginalListener.onAnimationStart(animation); 63903526560f132021f8fd7290259762ab362d4d567Doris Liu } 64003526560f132021f8fd7290259762ab362d4d567Doris Liu } 64103526560f132021f8fd7290259762ab362d4d567Doris Liu 64203526560f132021f8fd7290259762ab362d4d567Doris Liu @Override 64303526560f132021f8fd7290259762ab362d4d567Doris Liu @CallSuper 64403526560f132021f8fd7290259762ab362d4d567Doris Liu public void onAnimationEnd(Animation animation) { 645d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu if (mView != null && mShouldRunOnHWLayer) { 6461802bf381380809e224c72008a400715e2e375b4Adam Powell // If we're attached to a window, assume we're in the normal performTraversals 6471802bf381380809e224c72008a400715e2e375b4Adam Powell // drawing path for Animations running. It's not safe to change the layer type 6481802bf381380809e224c72008a400715e2e375b4Adam Powell // during drawing, so post it to the View to run later. If we're not attached 6491802bf381380809e224c72008a400715e2e375b4Adam Powell // or we're running on N and above, post it to the view. If we're not on N and 6501802bf381380809e224c72008a400715e2e375b4Adam Powell // not attached, do it right now since existing platform versions don't run the 6511802bf381380809e224c72008a400715e2e375b4Adam Powell // hwui renderer for detached views off the UI thread making changing layer type 6521802bf381380809e224c72008a400715e2e375b4Adam Powell // safe, but posting may not be. 6531802bf381380809e224c72008a400715e2e375b4Adam Powell // Prior to N posting to a detached view from a non-Looper thread could cause 6541802bf381380809e224c72008a400715e2e375b4Adam Powell // leaks, since the thread-local run queue on a non-Looper thread would never 6551802bf381380809e224c72008a400715e2e375b4Adam Powell // be flushed. 6561802bf381380809e224c72008a400715e2e375b4Adam Powell if (ViewCompat.isAttachedToWindow(mView) || BuildCompat.isAtLeastN()) { 6571802bf381380809e224c72008a400715e2e375b4Adam Powell mView.post(new Runnable() { 6581802bf381380809e224c72008a400715e2e375b4Adam Powell @Override 6591802bf381380809e224c72008a400715e2e375b4Adam Powell public void run() { 6601802bf381380809e224c72008a400715e2e375b4Adam Powell ViewCompat.setLayerType(mView, ViewCompat.LAYER_TYPE_NONE, null); 6611802bf381380809e224c72008a400715e2e375b4Adam Powell } 6621802bf381380809e224c72008a400715e2e375b4Adam Powell }); 6631802bf381380809e224c72008a400715e2e375b4Adam Powell } else { 6641802bf381380809e224c72008a400715e2e375b4Adam Powell ViewCompat.setLayerType(mView, ViewCompat.LAYER_TYPE_NONE, null); 6651802bf381380809e224c72008a400715e2e375b4Adam Powell } 66603526560f132021f8fd7290259762ab362d4d567Doris Liu } 667c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas if (mOriginalListener != null) { 668c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas mOriginalListener.onAnimationEnd(animation); 669d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 67003526560f132021f8fd7290259762ab362d4d567Doris Liu } 67103526560f132021f8fd7290259762ab362d4d567Doris Liu 67203526560f132021f8fd7290259762ab362d4d567Doris Liu @Override 67303526560f132021f8fd7290259762ab362d4d567Doris Liu public void onAnimationRepeat(Animation animation) { 674c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas if (mOriginalListener != null) { 675c9a859537b0871f84afeeb706a5b425fe3f2b4ddAurimas Liutikas mOriginalListener.onAnimationRepeat(animation); 676d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 67703526560f132021f8fd7290259762ab362d4d567Doris Liu } 67803526560f132021f8fd7290259762ab362d4d567Doris Liu } 67903526560f132021f8fd7290259762ab362d4d567Doris Liu 680990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<OpGenerator> mPendingActions; 681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 682dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 68390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int mNextFragmentIndex = 0; 68490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 68690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount SparseArray<Fragment> mActive; 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 689dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 695267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell private CopyOnWriteArrayList<Pair<FragmentLifecycleCallbacks, Boolean>> mLifecycleCallbacks; 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 6988491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy FragmentHostCallback mHost; 6990adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer mContainer; 7000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment mParent; 701d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu 702d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu static Field sAnimationListenerField = null; 703dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 70879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 709dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 710990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Temporary vars for optimizing execution of BackStackRecords: 711990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> mTmpRecords; 712990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> mTmpIsPop; 713990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Fragment> mTmpAddedFragments; 714990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 718dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 719990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Postponed transactions. 720990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<StartEnterTransitionListener> mPostponedTransactions; 721990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 72903526560f132021f8fd7290259762ab362d4d567Doris Liu static boolean modifiesAlpha(Animation anim) { 73003526560f132021f8fd7290259762ab362d4d567Doris Liu if (anim instanceof AlphaAnimation) { 73103526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 73203526560f132021f8fd7290259762ab362d4d567Doris Liu } else if (anim instanceof AnimationSet) { 73303526560f132021f8fd7290259762ab362d4d567Doris Liu List<Animation> anims = ((AnimationSet) anim).getAnimations(); 73403526560f132021f8fd7290259762ab362d4d567Doris Liu for (int i = 0; i < anims.size(); i++) { 73503526560f132021f8fd7290259762ab362d4d567Doris Liu if (anims.get(i) instanceof AlphaAnimation) { 73603526560f132021f8fd7290259762ab362d4d567Doris Liu return true; 73703526560f132021f8fd7290259762ab362d4d567Doris Liu } 73803526560f132021f8fd7290259762ab362d4d567Doris Liu } 73903526560f132021f8fd7290259762ab362d4d567Doris Liu } 74003526560f132021f8fd7290259762ab362d4d567Doris Liu return false; 74103526560f132021f8fd7290259762ab362d4d567Doris Liu } 74203526560f132021f8fd7290259762ab362d4d567Doris Liu 74303526560f132021f8fd7290259762ab362d4d567Doris Liu static boolean shouldRunOnHWLayer(View v, Animation anim) { 744b8d65fef161c7cd4bb06dc97685cf3fb3d6c3e1aChris Banes return Build.VERSION.SDK_INT >= 19 745410d77a6fbe42b0784cccd046bb8958caa723035Chris Banes && ViewCompat.getLayerType(v) == ViewCompat.LAYER_TYPE_NONE 74603526560f132021f8fd7290259762ab362d4d567Doris Liu && ViewCompat.hasOverlappingRendering(v) 74703526560f132021f8fd7290259762ab362d4d567Doris Liu && modifiesAlpha(anim); 74803526560f132021f8fd7290259762ab362d4d567Doris Liu } 74903526560f132021f8fd7290259762ab362d4d567Doris Liu 75013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn private void throwException(RuntimeException ex) { 75113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, ex.getMessage()); 752ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 75313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn LogWriter logw = new LogWriter(TAG); 75413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn PrintWriter pw = new PrintWriter(logw); 755d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) { 756ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 7578491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onDump(" ", null, pw, new String[] { }); 758ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 759ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 760ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 761ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 762ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 76313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn dump(" ", null, pw, new String[] { }); 764ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 76513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, "Failed dumping state", e); 766ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 767ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 76813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throw ex; 769ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 770ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 778990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean updates = execPendingActions(); 779990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 780990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return updates; 781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 785990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, -1, 0), false); 786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 791990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, -1, 0); 792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 796990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(name, -1, flags), false); 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 802990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(name, -1, flags); 803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 810990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount enqueueAction(new PopBackStackState(null, id, flags), false); 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 816990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 820990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackImmediate(null, id, flags); 821990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 822990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 823990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 824990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Used by all public popBackStackImmediate methods, this executes pending transactions and 825990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * returns true if the pop action did anything, regardless of what other pending 826990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions did. 827990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 828990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if the pop operation did anything or false otherwise. 829990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 830990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean popBackStackImmediate(String name, int id, int flags) { 831990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount execPendingActions(); 832990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(true); 833990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 834990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean executePop = popBackStackState(mTmpRecords, mTmpIsPop, name, id, flags); 835990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (executePop) { 836990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 837990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 838990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount optimizeAndExecuteOps(mTmpRecords, mTmpIsPop); 839990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 840990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 841990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 842990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 843990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 844990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount doPendingDeferredStart(); 84590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 846990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return executePop; 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 87713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragment " + fragment 87813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 8912b336307cf98ca5142db6736812178293d47c500Cyril Mottier throwException(new IllegalStateException("Fragment no longer exists for key " 89213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 898de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount public List<Fragment> getFragments() { 899de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount if (mActive == null) { 900de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount return null; 901de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount } 902de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount ArrayList<Fragment> fragments = new ArrayList<>(mActive.size()); 903de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount for (int i = 0; i < mActive.size(); i++) { 904de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount Fragment fragment = mActive.valueAt(i); 905de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount if (fragment != null) { 906de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount fragments.add(fragment); 907de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount } 908de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount } 909de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount return fragments; 910de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount } 911de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount 912de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount @Override 913de7e27c0d3d1477fed1e3b1150411797f682cc21George Mount public Collection<Fragment> getAddedFragments() { 91496221034e4a23a2abb83f772a0281bb197ac5ac0George Mount if (mAdded == null) { 91596221034e4a23a2abb83f772a0281bb197ac5ac0George Mount return Collections.EMPTY_LIST; 91696221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 91796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 91843db3168ca4a4d309f059363054ba60bc22a9ef3George Mount return (Collection<Fragment>) mAdded.clone(); 91996221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 9203a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown } 9213a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 92290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 92390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * This is used by FragmentController to get the Active fragments. 92490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 92590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return A list of active fragments in the fragment manager, including those that are in the 92690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * back stack. 92790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 92890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount List<Fragment> getActiveFragments() { 92990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 93090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return null; 93190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount final int count = mActive.size(); 93390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount ArrayList<Fragment> fragments = new ArrayList<>(count); 93490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = 0; i < count; i++) { 93590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fragments.add(mActive.valueAt(i)); 93690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return fragments; 93890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 93990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 94090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 94190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * Used by FragmentController to get the number of Active Fragments. 94290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * 94390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * @return The number of active fragments. 94490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 94590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount int getActiveFragmentCount() { 94690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 94790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return 0; 94890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 94990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount return mActive.size(); 95090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 95190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 9523a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown @Override 9535c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 9545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 95513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException( new IllegalStateException("Fragment " + fragment 95613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 9575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 9595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 9605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 9615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 9635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 9645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 9655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 96601df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler public boolean isDestroyed() { 96701df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler return mDestroyed; 96801df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler } 96901df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler 97001df737703cceecc6b3a319ca0ee0bd64415f1cfTony Mantler @Override 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 9760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 9770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mParent, sb); 9780adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } else { 979d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy DebugUtils.buildShortClassTag(mHost, sb); 9800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 99790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1068990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount OpGenerator r = mPendingActions.get(i); 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 1076d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy writer.print(prefix); writer.print(" mHost="); writer.println(mHost); 10770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mContainer="); writer.println(mContainer); 10780adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 10790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mParent="); writer.println(mParent); 10800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 10949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 10959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 10969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 10979277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 1098dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 10999277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 1100dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 11019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 11029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 11039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 11049277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 11059277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 11069277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 11079277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 11089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 11099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 11109277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 11119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 11129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 11139277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 11149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1115dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 11169277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 11179277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 11189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 11199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 11209277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 11219277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 112203526560f132021f8fd7290259762ab362d4d567Doris Liu 11239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 1125990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Animation animObj = fragment.onCreateAnimation(transit, enter, fragment.getNextAnim()); 1126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1129dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1130990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.getNextAnim() != 0) { 1131990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Animation anim = AnimationUtils.loadAnimation(mHost.getContext(), 1132990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.getNextAnim()); 1133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1137dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1141dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 114603526560f132021f8fd7290259762ab362d4d567Doris Liu 11479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 11489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 1149d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.125f, 1.0f, 0, 1); 11509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 1151d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, .975f, 1, 0); 11529277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 1153d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), .975f, 1.0f, 0, 1); 11549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 1155d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeOpenCloseAnimation(mHost.getContext(), 1.0f, 1.075f, 1, 0); 11569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 1157d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 0, 1); 11589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 1159d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy return makeFadeAnimation(mHost.getContext(), 1, 0); 11609277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 1161dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 11628491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (transitionStyle == 0 && mHost.onHasWindowAnimations()) { 11638491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy transitionStyle = mHost.onGetWindowAnimations(); 1164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 1166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1168dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 1172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 1173dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 1176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 1177dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 1179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1181dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1182abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 1183abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 118479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 118579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 118679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 118779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 118879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1189abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 11905506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1191abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1192abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1193abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 119403526560f132021f8fd7290259762ab362d4d567Doris Liu /** 119503526560f132021f8fd7290259762ab362d4d567Doris Liu * Sets the to be animated view on hardware layer during the animation. Note 119603526560f132021f8fd7290259762ab362d4d567Doris Liu * that calling this will replace any existing animation listener on the animation 119703526560f132021f8fd7290259762ab362d4d567Doris Liu * with a new one, as animations do not support more than one listeners. Therefore, 119803526560f132021f8fd7290259762ab362d4d567Doris Liu * animations that already have listeners should do the layer change operations 119903526560f132021f8fd7290259762ab362d4d567Doris Liu * in their existing listeners, rather than calling this function. 120003526560f132021f8fd7290259762ab362d4d567Doris Liu */ 120103526560f132021f8fd7290259762ab362d4d567Doris Liu private void setHWLayerAnimListenerIfAlpha(final View v, Animation anim) { 120203526560f132021f8fd7290259762ab362d4d567Doris Liu if (v == null || anim == null) { 120303526560f132021f8fd7290259762ab362d4d567Doris Liu return; 120403526560f132021f8fd7290259762ab362d4d567Doris Liu } 120503526560f132021f8fd7290259762ab362d4d567Doris Liu if (shouldRunOnHWLayer(v, anim)) { 1206d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu AnimationListener originalListener = null; 1207d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu try { 1208d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu if (sAnimationListenerField == null) { 1209d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu sAnimationListenerField = Animation.class.getDeclaredField("mListener"); 1210d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu sAnimationListenerField.setAccessible(true); 1211d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 1212d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu originalListener = (AnimationListener) sAnimationListenerField.get(anim); 1213d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } catch (NoSuchFieldException e) { 1214d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu Log.e(TAG, "No field with the name mListener is found in Animation class", e); 1215d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } catch (IllegalAccessException e) { 1216d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu Log.e(TAG, "Cannot access Animation's mListener field", e); 1217d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu } 1218d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu // If there's already a listener set on the animation, we need wrap the new listener 1219d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu // around the existing listener, so that they will both get animation listener 1220d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu // callbacks. 12211802bf381380809e224c72008a400715e2e375b4Adam Powell ViewCompat.setLayerType(v, ViewCompat.LAYER_TYPE_HARDWARE, null); 1222d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu anim.setAnimationListener(new AnimateOnHWLayerIfNeededListener(v, anim, 1223d02828a3781590e76fe86f2bf4ae8fbff4f5e2bdDoris Liu originalListener)); 122403526560f132021f8fd7290259762ab362d4d567Doris Liu } 122503526560f132021f8fd7290259762ab362d4d567Doris Liu } 122603526560f132021f8fd7290259762ab362d4d567Doris Liu 1227fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell boolean isStateAtLeast(int state) { 1228fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell return mCurState >= state; 1229fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell } 1230fd15fbacc1d0cb92f2edf72137e4940be2547aa4Adam Powell 12315506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 12325506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 1233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 123474c671b3b67000bf16b4865a8d361344310dccbeDianne Hackborn if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { 1235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 1236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12372c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 12382c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn // While removing a fragment, we can't change it to a higher state. 12392c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = f.mState; 12402c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 12416cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 12426cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 12436cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 1244abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 1245abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 12479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 12489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 12499277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 12509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 12519277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 1252dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas } 1253990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.getAnimatingAway() != null) { 1254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 1255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 1256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 1257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 1258990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 1259990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, f.getStateAfterAnimating(), 0, 0, true); 1260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 1263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 1264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 1265d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy f.mSavedFragmentState.setClassLoader(mHost.getContext().getClassLoader()); 1266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 1267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 1270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 127479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 127579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 127679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 127779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mDeferStart = true; 127879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (newState > Fragment.STOPPED) { 127979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell newState = Fragment.STOPPED; 128079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 128179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1283d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy f.mHost = mHost; 12840adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mParentFragment = mParent; 12850adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mFragmentManager = mParent != null 1286d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy ? mParent.mChildFragmentManager : mHost.getFragmentManagerImpl(); 1287267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentPreAttached(f, mHost.getContext(), false); 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1289b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy f.onAttach(mHost.getContext()); 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12940adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.mParentFragment == null) { 1295b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy mHost.onAttachFragment(f); 1296cef09fee2126f901aa164f6e89c370ab81cff1b3Adam Powell } else { 1297cef09fee2126f901aa164f6e89c370ab81cff1b3Adam Powell f.mParentFragment.onAttachFragment(f); 12980adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1299267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentAttached(f, mHost.getContext(), false); 13000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 13020adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performCreate(f.mSavedFragmentState); 1303267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentCreated(f, f.mSavedFragmentState, false); 13049375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell } else { 13059375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell f.restoreChildFragmentState(f.mSavedFragmentState); 13069375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell f.mState = Fragment.CREATED; 1307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 1312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 1313412addbcb02eb52d1238040e8b0720c12fd2a97fGeorge Mount f.mView = f.performCreateView(f.onGetLayoutInflater( 1314832e5fdbe5416d03dbc4787951f01d91b2c17478George Mount f.mSavedFragmentState), null, f.mSavedFragmentState); 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 13175e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes if (Build.VERSION.SDK_INT >= 11) { 13185e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes ViewCompat.setSaveFromParentEnabled(f.mView, false); 13195e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes } else { 13205e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes f.mView = NoSaveStateFrameLayout.wrap(f.mView); 13215e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes } 1322715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 1323e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 1324267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, false); 1325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 1331e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 1332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 1333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 1334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 133536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell if (f.mContainerId == View.NO_ID) { 133636bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell throwException(new IllegalArgumentException( 133736bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell "Cannot create fragment " 133836bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + f 133936bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + " for a container view with no id")); 134036bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 134136bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell container = (ViewGroup) mContainer.onFindViewById(f.mContainerId); 1342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 134336bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell String resName; 134436bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell try { 134536bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = f.getResources().getResourceName(f.mContainerId); 134636bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } catch (NotFoundException e) { 134736bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell resName = "unknown"; 134836bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell } 134913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalArgumentException( 135013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No view found for id 0x" 135113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 135236bd1e9880a74cc53edef99040bbb24fc1cad909Adam Powell + resName 135313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + ") for fragment " + f)); 1354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 1357412addbcb02eb52d1238040e8b0720c12fd2a97fGeorge Mount f.mView = f.performCreateView(f.onGetLayoutInflater( 1358832e5fdbe5416d03dbc4787951f01d91b2c17478George Mount f.mSavedFragmentState), container, f.mSavedFragmentState); 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 13615e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes if (Build.VERSION.SDK_INT >= 11) { 13625e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes ViewCompat.setSaveFromParentEnabled(f.mView, false); 13635e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes } else { 13645e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes f.mView = NoSaveStateFrameLayout.wrap(f.mView); 13655e63ab9505a3a4d11374cbbec418c1aba921409dChris Banes } 1366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 1368990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1369990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHidden) { 1370990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mView.setVisibility(View.GONE); 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1372e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 1373267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewCreated(f, f.mView, f.mSavedFragmentState, 1374267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell false); 1375aa3a5538c003c6098185d1c948e22054e2f27488George Mount // Only animate the view if it is visible. This is done after 1376aa3a5538c003c6098185d1c948e22054e2f27488George Mount // dispatchOnFragmentViewCreated in case visibility is changed 1377aa3a5538c003c6098185d1c948e22054e2f27488George Mount f.mIsNewlyAdded = (f.mView.getVisibility() == View.VISIBLE) 1378aa3a5538c003c6098185d1c948e22054e2f27488George Mount && f.mContainer != null; 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 13830adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 13840adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performActivityCreated(f.mSavedFragmentState); 1385267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentActivityCreated(f, f.mSavedFragmentState, false); 1386e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 13870adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.restoreViewState(f.mSavedFragmentState); 1388e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 13929375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell if (newState > Fragment.ACTIVITY_CREATED) { 13939375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell f.mState = Fragment.STOPPED; 13949375145b63d854c64aad99e6e50c5b7e5ba32b95Adam Powell } 1395e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1396e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 13989c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 1399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStarted(f, false); 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 1403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 14040adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performResume(); 1405267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentResumed(f, false); 14064e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 14074e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 1408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 14150adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performPause(); 1416267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentPaused(f, false); 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 1422267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentStopped(f, false); 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1424e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 1425218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 1426218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 1427218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 1428218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 1430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 1431e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 1432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 14358491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy if (mHost.onShouldSaveFragmentState(f) && f.mSavedViewState == null) { 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 14399c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 1440267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentViewDestroyed(f, false); 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 1443990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState > Fragment.INITIALIZING && !mDestroyed 14440bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mView.getVisibility() == View.VISIBLE 14450bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && f.mPostponedAlpha >= 0) { 14469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 14490bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0; 1450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 1452990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(f.mView); 1453990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setStateAfterAnimating(newState); 145403526560f132021f8fd7290259762ab362d4d567Doris Liu final View viewToAnimate = f.mView; 145503526560f132021f8fd7290259762ab362d4d567Doris Liu anim.setAnimationListener(new AnimateOnHWLayerIfNeededListener( 145603526560f132021f8fd7290259762ab362d4d567Doris Liu viewToAnimate, anim) { 1457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 145903526560f132021f8fd7290259762ab362d4d567Doris Liu super.onAnimationEnd(animation); 1460990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.getAnimatingAway() != null) { 1461990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.setAnimatingAway(null); 1462990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(fragment, fragment.getStateAfterAnimating(), 14635506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn 0, 0, false); 1464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 14679277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 14698aa950177d9290b005f0817485f241ddc41c8026George Mount f.mContainer.removeView(f.mView); 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 1478990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.getAnimatingAway() != null) { 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 1482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 1484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 1485990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount View v = f.getAnimatingAway(); 1486990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setAnimatingAway(null); 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1490990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.getAnimatingAway() != null) { 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1495990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.setStateAfterAnimating(newState); 14962c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 15000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performDestroy(); 1501267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDestroyed(f, false); 150220735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } else { 1503b054427688e7cf0475bec09da9a3fb7688881459Adam Powell f.mState = Fragment.INITIALIZING; 1504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1506916455675ddb34d0eb848b2355550268d82c3ce7Adam Powell f.performDetach(); 1507267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentDetached(f, false); 15085506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 15095506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 15105506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 15115506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 1512d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy f.mHost = null; 15136252d78085a07c9d6bb4645a4e8086bf23b0a49aTim Kilbourn f.mParentFragment = null; 15145506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 15155506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 15162c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 152120735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell 152220735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell if (f.mState != newState) { 152320735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell Log.w(TAG, "moveToState: Fragment state for " + f + " not updated inline; " 152420735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell + "expected state " + newState + " found " + f.mState); 152520735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell f.mState = newState; 152620735a45289fdad3d5d31228992e0dccd3d5dd4fAdam Powell } 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1528dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 15305506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1533990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1534990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Fragments that have been shown or hidden don't have their visibility changed or 1535990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * animations run during the {@link #showFragment(Fragment)} or {@link #hideFragment(Fragment)} 1536990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * calls. After fragments are brought to their final state in 1537990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #moveFragmentToExpectedState(Fragment)} the fragments that have been shown or 1538990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * hidden must have their visibility changed and their animations started here. 1539990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1540990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment with mHiddenChanged = true that should change its View's 1541990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * visibility and start the show or hide animation. 1542990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1543990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void completeShowHideFragment(final Fragment fragment) { 1544990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null) { 1545990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Animation anim = loadAnimation(fragment, fragment.getNextTransition(), 1546990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount !fragment.mHidden, fragment.getNextTransitionStyle()); 1547990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (anim != null) { 1548990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 1549990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mView.startAnimation(anim); 1550990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(fragment.mView, anim); 1551990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount anim.start(); 1552990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1553667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount final int visibility = fragment.mHidden && !fragment.isHideReplaced() 1554667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount ? View.GONE 1555667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount : View.VISIBLE; 1556990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mView.setVisibility(visibility); 1557667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount if (fragment.isHideReplaced()) { 1558667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount fragment.setHideReplaced(false); 1559667ec4150c78bf295b3db1fa4d546def9ade9d20George Mount } 1560990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1561990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1562990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNeedMenuInvalidate = true; 1563990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1564990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1565990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.onHiddenChanged(fragment.mHidden); 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1567dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1568990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1569990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Moves a fragment to its expected final state or the fragment manager's state, depending 1570990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * on whether the fragment manager's state is raised properly. 1571990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1572990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment to change. 1573990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1574990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount void moveFragmentToExpectedState(Fragment f) { 1575990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f == null) { 1576990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 1577990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1578990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int nextState = mCurState; 1579990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mRemoving) { 1580990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.isInBackStack()) { 158140e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.CREATED); 1582990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 158340e1750a5ed6cca1efb47e10af4db19abecd9fd5George Mount nextState = Math.min(nextState, Fragment.INITIALIZING); 1584990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1586990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(f, nextState, f.getNextTransition(), f.getNextTransitionStyle(), false); 15870adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1588990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mView != null) { 1589990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Move the view if it is out of order 1590990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = findFragmentUnder(f); 1591990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment != null) { 1592990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View underView = underFragment.mView; 1593990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // make sure this fragment is in the right order. 1594990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 1595990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int underIndex = container.indexOfChild(underView); 1596990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int viewIndex = container.indexOfChild(f.mView); 1597990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (viewIndex < underIndex) { 1598990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.removeViewAt(viewIndex); 1599990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount container.addView(f.mView, underIndex); 1600990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1601990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1602990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mIsNewlyAdded && f.mContainer != null) { 1603990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Make it visible and run the animations 16040bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) { 16050bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mView.setVisibility(View.VISIBLE); 16060bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } else if (f.mPostponedAlpha > 0f) { 16070bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mView.setAlpha(f.mPostponedAlpha); 16080bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 16090bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount f.mPostponedAlpha = 0f; 1610990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mIsNewlyAdded = false; 1611990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // run animations: 1612990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Animation anim = loadAnimation(f, f.getNextTransition(), true, 1613990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.getNextTransitionStyle()); 1614990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (anim != null) { 1615990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount setHWLayerAnimListenerIfAlpha(f.mView, anim); 1616990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount f.mView.startAnimation(anim); 1617990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1618990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1619990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1620990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mHiddenChanged) { 1621990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount completeShowHideFragment(f); 1622990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1623990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1624990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 162577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount /** 162677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * Changes the state of the fragment manager to {@code newState}. If the fragment manager 162777f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * changes state or {@code always} is {@code true}, any fragments within it have their 162877f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * states updated as well. 162977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * 163077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param newState The new state for the fragment manager 163177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * @param always If {@code true}, all fragments update their state, even 163277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount * if {@code newState} matches the current fragment manager's state. 163377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount */ 163477f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount void moveToState(int newState, boolean always) { 1635990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mHost == null && newState != Fragment.INITIALIZING) { 1636990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount throw new IllegalStateException("No activity"); 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 16380adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 163977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount if (!always && newState == mCurState) { 164077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount return; 164177f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount } 164277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount 1643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1644990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1646abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1647990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1648990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Must add them in the proper order. mActive fragments may be out of order 1649990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mAdded != null) { 1650990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = mAdded.size(); 1651990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 1652990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment f = mAdded.get(i); 1653990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveFragmentToExpectedState(f); 1654990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f.mLoaderManager != null) { 1655990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1656990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1657990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1658990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1659990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1660990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Now iterate through all active fragments. These will include those that are removed 1661990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // and detached. 1662990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 1663990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 166490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1665990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (f != null && (f.mRemoving || f.mDetached) && !f.mIsNewlyAdded) { 1666990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveFragmentToExpectedState(f); 1667abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1668abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1669abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1673abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1674abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1675abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1676abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1677d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mNeedMenuInvalidate && mHost != null && mCurState == Fragment.RESUMED) { 16788491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy mHost.onSupportInvalidateOptionsMenu(); 1679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1683abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1684abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 16851199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 16861199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1687abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 168890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1689abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1690abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1691abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1692abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1693abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1694dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1699dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 170090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.setIndex(mNextFragmentIndex++, mParent); 170190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive == null) { 170290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(); 1703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 170490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 1705be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1707dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1712dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1713be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 171490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // Don't remove yet. That happens in burpActive(). This prevents 171590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount // concurrent modification while iterating over mActive 171690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, null); 171790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 1718d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.inactivateFragment(f.mWho); 17199c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1721dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1727e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1728e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 17293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 17303a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 17313a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 173296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 173396221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 173496221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1735e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1736e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 1737990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView == null) { 1738990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = false; 1739990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 17402a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1741e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1742e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1743e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1744e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1745e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1748dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1749990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void removeFragment(Fragment fragment) { 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1751e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1752e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1753464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 175496221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 175596221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.remove(fragment); 175696221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1757464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 17582a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1759e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1760e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1761e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1762e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1765dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1766990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1767990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Marks a fragment as hidden to be later animated in with 1768990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #completeShowHideFragment(Fragment)}. 1769990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1770990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment to be shown. 1771990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1772990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void hideFragment(Fragment fragment) { 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1776990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Toggle hidden changed so that if a fragment goes through show/hide/show 1777990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // it doesn't go through the animation. 1778990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = !fragment.mHiddenChanged; 1779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1781dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1782990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1783990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Marks a fragment as shown to be later animated in with 1784990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link #completeShowHideFragment(Fragment)}. 1785990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 1786990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param fragment The fragment to be shown. 1787990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1788990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void showFragment(Fragment fragment) { 1789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1792990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Toggle hidden changed so that if a fragment goes through show/hide/show 1793990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // it doesn't go through the animation. 1794990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.mHiddenChanged = !fragment.mHiddenChanged; 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1797dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1798990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void detachFragment(Fragment fragment) { 1799e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1800e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1801e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1802e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1803e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1804464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 18053a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); 180696221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 180796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.remove(fragment); 180896221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1809464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 18102a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1811e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1812e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1813e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1814e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1815e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1816e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1817e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1818990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void attachFragment(Fragment fragment) { 1819e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1820e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1821e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1822e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1823464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded == null) { 1824464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1825464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 18263a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 18273a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 18283a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 18293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "add from attach: " + fragment); 183096221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 183196221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(fragment); 183296221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 1833e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 18342a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1835e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1836e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1837e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1838e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1839e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1840e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 184190ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 1842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1843464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1851464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1852464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 1853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 185590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 186390ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas 186490ac236504c1a4cac7e91f1ffc523334f2a8f399Aurimas Liutikas @Override 1865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1866464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null && tag != null) { 1867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1874464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1875464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 1876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 187890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 1879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1886dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 189090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 18910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null && (f=f.findFragmentByWho(who)) != null) { 1892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1898dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1910ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette /** 1911ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * Adds an action to the queue of pending actions. 1912ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * 1913ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param action the action to add 1914ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param allowStateLoss whether to allow loss of state information 1915ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @throws IllegalStateException if the activity has been destroyed 1916ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette */ 1917990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void enqueueAction(OpGenerator action, boolean allowStateLoss) { 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1922d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mDestroyed || mHost == null) { 1923875d9733f354fc93e72c7e8d849c9b5333950183George Mount if (allowStateLoss) { 1924875d9733f354fc93e72c7e8d849c9b5333950183George Mount // This FragmentManager isn't attached, so drop the entire transaction. 1925875d9733f354fc93e72c7e8d849c9b5333950183George Mount return; 1926875d9733f354fc93e72c7e8d849c9b5333950183George Mount } 1927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1930990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions = new ArrayList<>(); 1931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1933990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount scheduleCommit(); 1934990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1935990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 1936990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 1937990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 1938990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Schedules the execution when one hasn't been scheduled already. This should happen 1939990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the first time {@link #enqueueAction(OpGenerator, boolean)} is called or when 1940990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a postponed transaction has been started with 1941990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} 1942990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 1943990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void scheduleCommit() { 1944990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 1945990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean postponeReady = 1946990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions != null && !mPostponedTransactions.isEmpty(); 1947990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean pendingReady = mPendingActions != null && mPendingActions.size() == 1; 1948990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (postponeReady || pendingReady) { 1949d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().removeCallbacks(mExecCommit); 1950d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost.getHandler().post(mExecCommit); 1951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1954dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 1955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 2001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 2002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 2003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 2005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 2007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2011990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2012990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Broken out from exec*, this prepares for gathering and executing operations. 2013990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2014990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param allowStateLoss true if state loss should be ignored or false if it should be 2015990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * checked. 2016990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2017990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void ensureExecReady(boolean allowStateLoss) { 2018e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell if (mExecutingActions) { 2019e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell throw new IllegalStateException("FragmentManager is already executing transactions"); 2020e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2021e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2022e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell if (Looper.myLooper() != mHost.getHandler().getLooper()) { 2023e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell throw new IllegalStateException("Must be called from main thread of fragment host"); 2024e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2025e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2026e880475b147312ca62bed05bbeb37ec820d693aeAdam Powell if (!allowStateLoss) { 2027e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell checkStateLoss(); 2028e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2029e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2030990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mTmpRecords == null) { 2031990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpRecords = new ArrayList<>(); 2032990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpIsPop = new ArrayList<>(); 2033990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 20340a849aafc735476e572e97c78be0ce912adfe512George Mount mExecutingActions = true; 20350a849aafc735476e572e97c78be0ce912adfe512George Mount try { 20360a849aafc735476e572e97c78be0ce912adfe512George Mount executePostponedTransaction(null, null); 20370a849aafc735476e572e97c78be0ce912adfe512George Mount } finally { 20380a849aafc735476e572e97c78be0ce912adfe512George Mount mExecutingActions = false; 20390a849aafc735476e572e97c78be0ce912adfe512George Mount } 2040990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2041990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2042990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void execSingleAction(OpGenerator action, boolean allowStateLoss) { 2043875d9733f354fc93e72c7e8d849c9b5333950183George Mount if (allowStateLoss && (mHost == null || mDestroyed)) { 2044875d9733f354fc93e72c7e8d849c9b5333950183George Mount // This FragmentManager isn't attached, so drop the entire transaction. 2045875d9733f354fc93e72c7e8d849c9b5333950183George Mount return; 2046875d9733f354fc93e72c7e8d849c9b5333950183George Mount } 2047990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(allowStateLoss); 2048990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (action.generateOps(mTmpRecords, mTmpIsPop)) { 2049990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 2050990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 2051990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount optimizeAndExecuteOps(mTmpRecords, mTmpIsPop); 2052990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 2053990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 2054990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2055990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2056e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2057e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell doPendingDeferredStart(); 205890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 2059e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2060e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2062990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Broken out of exec*, this cleans up the mExecutingActions and the temporary structures 2063990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * used in executing operations. 2064990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2065990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void cleanupExec() { 2066990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = false; 2067990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpIsPop.clear(); 2068990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpRecords.clear(); 2069990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2070990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2071990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 2073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 2074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 2075990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ensureExecReady(true); 2076990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2077990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean didSomething = false; 2078990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount while (generateOpsForPendingActions(mTmpRecords, mTmpIsPop)) { 2079990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mExecutingActions = true; 2080990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount try { 2081990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount optimizeAndExecuteOps(mTmpRecords, mTmpIsPop); 2082990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } finally { 2083990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount cleanupExec(); 2084990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2085990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount didSomething = true; 2086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2087dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2088990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount doPendingDeferredStart(); 208990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount burpActive(); 2090990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2091990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return didSomething; 2092990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2093990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2094990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2095990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Complete the execution of transactions that have previously been postponed, but are 2096990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * now ready. 2097990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2098990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void executePostponedTransaction(ArrayList<BackStackRecord> records, 2099990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 2100990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int numPostponed = mPostponedTransactions == null ? 0 : mPostponedTransactions.size(); 2101990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numPostponed; i++) { 2102990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener listener = mPostponedTransactions.get(i); 2103990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records != null && !listener.mIsBack) { 2104990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int index = records.indexOf(listener.mRecord); 2105990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (index != -1 && isRecordPop.get(index)) { 2106990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.cancelTransaction(); 2107990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount continue; 2108990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2109990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2110990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (listener.isReady() || (records != null 2111990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && listener.mRecord.interactsWith(records, 0, records.size()))) { 2112990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.remove(i); 2113990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount i--; 2114990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount numPostponed--; 2115990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int index; 2116990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records != null && !listener.mIsBack 2117990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && (index = records.indexOf(listener.mRecord)) != -1 2118990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && isRecordPop.get(index)) { 2119990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // This is popping a postponed transaction 2120990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.cancelTransaction(); 2121990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 2122990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount listener.completeTransaction(); 2123990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2124990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2126990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2128990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2129990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Optimizes BackStackRecord operations. This method merges operations of proximate records 2130990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * that allow optimization. See {@link FragmentTransaction#setAllowOptimization(boolean)}. 2131990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2132990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * For example, a transaction that adds to the back stack and then another that pops that 2133990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * back stack record will be optimized. 2134990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2135990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Likewise, two transactions committed that are executed at the same time will be optimized 2136990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * as well as two pop operations executed together. 2137990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2138990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records The records pending execution 2139990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2140990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2141990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void optimizeAndExecuteOps(ArrayList<BackStackRecord> records, 2142990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 2143990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (records == null || records.isEmpty()) { 2144990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 2145990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2146990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2147990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isRecordPop == null || records.size() != isRecordPop.size()) { 2148990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount throw new IllegalStateException("Internal error with the back stack records"); 2149990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2150990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2151990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Force start of any postponed transactions that interact with scheduled transactions: 2152990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executePostponedTransaction(records, isRecordPop); 2153990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2154990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numRecords = records.size(); 2155990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int startIndex = 0; 2156990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = 0; recordNum < numRecords; recordNum++) { 2157990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean canOptimize = records.get(recordNum).mAllowOptimization; 2158990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (!canOptimize) { 2159990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // execute all previous transactions 2160990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (startIndex != recordNum) { 2161990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOpsTogether(records, isRecordPop, startIndex, recordNum); 2162990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2163f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount // execute all unoptimized pop operations together or one add operation 2164f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount int optimizeEnd = recordNum + 1; 2165f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount if (isRecordPop.get(recordNum)) { 2166f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount while (optimizeEnd < numRecords 2167f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount && isRecordPop.get(optimizeEnd) 2168f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount && !records.get(optimizeEnd).mAllowOptimization) { 2169f284a0dc76d73ef7132dd1187a43d9a7ad0258deGeorge Mount optimizeEnd++; 2170990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2171990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2172990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOpsTogether(records, isRecordPop, recordNum, optimizeEnd); 2173990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount startIndex = optimizeEnd; 2174990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount recordNum = optimizeEnd - 1; 2175990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2176990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2177990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (startIndex != numRecords) { 2178990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOpsTogether(records, isRecordPop, startIndex, numRecords); 2179990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2180990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2181990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2182990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2183990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Optimizes a subset of a list of BackStackRecords, all of which either allow optimization or 2184990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * do not allow optimization. 2185990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list of BackStackRecords that are to be optimized 2186990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2187990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first record in <code>records</code> to be optimized 2188990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One more than the final record index in <code>records</code> to optimize. 2189990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2190990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void executeOpsTogether(ArrayList<BackStackRecord> records, 2191990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex) { 2192990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean allowOptimization = records.get(startIndex).mAllowOptimization; 2193990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean addToBackStack = false; 2194990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mTmpAddedFragments == null) { 2195990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments = new ArrayList<>(); 2196990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 2197990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.clear(); 2198990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2199990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mAdded != null) { 2200990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.addAll(mAdded); 2201990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2202990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2203990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2204990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2205990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (!isPop) { 2206990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.expandReplaceOps(mTmpAddedFragments); 2207e7e8d3d3a5211abc960351923b8b2bac85f6adecGeorge Mount } else { 2208e7e8d3d3a5211abc960351923b8b2bac85f6adecGeorge Mount record.trackAddedFragmentsInPop(mTmpAddedFragments); 2209990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2210990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount addToBackStack = addToBackStack || record.mAddToBackStack; 2211990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2212990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mTmpAddedFragments.clear(); 2213990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2214990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (!allowOptimization) { 2215990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, endIndex, 2216990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2217990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2218990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOps(records, isRecordPop, startIndex, endIndex); 2219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2220990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2221990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (allowOptimization) { 22220bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> addedFragments = new ArraySet<>(); 22230bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(addedFragments); 2224990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex = postponePostponableTransactions(records, isRecordPop, 22250bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount startIndex, endIndex, addedFragments); 22260bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount makeRemovedFragmentsInvisible(addedFragments); 2227990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2228990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2229990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (postponeIndex != startIndex && allowOptimization) { 2230990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // need to run something now 2231990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, startIndex, 2232990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex, true); 223377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 2234990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2235990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2236990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int recordNum = startIndex; recordNum < endIndex; recordNum++) { 2237990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(recordNum); 2238990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(recordNum); 2239990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop && record.mIndex >= 0) { 2240990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount freeBackStackIndex(record.mIndex); 2241990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.mIndex = -1; 2242990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2243990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2244990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (addToBackStack) { 2245990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount reportBackStackChanged(); 2246990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2247990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2248dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2249990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 22500bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any fragments that were removed because they have been postponed should have their views 22510bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * made invisible by setting their alpha to 0 on API >= 11 or setting visibility to INVISIBLE 22520bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * on API < 11. 22530bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * 22540bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * @param fragments The fragments that were added during operation execution. Only the ones 22550bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * that are no longer added will have their alpha changed. 22560bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount */ 22570bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void makeRemovedFragmentsInvisible(ArraySet<Fragment> fragments) { 22580bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final int numAdded = fragments.size(); 22590bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount for (int i = 0; i < numAdded; i++) { 22600bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final Fragment fragment = fragments.valueAt(i); 22610bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (!fragment.mAdded) { 22620bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount final View view = fragment.getView(); 22630bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) { 22640bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.getView().setVisibility(View.INVISIBLE); 22650bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } else { 22660bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = view.getAlpha(); 22670bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount view.setAlpha(0f); 22680bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 22690bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 22700bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 22710bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 22720bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 22730bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount /** 2274990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Examine all transactions and determine which ones are marked as postponed. Those will 2275990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * have their operations rolled back and moved to the end of the record list (up to endIndex). 2276990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * It will also add the postponed transaction to the queue. 2277990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2278990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list of BackStackRecords that should be checked. 2279990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2280990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first record in <code>records</code> to be checked 2281990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One more than the final record index in <code>records</code> to be checked. 2282990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The index of the first postponed transaction or endIndex if no transaction was 2283990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * postponed. 2284990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2285990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int postponePostponableTransactions(ArrayList<BackStackRecord> records, 22860bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex, 22870bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount ArraySet<Fragment> added) { 2288990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int postponeIndex = endIndex; 2289990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = endIndex - 1; i >= startIndex; i--) { 2290990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2291990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2292990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean isPostponed = record.isPostponed() 2293990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && !record.interactsWith(records, i + 1, endIndex); 2294990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPostponed) { 2295990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions == null) { 2296990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions = new ArrayList<>(); 2297990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2298990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener listener = 2299990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount new StartEnterTransitionListener(record, isPop); 2300990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.add(listener); 2301990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.setOnStartPostponedListener(listener); 2302990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2303990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // roll back the transaction 2304990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 2305990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2306990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 23070846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(false); 2308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2309dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2310990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // move to the end 2311990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount postponeIndex--; 2312990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (i != postponeIndex) { 2313990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.remove(i); 2314990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(postponeIndex, record); 2315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2316990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2317990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // different views may be visible now 23180bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount addAddedFragments(added); 2319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2320990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2321990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return postponeIndex; 2322990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2323dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2324990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2325990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * When a postponed transaction is ready to be started, this completes the transaction, 2326990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * removing, hiding, or showing views as well as starting the animations and transitions. 2327990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * <p> 2328990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@code runtransitions} is set to false when the transaction postponement was interrupted 2329990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * abnormally -- normally by a new transaction being started that affects the postponed 2330990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction. 2331990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2332990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param record The transaction to run 2333990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop true if record is popping or false if it is adding 2334990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param runTransitions true if the fragment transition should be run or false otherwise. 2335990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param moveToState true if the state should be changed after executing the operations. 2336990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is false when the transaction is canceled when a postponed 2337990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transaction is popped. 2338990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2339990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void completeExecute(BackStackRecord record, boolean isPop, boolean runTransitions, 2340990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean moveToState) { 2341990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<BackStackRecord> records = new ArrayList<>(1); 2342990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop = new ArrayList<>(1); 2343990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(record); 2344990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(isPop); 2345990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount executeOps(records, isRecordPop, 0, 1); 2346990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (runTransitions) { 2347990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentTransition.startTransitions(this, records, isRecordPop, 0, 1, true); 2348990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2349990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (moveToState) { 235077f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(mCurState, true); 23510bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 23520bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount 23530bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (mActive != null) { 2354990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numActive = mActive.size(); 2355990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActive; i++) { 2356990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Allow added fragments to be removed during the pop since we aren't going 2357990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // to move them to the final state with moveToState(mCurState). 235890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 23590bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (fragment != null && fragment.mView != null && fragment.mIsNewlyAdded 2360990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount && record.interactsWith(fragment.mContainerId)) { 23610bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB 23620bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount && fragment.mPostponedAlpha > 0) { 23630bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mView.setAlpha(fragment.mPostponedAlpha); 23640bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 23650bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount if (moveToState) { 23660bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = 0; 23670bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } else { 23680bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mPostponedAlpha = -1; 23690bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount fragment.mIsNewlyAdded = false; 23700bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount } 2371990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2374990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2375dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2376990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2377990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Find a fragment within the fragment's container whose View should be below the passed 2378990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * fragment. {@code null} is returned when the fragment has no View or if there should be 2379990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * no fragment with a View below the given fragment. 2380990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2381990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * As an example, if mAdded has two Fragments with Views sharing the same container: 2382990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentA 2383990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * FragmentB 2384990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2385990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Then, when processing FragmentB, FragmentA will be returned. If, however, FragmentA 2386990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * had no View, null would be returned. 2387990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2388990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param f The fragment that may be on top of another fragment. 2389990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return The fragment with a View under f, if one exists or null if f has no View or 2390990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * there are no fragments with Views in the same container. 2391990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2392990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private Fragment findFragmentUnder(Fragment f) { 2393990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final ViewGroup container = f.mContainer; 2394990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View view = f.mView; 2395e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2396990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (container == null || view == null) { 2397990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2398990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2399990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2400990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int fragmentIndex = mAdded.indexOf(f); 2401990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = fragmentIndex - 1; i >= 0; i--) { 2402990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment underFragment = mAdded.get(i); 2403990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (underFragment.mContainer == container && underFragment.mView != null) { 2404990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Found the fragment under this one 2405990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return underFragment; 2406990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2407990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2408990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return null; 2409990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2410990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2411990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2412990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Run the operations in the BackStackRecords, either to push or pop. 2413990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2414990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records The list of records whose operations should be run. 2415990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop The direction that these records are being run. 2416990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param startIndex The index of the first entry in records to run. 2417990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param endIndex One past the index of the final entry in records to run. 2418990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2419990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private static void executeOps(ArrayList<BackStackRecord> records, 2420990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop, int startIndex, int endIndex) { 2421990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = startIndex; i < endIndex; i++) { 2422990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final BackStackRecord record = records.get(i); 2423990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean isPop = isRecordPop.get(i); 2424990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (isPop) { 242537e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(-1); 24260846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // Only execute the add operations at the end of 24270846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount // all transactions. 24280846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount boolean moveToState = i == (endIndex - 1); 24290846eb5fb991505a85c8288b52d7fa58ebade9b2George Mount record.executePopOps(moveToState); 2430990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } else { 243137e785570b316db48ae8843d101f383899ea4d61George Mount record.bumpBackStackNesting(1); 2432990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount record.executeOps(); 2433990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2434990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2435990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2436990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2437990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2438990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ensure that fragments that are added are moved to at least the CREATED state. 24390bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * Any newly-added Views are inserted into {@code added} so that the Transaction can be 24400bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * postponed with {@link Fragment#postponeEnterTransition()}. They will later be made 24410bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount * invisible (by setting their alpha to 0) if they have been removed when postponed. 2442990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 24430bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount private void addAddedFragments(ArraySet<Fragment> added) { 2444990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mCurState < Fragment.CREATED) { 2445990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 2446990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2447990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // We want to leave the fragment in the started state 2448990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int state = Math.min(mCurState, Fragment.STARTED); 2449990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = mAdded == null ? 0 : mAdded.size(); 2450990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 2451990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount Fragment fragment = mAdded.get(i); 2452990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mState < state) { 2453990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(fragment, state, fragment.getNextAnim(), fragment.getNextTransition(), 2454990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount false); 2455990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment.mView != null && !fragment.mHidden && fragment.mIsNewlyAdded) { 24560bb3f19c91311de0b6619c7728a7bcc1f6863132George Mount added.add(fragment); 2457990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2458990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2459990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2460990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2461990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2462990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2463990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Starts all postponed transactions regardless of whether they are ready or not. 2464990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2465990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void forcePostponedTransactions() { 2466990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPostponedTransactions != null) { 2467990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount while (!mPostponedTransactions.isEmpty()) { 2468990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPostponedTransactions.remove(0).completeTransaction(); 2469990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2470990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2471990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2472990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2473990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2474990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Ends the animations of fragments so that they immediately reach the end state. 2475990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This is used prior to saving the state so that the correct state is saved. 2476990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2477990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private void endAnimatingAwayFragments() { 2478990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numFragments = mActive == null ? 0 : mActive.size(); 2479990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numFragments; i++) { 248090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment fragment = mActive.valueAt(i); 2481990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (fragment != null && fragment.getAnimatingAway() != null) { 2482990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount // Give up waiting for the animation and just end it. 2483990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int stateAfterAnimating = fragment.getStateAfterAnimating(); 2484990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final View animatingAway = fragment.getAnimatingAway(); 2485990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.setAnimatingAway(null); 24869b07983005689872240dee2084dec3520f95eb5aGeorge Mount Animation animation = animatingAway.getAnimation(); 24879b07983005689872240dee2084dec3520f95eb5aGeorge Mount if (animation != null) { 24889b07983005689872240dee2084dec3520f95eb5aGeorge Mount animation.cancel(); 24899b07983005689872240dee2084dec3520f95eb5aGeorge Mount } 2490990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount moveToState(fragment, stateAfterAnimating, 0, 0, false); 2491990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2492990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2493990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2494990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2495990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 2496990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Adds all records in the pending actions to records and whether they are add or pop 2497990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * operations to isPop. After executing, the pending actions will be empty. 2498990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 2499990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records All pending actions will generate BackStackRecords added to this. 2500990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * This contains the transactions, in order, to execute. 2501990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isPop All pending actions will generate booleans to add to this. This contains 2502990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an entry for each entry in records to indicate whether or not it is a 2503990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * pop action. 2504990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 2505990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private boolean generateOpsForPendingActions(ArrayList<BackStackRecord> records, 2506990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isPop) { 2507990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int numActions; 2508990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount synchronized (this) { 2509990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mPendingActions == null || mPendingActions.size() == 0) { 2510990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return false; 2511990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2512990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 2513990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount numActions = mPendingActions.size(); 2514990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numActions; i++) { 2515990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions.get(i).generateOps(records, isPop); 2516990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2517990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mPendingActions.clear(); 2518990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mHost.getHandler().removeCallbacks(mExecCommit); 2519990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 2520990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return numActions > 0; 2521e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell } 2522e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell 2523e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell void doPendingDeferredStart() { 252479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 252579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 2526e1fad6fb0ee83d7f2dad3ec3dca6641a425e7244Adam Powell for (int i = 0; i < mActive.size(); i++) { 252790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 252879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 252979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 253079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 253179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 253279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 253379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 253479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 253579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 253679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 2537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 253879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 2539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 2540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 2541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 2542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 2543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 2548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 2550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 2552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 2553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2554dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2555d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy @SuppressWarnings("unused") 2556990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean popBackStackState(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop, 2557990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount String name, int id, int flags) { 2558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 2559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2561990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (name == null && id < 0 && (flags & POP_BACK_STACK_INCLUSIVE) == 0) { 2562990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount int last = mBackStack.size() - 1; 2563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 2564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2566990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(last)); 2567990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 2570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 2571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 2572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 2573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 2574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 2577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 2580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 2585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 2588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 2590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 2591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 2592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 2593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 2594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 2595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 2596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 2602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2604990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = mBackStack.size() - 1; i > index; i--) { 2605990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount records.add(mBackStack.remove(i)); 2606990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount isRecordPop.add(true); 2607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2611dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2612c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig retainNonConfig() { 2613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 2614c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell ArrayList<FragmentManagerNonConfig> childFragments = null; 2615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 2616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 261790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2618c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f != null) { 2619c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mRetainInstance) { 2620c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (fragments == null) { 2621c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments = new ArrayList<Fragment>(); 2622c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2623c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell fragments.add(f); 2624c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell f.mRetaining = true; 2625c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 2626c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 2627c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2628c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell boolean addedChild = false; 2629c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (f.mChildFragmentManager != null) { 2630c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig child = f.mChildFragmentManager.retainNonConfig(); 2631c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (child != null) { 2632c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (childFragments == null) { 2633c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childFragments = new ArrayList<FragmentManagerNonConfig>(); 2634c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int j = 0; j < i; j++) { 2635c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childFragments.add(null); 2636c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2637c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2638c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childFragments.add(child); 2639c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell addedChild = true; 2640c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2641c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2642c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (childFragments != null && !addedChild) { 2643c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childFragments.add(null); 2644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2648c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (fragments == null && childFragments == null) { 2649c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell return null; 2650c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2651c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell return new FragmentManagerNonConfig(fragments, childFragments); 2652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2653dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 2655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 2656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 2657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 2659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 2660ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 2661ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 2662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 2664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 2665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 2666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 2667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2669dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 26705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 26715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 26725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 26735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 26745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 26755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 26760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performSaveInstanceState(mStateBundle); 2677267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell dispatchOnFragmentSaveInstanceState(f, mStateBundle, false); 26785c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 26795c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 26805c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 26815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 26825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 26835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 26845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 26855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 26865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 26875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 26885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 26895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 26905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 26915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 26925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 269379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 2694f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 2695f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 2696f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 269779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 269879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 269979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 27005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 27015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 27025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 27035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 2705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 2706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 2707990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount forcePostponedTransactions(); 2708990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount endAnimatingAwayFragments(); 2709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 2710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2711681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 2712681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 2713681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 2714681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 2715681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 2716681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 2717681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 2718681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 2719681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 2720681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 2721681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 2722681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 2723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 2725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2727dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 2729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 2730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 2731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 2732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 273390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount Fragment f = mActive.valueAt(i); 2734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 27351b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 273613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 273713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + f 273813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + f.mIndex)); 27391b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 27401b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 2741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 2742dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 2744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 2745dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 27475c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 2748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 2750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 275113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 275213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: " + f 275313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has target not in fragment manager: " + f.mTarget)); 2754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 2756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 2757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 2759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 2760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 2761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 2762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 2763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 2764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 2769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2770dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 2772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 2773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2775dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 2777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 2778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 2779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2780dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 2782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 2783dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 2785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 2786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 2787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 2788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 2789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 2790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 27911b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (added[i] < 0) { 279213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 279313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + mAdded.get(i) 279413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + added[i])); 27951b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 2796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 2797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 2798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2801dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 2803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 2804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 2805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 2806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 2807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 2808d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy backStack[i] = new BackStackState(mBackStack.get(i)); 2809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 2810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 2811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2814dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 2816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 2817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 2818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 281990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount fms.mNextFragmentIndex = mNextFragmentIndex; 2820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 2821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2822dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2823c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell void restoreAllState(Parcelable state, FragmentManagerNonConfig nonConfig) { 2824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 2825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 2826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 2827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 2828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 2829c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 2830c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<FragmentManagerNonConfig> childNonConfigs = null; 2831c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell 2832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 2833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 2834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 2835c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 2836c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfigs = nonConfig.getChildNonConfigs(); 2837c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 2838c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 2839c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 2840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 284138083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount int index = 0; // index into fms.mActive 284238083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount while (index < fms.mActive.length && fms.mActive[index].mIndex != f.mIndex) { 284338083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount index++; 284438083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 284538083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount if (index == fms.mActive.length) { 284638083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount throwException(new IllegalStateException("Could not find active fragment " 284738083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount + "with index " + f.mIndex)); 284838083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount } 284938083235ff15c516dbba4ef655f4895b0282cf7bGeorge Mount FragmentState fs = fms.mActive[index]; 2850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 2851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 2852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 2853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 2854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 28552c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 2856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 2857d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy fs.mSavedFragmentState.setClassLoader(mHost.getContext().getClassLoader()); 2858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 2859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 28608e4a59b54e9225b77151805dd6b8867dcd8e60a4Craig Mautner f.mSavedFragmentState = fs.mSavedFragmentState; 2861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2864dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 2866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 286790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive = new SparseArray<>(fms.mActive.length); 2868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 2869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 2870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 2871c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell FragmentManagerNonConfig childNonConfig = null; 2872c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell if (childNonConfigs != null && i < childNonConfigs.size()) { 2873c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell childNonConfig = childNonConfigs.get(i); 2874c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell } 2875c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = fs.instantiate(mHost, mParent, childNonConfig); 28763a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: active #" + i + ": " + f); 287790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.put(f.mIndex, f); 2878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 2879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 2880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 2881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 2882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2884dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 2886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 2887c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell List<Fragment> nonConfigFragments = nonConfig.getFragments(); 2888c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell final int count = nonConfigFragments != null ? nonConfigFragments.size() : 0; 2889c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell for (int i = 0; i < count; i++) { 2890c077b4cd990a9f220a27ad5eca04828e17136064Adam Powell Fragment f = nonConfigFragments.get(i); 28912c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 289290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount f.mTarget = mActive.get(f.mTargetIndex); 289390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (f.mTarget == null) { 2894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 28952c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 2896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 2902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 2903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 2904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 2905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 2906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 290713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 290813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i])); 2909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 29113a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: added #" + i + ": " + f); 29123a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(f)) { 29133a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Already added!"); 29143a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 291596221034e4a23a2abb83f772a0281bb197ac5ac0George Mount synchronized (mAdded) { 291696221034e4a23a2abb83f772a0281bb197ac5ac0George Mount mAdded.add(f); 291796221034e4a23a2abb83f772a0281bb197ac5ac0George Mount } 2918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 2921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2922dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 2924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 2925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 2926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 2927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 29283a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) { 29293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn Log.v(TAG, "restoreAllState: back stack #" + i 2930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 29313a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn LogWriter logw = new LogWriter(TAG); 29323a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn PrintWriter pw = new PrintWriter(logw); 29333a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn bse.dump(" ", pw, false); 2934f83358389f0c4ea37a7e7d9e493857f99baf0440Chris Banes pw.close(); 29353a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 2936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 2937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 2938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 2939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 2942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 2943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 294490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 294590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount this.mNextFragmentIndex = fms.mNextFragmentIndex; 294690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 294790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount 294890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount /** 294990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * To prevent list modification errors, mActive sets values to null instead of 295090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * removing them when the Fragment becomes inactive. This cleans up the list at the 295190b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount * end of executing the transactions. 295290b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount */ 295390b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount private void burpActive() { 295490b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive != null) { 295590b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount for (int i = mActive.size() - 1; i >= 0; i--) { 295690b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount if (mActive.valueAt(i) == null) { 295790b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount mActive.delete(mActive.keyAt(i)); 295890b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 295990b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 296090b15311c0461be519432794b7f8e8132fb7a72cGeorge Mount } 2961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2962d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy 29638491eb62f621cd5de4b4caed839be09c77011f53Todd Kennedy public void attachController(FragmentHostCallback host, 29640adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer container, Fragment parent) { 2965d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (mHost != null) throw new IllegalStateException("Already attached"); 2966d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = host; 29670adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = container; 29680adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = parent; 2969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2970dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 2972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 29730765353c002bfdf681c982565810aa4be3499dd0George Mount final int addedCount = mAdded == null ? 0 : mAdded.size(); 29740765353c002bfdf681c982565810aa4be3499dd0George Mount for (int i = 0; i < addedCount; i++) { 29750765353c002bfdf681c982565810aa4be3499dd0George Mount Fragment fragment = mAdded.get(i); 29760765353c002bfdf681c982565810aa4be3499dd0George Mount if (fragment != null) { 29770765353c002bfdf681c982565810aa4be3499dd0George Mount fragment.noteStateNotSaved(); 29780765353c002bfdf681c982565810aa4be3499dd0George Mount } 29790765353c002bfdf681c982565810aa4be3499dd0George Mount } 2980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2981dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 2983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 29849268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 298577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.CREATED, false); 29869268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 2987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2988dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 2990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 29919268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 299277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.ACTIVITY_CREATED, false); 29939268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 2994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2995dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 2996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 2997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 29989268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 299977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.STARTED, false); 30009268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3002dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 3004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 30059268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 300677f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.RESUMED, false); 30079268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3009dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 30119268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 301277f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.STARTED, false); 30139268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3015dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 3017681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 3018681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 3019681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 3020681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 3021681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 30229268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 302377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.STOPPED, false); 30249268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3026dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3027218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 30289268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 302977f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.ACTIVITY_CREATED, false); 30309268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3031681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 3032681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 30330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void dispatchDestroyView() { 30349268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 303577f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.CREATED, false); 30369268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 30370adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 30380adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 3039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 3040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 3041e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 30429268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = true; 304377f11e921b9be7645b74a33b2ca11c1c4e24fbabGeorge Mount moveToState(Fragment.INITIALIZING, false); 30449268ce1264c6c2919b3feb1e26eef13ded3c9ab4George Mount mExecutingActions = false; 3045d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy mHost = null; 30460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = null; 30470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = null; 3048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 30495fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 30505fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchMultiWindowModeChanged(boolean isInMultiWindowMode) { 30515fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (mAdded == null) { 30525fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian return; 30535fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30545fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 30555fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian final android.support.v4.app.Fragment f = mAdded.get(i); 30565fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 30575fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performMultiWindowModeChanged(isInMultiWindowMode); 30585fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30595fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30605fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30615fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 30625fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian public void dispatchPictureInPictureModeChanged(boolean isInPictureInPictureMode) { 30635fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (mAdded == null) { 30645fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian return; 30655fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30665fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian for (int i = mAdded.size() - 1; i >= 0; --i) { 30675fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian final android.support.v4.app.Fragment f = mAdded.get(i); 30685fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian if (f != null) { 30695fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian f.performPictureInPictureModeChanged(isInPictureInPictureMode); 30705fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30715fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30725fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian } 30735fa6d3dd3f408ceb2ff7368fd0259713d9382ad8Andrii Kulian 3074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 3075464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 3078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 30790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performConfigurationChanged(newConfig); 3080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 3086464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 3089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 30900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performLowMemory(); 3091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 3096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 3097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 3099464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 31020adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 31030adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performCreateOptionsMenu(menu, inflater)) { 31040adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 31050adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (newMenus == null) { 31060adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus = new ArrayList<Fragment>(); 31070adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 31080adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus.add(f); 3109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3113c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 3115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 3116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 3117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 3118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 3119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3122c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 3124c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 3125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3127dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 3129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 3130464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 31330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 31340adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performPrepareOptionsMenu(menu)) { 31350adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 31360adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 3137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 3141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3142dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 3144464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 31470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 31480adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performOptionsItemSelected(item)) { 3149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 3150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3156dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 3158464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 31610adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 31620adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performContextItemSelected(item)) { 3163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 3164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 3169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3170dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 3172464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 3173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 3174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 31750adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 31760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performOptionsMenuClosed(menu); 3177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3181461b48b4588ac21b97aa40553f04222c2c0344e7Chris Banes 3182267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void registerFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb, 3183267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean recursive) { 3184267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3185267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks = new CopyOnWriteArrayList<>(); 3186267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3187267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks.add(new Pair(cb, recursive)); 3188267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3189267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3190267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell public void unregisterFragmentLifecycleCallbacks(FragmentLifecycleCallbacks cb) { 3191267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3192267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3193267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3194267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3195267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell synchronized (mLifecycleCallbacks) { 3196267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (int i = 0, N = mLifecycleCallbacks.size(); i < N; i++) { 3197267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks.get(i).first == cb) { 3198267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell mLifecycleCallbacks.remove(i); 3199267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell break; 3200267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3201267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3202267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3203267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3204267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3205267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPreAttached(Fragment f, Context context, boolean onlyRecursive) { 3206267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3207267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3208267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3209267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3210267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPreAttached(f, context, true); 3211267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3212267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3213267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3214267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3215267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3216267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3217267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3218267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPreAttached(this, f, context); 3219267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3220267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3221267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3222267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3223267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentAttached(Fragment f, Context context, boolean onlyRecursive) { 3224267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3225267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3226267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3227267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3228267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentAttached(f, context, true); 3229267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3230267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3231267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3232267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3233267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3234267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3235267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3236267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentAttached(this, f, context); 3237267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3238267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3239267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3240267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3241267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentCreated(Fragment f, Bundle savedInstanceState, boolean onlyRecursive) { 3242267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3243267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3244267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3245267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3246267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentCreated(f, savedInstanceState, true); 3247267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3248267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3249267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3250267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3251267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3252267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3253267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3254267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentCreated(this, f, savedInstanceState); 3255267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3256267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3257267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3258267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3259267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentActivityCreated(Fragment f, Bundle savedInstanceState, 3260267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3261267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3262267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3263267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3264267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3265267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentActivityCreated(f, savedInstanceState, true); 3266267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3267267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3268267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3269267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3270267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3271267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3272267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3273267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentActivityCreated(this, f, savedInstanceState); 3274267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3275267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3276267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3277267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3278267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewCreated(Fragment f, View v, Bundle savedInstanceState, 3279267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell boolean onlyRecursive) { 3280267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3281267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3282267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3283267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3284267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewCreated(f, v, savedInstanceState, true); 3285267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3286267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3287267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3288267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3289267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3290267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3291267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3292267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewCreated(this, f, v, savedInstanceState); 3293267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3294267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3295267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3296267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3297267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStarted(Fragment f, boolean onlyRecursive) { 3298267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3299267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3300267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3301267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3302267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStarted(f, true); 3303267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3304267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3305267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3306267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3307267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3308267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3309267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3310267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStarted(this, f); 3311267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3312267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3313267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3314267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3315267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentResumed(Fragment f, boolean onlyRecursive) { 3316267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3317267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3318267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3319267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3320267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentResumed(f, true); 3321267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3322267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3323267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3324267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3325267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3326267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3327267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3328267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentResumed(this, f); 3329267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3330267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3331267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3332267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3333267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentPaused(Fragment f, boolean onlyRecursive) { 3334267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3335267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3336267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3337267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3338267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentPaused(f, true); 3339267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3340267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3341267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3342267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3343267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3344267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3345267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3346267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentPaused(this, f); 3347267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3348267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3349267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3350267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3351267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentStopped(Fragment f, boolean onlyRecursive) { 3352267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3353267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3354267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3355267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3356267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentStopped(f, true); 3357267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3358267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3359267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3360267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3361267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3362267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3363267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3364267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentStopped(this, f); 3365267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3366267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3367267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3368267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3369267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentSaveInstanceState(Fragment f, Bundle outState, boolean onlyRecursive) { 3370267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3371267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3372267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3373267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3374267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentSaveInstanceState(f, outState, true); 3375267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3376267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3377267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3378267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3379267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3380267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3381267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3382267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentSaveInstanceState(this, f, outState); 3383267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3384267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3385267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3386267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3387267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentViewDestroyed(Fragment f, boolean onlyRecursive) { 3388267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3389267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3390267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3391267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3392267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentViewDestroyed(f, true); 3393267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3394267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3395267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3396267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3397267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3398267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3399267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3400267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentViewDestroyed(this, f); 3401267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3402267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3403267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3404267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3405267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDestroyed(Fragment f, boolean onlyRecursive) { 3406267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3407267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3408267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3409267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3410267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDestroyed(f, true); 3411267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3412267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3413267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3414267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3415267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3416267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3417267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3418267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDestroyed(this, f); 3419267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3420267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3421267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3422267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3423267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell void dispatchOnFragmentDetached(Fragment f, boolean onlyRecursive) { 3424267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mParent != null) { 3425267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell FragmentManager parentManager = mParent.getFragmentManager(); 3426267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (parentManager instanceof FragmentManagerImpl) { 3427267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell ((FragmentManagerImpl) parentManager) 3428267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell .dispatchOnFragmentDetached(f, true); 3429267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3430267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3431267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (mLifecycleCallbacks == null) { 3432267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell return; 3433267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3434267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell for (Pair<FragmentLifecycleCallbacks, Boolean> p : mLifecycleCallbacks) { 3435267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell if (!onlyRecursive || p.second) { 3436267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell p.first.onFragmentDetached(this, f); 3437267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3438267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3439267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell } 3440267b02ebf455fa4d7de59150548676e406b2dd2bAdam Powell 3441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 3442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 3443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 3445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 3446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 3448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 3449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 3451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 3452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 3455dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3457dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 34589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 34599277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 34609277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 34619277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 34629277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 34639277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 3464dea7d510a375df0e0e703bfba5ff63c8acca849eAurimas Liutikas 3465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 3466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 3467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 3468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 34699277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 3470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 34729277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 3473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 34759277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 3476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 3477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 3478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 3479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 34800f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 34810f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell @Override 3482bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banes public View onCreateView(View parent, String name, Context context, AttributeSet attrs) { 34830f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!"fragment".equals(name)) { 34840f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 34850f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 34860f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 34870f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String fname = attrs.getAttributeValue(null, "class"); 34880f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell TypedArray a = context.obtainStyledAttributes(attrs, FragmentTag.Fragment); 34890f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fname == null) { 34900f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fname = a.getString(FragmentTag.Fragment_name); 34910f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 34920f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int id = a.getResourceId(FragmentTag.Fragment_id, View.NO_ID); 34930f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell String tag = a.getString(FragmentTag.Fragment_tag); 34940f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell a.recycle(); 34950f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 3496d608cf6e08769bf320c1b595cbbd9a7664160449Todd Kennedy if (!Fragment.isSupportFragmentClass(mHost.getContext(), fname)) { 34970f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // Invalid support lib fragment; let the device's framework handle it. 34980f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This will allow android.app.Fragments to do the right thing. 34990f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return null; 35000f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35010f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35020f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell int containerId = parent != null ? parent.getId() : 0; 35030f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (containerId == View.NO_ID && id == View.NO_ID && tag == null) { 35040f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 35050f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Must specify unique android:id, android:tag, or have a parent with an id for " + fname); 35060f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35070f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35080f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we restored from a previous state, we may already have 35090f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // instantiated this fragment from the state and should use 35100f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // that instance instead of making a new one. 35110f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell Fragment fragment = id != View.NO_ID ? findFragmentById(id) : null; 35120f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && tag != null) { 35130f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentByTag(tag); 35140f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35150f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null && containerId != View.NO_ID) { 35160f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = findFragmentById(containerId); 35170f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35180f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35190f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (FragmentManagerImpl.DEBUG) Log.v(TAG, "onCreateView: id=0x" 35200f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + Integer.toHexString(id) + " fname=" + fname 35210f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " existing=" + fragment); 35220f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment == null) { 35230f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment = Fragment.instantiate(context, fname); 35240f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFromLayout = true; 35250f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentId = id != 0 ? id : containerId; 35260f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mContainerId = containerId; 35270f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mTag = tag; 35280f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 35290f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mFragmentManager = this; 35301b84066e4233b4b0c8a32fffc30f95b8cd20ced4Chris Banes fragment.mHost = mHost; 3531b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 35320f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell addFragment(fragment, true); 35330f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35340f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else if (fragment.mInLayout) { 35350f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // A fragment already exists and it is not one we restored from 35360f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // previous state. 35370f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalArgumentException(attrs.getPositionDescription() 35380f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ": Duplicate id 0x" + Integer.toHexString(id) 35390f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + ", tag " + tag + ", or parent id 0x" + Integer.toHexString(containerId) 35400f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " with another fragment for " + fname); 35410f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 35420f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // This fragment was retained from a previous instance; get it 35430f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // going now. 35440f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mInLayout = true; 3545e4148d65bbd62585c68c5782c2081bab6b303568Todd Kennedy fragment.mHost = mHost; 35460f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If this fragment is newly instantiated (either right now, or 35470f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // from last saved state), then give it the attributes to 35480f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // initialize itself. 35490f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (!fragment.mRetaining) { 3550b979cb86fa389effb7cd79fa045550c10b7b4819Todd Kennedy fragment.onInflate(mHost.getContext(), attrs, fragment.mSavedFragmentState); 35510f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35520f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35530f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35540f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // If we haven't finished entering the CREATED state ourselves yet, 35550f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell // push the inflated child fragment along. 35560f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (mCurState < Fragment.CREATED && fragment.mFromLayout) { 35570f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment, Fragment.CREATED, 0, 0, false); 35580f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } else { 35590f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell moveToState(fragment); 35600f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35610f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35620f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView == null) { 35630f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell throw new IllegalStateException("Fragment " + fname 35640f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell + " did not create a view."); 35650f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35660f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (id != 0) { 35670f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setId(id); 35680f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35690f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell if (fragment.mView.getTag() == null) { 35700f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell fragment.mView.setTag(tag); 35710f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35720f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return fragment.mView; 35730f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35740f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 3575bf0947be2ead9b3d8e5865bcd3d3652d02a2aa5aChris Banes LayoutInflaterFactory getLayoutInflaterFactory() { 35760f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell return this; 35770f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 35780f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 35790f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell static class FragmentTag { 35800f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int[] Fragment = { 35810f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell 0x01010003, 0x010100d0, 0x010100d1 35820f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell }; 35830f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_id = 1; 35840f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_name = 0; 35850f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell public static final int Fragment_tag = 2; 35860f3dfb28a503b3fb3e51666dd565b0d17eaebfbbAdam Powell } 3587990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3588990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3589990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * An add or pop transaction to be scheduled for the UI thread. 3590990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3591990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount interface OpGenerator { 3592990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3593990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Generate transactions to add to {@code records} and whether or not the transaction is 3594990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * an add or pop to {@code isRecordPop}. 3595990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3596990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * records and isRecordPop must be added equally so that each transaction in records 3597990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * matches the boolean for whether or not it is a pop in isRecordPop. 3598990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * 3599990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param records A list to add transactions to. 3600990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @param isRecordPop A list to add whether or not the transactions added to records is 3601990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * a pop transaction. 3602990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if something was added or false otherwise. 3603990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3604990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount boolean generateOps(ArrayList<BackStackRecord> records, ArrayList<Boolean> isRecordPop); 3605990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3606990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3607990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3608990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A pop operation OpGenerator. This will be run on the UI thread and will generate the 3609990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * transactions that will be popped if anything can be popped. 3610990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3611990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private class PopBackStackState implements OpGenerator { 3612990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final String mName; 3613990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mId; 3614990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int mFlags; 3615990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3616990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount PopBackStackState(String name, int id, int flags) { 3617990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mName = name; 3618990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mId = id; 3619990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mFlags = flags; 3620990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3621990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3622990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3623990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean generateOps(ArrayList<BackStackRecord> records, 3624990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount ArrayList<Boolean> isRecordPop) { 3625990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return popBackStackState(records, isRecordPop, mName, mId, mFlags); 3626990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3627990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3628990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3629990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3630990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * A listener for a postponed transaction. This waits until 3631990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()} is called or a transaction is started 3632990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * that interacts with this one, based on interactions with the fragment container. 3633990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3634990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount static class StartEnterTransitionListener 3635990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount implements Fragment.OnStartEnterTransitionListener { 3636990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final boolean mIsBack; 3637990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private final BackStackRecord mRecord; 3638990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount private int mNumPostponed; 3639990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3640990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount StartEnterTransitionListener(BackStackRecord record, boolean isBack) { 3641990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mIsBack = isBack; 3642990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord = record; 3643990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3644990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3645990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3646990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment#startPostponedEnterTransition()}, this decreases the 3647990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * number of Fragments that are postponed. This may cause the transaction to schedule 3648990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * to finish running and run transitions and animations. 3649990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3650990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3651990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void onStartEnterTransition() { 3652990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed--; 3653990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (mNumPostponed != 0) { 3654990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return; 3655990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3656990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.scheduleCommit(); 3657990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3658990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3659990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3660990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Called from {@link Fragment# 3661990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * setOnStartEnterTransitionListener(Fragment.OnStartEnterTransitionListener)}, this 3662990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * increases the number of fragments that are postponed as part of this transaction. 3663990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3664990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount @Override 3665990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void startListening() { 3666990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mNumPostponed++; 3667990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3668990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3669990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3670990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * @return true if there are no more postponed fragments as part of the transaction. 3671990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3672990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public boolean isReady() { 3673990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount return mNumPostponed == 0; 3674990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3675990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3676990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3677990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Completes the transaction and start the animations and transitions. This may skip 3678990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * the transitions if this is called before all fragments have called 3679990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * {@link Fragment#startPostponedEnterTransition()}. 3680990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3681990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void completeTransaction() { 3682990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final boolean canceled; 3683990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount canceled = mNumPostponed > 0; 3684990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount FragmentManagerImpl manager = mRecord.mManager; 3685990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final int numAdded = manager.mAdded.size(); 3686990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount for (int i = 0; i < numAdded; i++) { 3687990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount final Fragment fragment = manager.mAdded.get(i); 3688990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.setOnStartEnterTransitionListener(null); 3689990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount if (canceled && fragment.isPostponed()) { 3690990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount fragment.startPostponedEnterTransition(); 3691990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3692990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3693990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, !canceled, true); 3694990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3695990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount 3696990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount /** 3697990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * Cancels this transaction instead of completing it. That means that the state isn't 3698990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount * changed, so the pop results in no change to the state. 3699990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount */ 3700990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount public void cancelTransaction() { 3701990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount mRecord.mManager.completeExecute(mRecord, mIsBack, false, false); 3702990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3703990e6fc0326f5948736650c0cb71b6002d443c9cGeorge Mount } 3704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 3705