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 199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 20cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 21cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Handler; 23cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 24cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 25cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 32cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 34cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 38cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation.AnimationListener; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.Menu; 40cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuInflater; 41cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuItem; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ViewGroup; 44cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 45cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 46cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 49cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 50cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 51cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 52cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 53cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 54cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to switch to the framework's implementation. See the framework SDK 55cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 57cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Your activity must derive from {@link FragmentActivity} to use this. 58cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 59cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 62cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentManager.getBackStackEntry()}. 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 67cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 70cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 802a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 812a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 822a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 832a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 842a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 852a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 862a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 87cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** @hide -- remove once prebuilts are in. */ 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentById(int id); 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2955c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 2965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 2975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 2985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 2995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3045c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3055c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3065c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3075c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3085c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3095c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3105c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3145c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3155c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3165c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3175c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3185c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 3750adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn * Callbacks from FragmentManagerImpl to its container. 3760adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn */ 3770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborninterface FragmentContainer { 3780adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public View findViewById(int id); 3790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn} 3800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 3810adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn/** 382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerImpl extends FragmentManager { 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 388681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 389681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 39379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Runnable> mPendingActions; 396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable[] mTmpActions; 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mActive; 400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailIndices; 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 4130adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer mContainer; 4140adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment mParent; 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 42079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 43313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn private void throwException(RuntimeException ex) { 43413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, ex.getMessage()); 435ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 43613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn LogWriter logw = new LogWriter(TAG); 43713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn PrintWriter pw = new PrintWriter(logw); 43813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn if (mActivity != null) { 439ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 44013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn mActivity.dump(" ", null, pw, new String[] { }); 441ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 442ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 443ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 444ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 445ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 44613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn dump(" ", null, pw, new String[] { }); 447ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 44813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, "Failed dumping state", e); 449ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 450ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 45113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throw ex; 452ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 453ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return execPendingActions(); 462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, -1, 0); 469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, -1, 0); 478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, name, -1, flags); 485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, name, -1, flags); 494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, id, flags); 504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, id, flags); 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 54613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragment " + fragment 54713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index >= mActive.size()) { 55913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragement no longer exists for key " 56013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 56413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragement no longer exists for key " 56513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 5715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 5725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 57313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException( new IllegalStateException("Fragment " + fragment 57413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 5755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5765c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 5775c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 5785c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 5795c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5805c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 5815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 5835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 5890adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 5900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mParent, sb); 5910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } else { 5920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mActivity, sb); 5930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable r = mPendingActions.get(i); 682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 6890adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mActivity="); writer.println(mActivity); 6900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mContainer="); writer.println(mContainer); 6910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 6920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mParent="); writer.println(mParent); 6930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null && mAvailIndices.size() > 0) { 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mAvailIndices: "); 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailIndices.toArray())); 708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 7129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 7139277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 7149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 7159277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7169277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 7179277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7189277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 7199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 7209277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 7219277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 7229277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 7239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 7249277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 7259277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 7269277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 7279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 7289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 7299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 7309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 7319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 7349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 7359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 7369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 7379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 7389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7399277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7409277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 7429277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation animObj = fragment.onCreateAnimation(transit, enter, 743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mNextAnim); 744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mNextAnim != 0) { 749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = AnimationUtils.loadAnimation(mActivity, fragment.mNextAnim); 750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7649277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 7659277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 7669277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.125f, 1.0f, 0, 1); 7679277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 7689277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, .975f, 1, 0); 7699277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 7709277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, .975f, 1.0f, 0, 1); 7719277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 7729277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, 1.075f, 1, 0); 7739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 7749277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 0, 1); 7759277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 7769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 1, 0); 7779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0 && mActivity.getWindow() != null) { 780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle = mActivity.getWindow().getAttributes().windowAnimations; 781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 799abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 800abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 80179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 80279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 80379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 80479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 80579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 806abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 8075506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 808abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 809abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 810abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 8115506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 8125506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 81474c671b3b67000bf16b4865a8d361344310dccbeDianne Hackborn if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 8172c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 8182c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn // While removing a fragment, we can't change it to a higher state. 8192c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = f.mState; 8202c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 8216cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 8226cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 8236cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 824abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 825abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 8279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 8289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 8299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 8309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 8319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 8329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 8395506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, f.mStateAfterAnimating, 0, 0, true); 840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 85379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 85479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 85579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 85679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mDeferStart = true; 85779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (newState > Fragment.STOPPED) { 85879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell newState = Fragment.STOPPED; 85979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 86079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = mActivity; 8630adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mParentFragment = mParent; 8640adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mFragmentManager = mParent != null 8650adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn ? mParent.mChildFragmentManager : mActivity.mFragments; 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onAttach(mActivity); 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 8720adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.mParentFragment == null) { 8730adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mActivity.onAttachFragment(f); 8740adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 8750adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 8770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performCreate(f.mSavedFragmentState); 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 8840adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mView = f.performCreateView(f.getLayoutInflater( 8850adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), null, f.mSavedFragmentState); 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 889715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 890e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 897e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 9010adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn container = (ViewGroup)mContainer.findViewById(f.mContainerId); 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 90313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalArgumentException( 90413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No view found for id 0x" 90513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 90613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + f.getResources().getResourceName(f.mContainerId) 90713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + ") for fragment " + f)); 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 9110adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mView = f.performCreateView(f.getLayoutInflater( 9120adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), container, f.mSavedFragmentState); 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 9179277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(f, transit, true, 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView.startAnimation(anim); 921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 924715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 925e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 9300adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 9310adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performActivityCreated(f.mSavedFragmentState); 932e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 9330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.restoreViewState(f.mSavedFragmentState); 934e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 938e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 939e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 9419c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = true; 9470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performResume(); 9484e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 9494e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 9570adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performPause(); 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = false; 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 965e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 966218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 967218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 968218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 969218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 972e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mActivity.isFinishing() && f.mSavedViewState == null) { 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 9809c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCurState > Fragment.INITIALIZING && !mDestroyed) { 9849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = f.mView; 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn anim.setAnimationListener(new AnimationListener() { 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAnimatingAway != null) { 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAnimatingAway = null; 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, fragment.mStateAfterAnimating, 9975506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn 0, 0, false); 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationRepeat(Animation animation) { 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationStart(Animation animation) { 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 10079277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer.removeView(f.mView); 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View v = f.mAnimatingAway; 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 10362c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 10400adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performDestroy(); 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDetach(); 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDetach()"); 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10495506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 10505506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 10515506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 10525506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 10535506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mActivity = null; 10545506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 10555506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 10562c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mState = newState; 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 10665506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, boolean always) { 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(newState, 0, 0, always); 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, int transit, int transitStyle, boolean always) { 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null && newState != Fragment.INITIALIZING) { 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("No activity"); 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!always && mCurState == newState) { 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10810adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1084abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 10885506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, newState, transit, transitStyle, false); 1089abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1090abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1091abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1095abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1096abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1097abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1098abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 10992a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (mNeedMenuInvalidate && mActivity != null && mCurState == Fragment.RESUMED) { 1100681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 1101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1105abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1106abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 11071199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 11081199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1109abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 1110abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell Fragment f = mActive.get(i); 1111abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1112abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1113abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1114abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1115abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null || mAvailIndices.size() <= 0) { 1123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null) { 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(); 1125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 11260adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.setIndex(mActive.size(), mParent); 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 11300adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1), mParent); 1131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, f); 1132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1133be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1141be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, null); 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(f.mIndex); 11470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mActivity.invalidateSupportFragment(f.mWho); 11489c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1156e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1157e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 11583a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 11593a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 11603a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1161e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1162e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1163e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 11642a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1165e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1166e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1167e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1168e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1169e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeFragment(Fragment fragment, int transition, int transitionStyle) { 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1175e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1176e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1177464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1178464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1179464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 11802a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1181e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1182e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1183e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1184e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1185e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, 11865506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn transition, transitionStyle, false); 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void hideFragment(Fragment fragment, int transition, int transitionStyle) { 1191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 11959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.GONE); 1201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12022a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(true); 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void showFragment(Fragment fragment, int transition, int transitionStyle) { 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 12149277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.VISIBLE); 1220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12212a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(false); 1225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1228e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void detachFragment(Fragment fragment, int transition, int transitionStyle) { 1229e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1230e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1231e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1232e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1233e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1234464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 12353a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); 1236464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1237464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 12382a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1239e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1240e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1241e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 12425506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, Fragment.CREATED, transition, transitionStyle, false); 1243e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1244e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1245e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1246e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1247e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void attachFragment(Fragment fragment, int transition, int transitionStyle) { 1248e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1249e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1250e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1251e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1252464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded == null) { 1253464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1254464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 12553a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 12563a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 12573a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 12583a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "add from attach: " + fragment); 1259e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1260e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 12612a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1262e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1263e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 12645506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, mCurState, transition, transitionStyle, false); 1265e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1266e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1267e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1268e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1270464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1278464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1279464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 1280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1292464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null && tag != null) { 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1300464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1301464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 13170adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null && (f=f.findFragmentByWho(who)) != null) { 1318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void enqueueAction(Runnable action, boolean allowStateLoss) { 1337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 1342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions = new ArrayList<Runnable>(); 1346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions.size() == 1) { 1349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.post(mExecCommit); 1351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 1403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 1407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 1408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mExecutingActions) { 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Recursive entry to executePendingTransactions"); 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (Looper.myLooper() != mActivity.mHandler.getLooper()) { 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Must be called from main thread of process"); 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean didSomething = false; 1424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (true) { 1426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int numActions; 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null || mPendingActions.size() == 0) { 143079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell break; 1431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn numActions = mPendingActions.size(); 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTmpActions == null || mTmpActions.length < numActions) { 1435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions = new Runnable[numActions]; 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.toArray(mTmpActions); 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.clear(); 1439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = true; 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<numActions; i++) { 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions[i].run(); 14459f491519261135d9de50b60c2182755ccb665bf5Jeff Sharkey mTmpActions[i] = null; 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = false; 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn didSomething = true; 1449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 145079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 145179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 145279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 145379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell for (int i=0; i<mActive.size(); i++) { 145479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell Fragment f = mActive.get(i); 145579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 145679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 145779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 145879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 145979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 146079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 146179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 146279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 146379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 146479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return didSomething; 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 146679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean popBackStackState(Handler handler, String name, int id, int flags) { 1484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) { 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int last = mBackStack.size()-1; 1489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final BackStackRecord bss = mBackStack.remove(last); 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bss.popFromBackStack(true); 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 1504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 1523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final ArrayList<BackStackRecord> states 1532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new ArrayList<BackStackRecord>(); 1533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mBackStack.size()-1; i>index; i--) { 1534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.add(mBackStack.remove(i)); 1535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int LAST = states.size()-1; 1537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<=LAST; i++) { 1538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i)); 1539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.get(i).popFromBackStack(i == LAST); 1540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> retainNonConfig() { 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mRetainInstance) { 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragments == null) { 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments = new ArrayList<Fragment>(); 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments.add(f); 1556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = true; 15572c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 1558be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fragments; 1563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 1567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 1570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 1571ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 1572ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 1573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 1575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 1576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 1577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 1578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 15815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 15825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 15835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 15845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 15855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 15865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15870adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performSaveInstanceState(mStateBundle); 15885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 15895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 15905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 15915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 15935c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 15945c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 15955c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 15975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 15985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 15995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 16015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 16025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 160379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 1604f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 1605f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 1606f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 160779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 160879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 160979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 16105c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 16125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 1614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 1615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 1616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 1617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 1618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1619681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 1620681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 1621681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 1622681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 1623681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 1624681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 1625681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 1626681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 1627681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 1628681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 1629681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1630681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 1633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 1638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 16431b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 164413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 164513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + f 164613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + f.mIndex)); 16471b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 16481b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 1649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 1650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 1652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 1653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 16555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 1656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 165913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 166013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: " + f 166113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has target not in fragment manager: " + f.mTarget)); 1662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 1667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 1668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 1669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 1670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 1671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 1672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 1677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 1680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 1681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 1685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 1686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 1690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 1691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 1693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 1697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 16991b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (added[i] < 0) { 170013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 170113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + mAdded.get(i) 170213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + added[i])); 17031b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 1704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 1705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 1715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack[i] = new BackStackState(this, mBackStack.get(i)); 1717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 1718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 1719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 1724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 1725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 1726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 1727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 1728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) { 1731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 1732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 1733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 1734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 1736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 1738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 1739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 1743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[f.mIndex]; 1744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 1745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 1748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 17492c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 1751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader()); 1752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 1753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 1759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 1760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(fms.mActive.length); 1761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null) { 1762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.clear(); 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 1765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 1766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 17670adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment f = fs.instantiate(mActivity, mParent); 17683a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: active #" + i + ": " + f); 1769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 1771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 1772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(null); 1776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 17793a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: avail #" + i); 1780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(i); 1781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 1785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 17882c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 17892c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex < mActive.size()) { 17902c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = mActive.get(f.mTargetIndex); 1791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 17932c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 1794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = null; 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 1801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 1802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 1803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 1804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 1805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 180613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 180713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i])); 1808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 18103a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: added #" + i + ": " + f); 18113a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(f)) { 18123a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Already added!"); 18133a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(f); 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 1818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 1821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 1822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 1823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 1824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 18253a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) { 18263a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn Log.v(TAG, "restoreAllState: back stack #" + i 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 18283a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn LogWriter logw = new LogWriter(TAG); 18293a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn PrintWriter pw = new PrintWriter(logw); 18303a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn bse.dump(" ", pw, false); 18313a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 1833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 1834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 1835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 1839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 18420adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void attachActivity(FragmentActivity activity, 18430adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer container, Fragment parent) { 184413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn if (mActivity != null) throw new IllegalStateException("Already attached"); 1845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = activity; 18460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = container; 18470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = parent; 1848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 1851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 1855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.CREATED, false); 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 1860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 1865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 1870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.RESUMED, false); 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 1875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 1879681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 1880681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 1881681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 1882681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1883681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1884e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(Fragment.STOPPED, false); 1885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1887218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 1888218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1889681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1890681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 18910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void dispatchDestroyView() { 18920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn moveToState(Fragment.CREATED, false); 18930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 18940adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 1896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 1897e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 1898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.INITIALIZING, false); 1899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = null; 19000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = null; 19010adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = null; 1902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 1905464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 19090adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performConfigurationChanged(newConfig); 1910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 1916464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 19200adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performLowMemory(); 1921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 1929464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19320adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performCreateOptionsMenu(menu, inflater)) { 19340adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 19350adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (newMenus == null) { 19360adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus = new ArrayList<Fragment>(); 19370adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 19380adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus.add(f); 1939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 1946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 1948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 1949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 1954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 1959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1960464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19630adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19640adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performPrepareOptionsMenu(menu)) { 19650adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 19660adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 1974464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19770adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19780adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performOptionsItemSelected(item)) { 1979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 1988464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performContextItemSelected(item)) { 1993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 2002464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20050adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 20060adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performOptionsMenuClosed(menu); 2007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 2013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 2014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 2016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 2017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 2019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 2020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 2022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 2023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 2026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 20299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 20309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 20319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 20329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 20339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 20349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 20359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 2036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 2037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 2038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 20409277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 2041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 20439277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 2044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 20469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 2047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 2050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 2052