FragmentManager.java revision be2c79d9a5439922030d2a3846c81c61f0e16912
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/** 375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerImpl extends FragmentManager { 378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 381681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 382681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 38679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Runnable> mPendingActions; 389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable[] mTmpActions; 390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mActive; 393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailIndices; 395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 41179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return execPendingActions(); 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, -1, 0); 439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, -1, 0); 448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, name, -1, flags); 455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, name, -1, flags); 464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, id, flags); 474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, id, flags); 486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + fragment 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " is not currently in the FragmentManager"); 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index >= mActive.size()) { 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 5415c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 5425c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 5435c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn throw new IllegalStateException("Fragment " + fragment 5445c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn + " is not currently in the FragmentManager"); 5455c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5465c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 5475c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 5485c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 5495c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5505c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 5515c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5525c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 5535c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn DebugUtils.buildShortClassTag(mActivity, sb); 560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable r = mPendingActions.get(i); 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null && mAvailIndices.size() > 0) { 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mAvailIndices: "); 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailIndices.toArray())); 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 6729277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 6739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 6749277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 6759277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 6769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 6789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6799277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 6809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 6819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 6829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 6839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 6849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 6859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 6869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 6879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 6889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 6899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 6909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 6919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 6929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 6939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 6959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 6969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 6979277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 6989277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 6999277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 7039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation animObj = fragment.onCreateAnimation(transit, enter, 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mNextAnim); 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mNextAnim != 0) { 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = AnimationUtils.loadAnimation(mActivity, fragment.mNextAnim); 711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7259277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 7269277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 7279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.125f, 1.0f, 0, 1); 7289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 7299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, .975f, 1, 0); 7309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 7319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, .975f, 1.0f, 0, 1); 7329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 7339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, 1.075f, 1, 0); 7349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 7359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 0, 1); 7369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 7379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 1, 0); 7389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7399277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0 && mActivity.getWindow() != null) { 741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle = mActivity.getWindow().getAttributes().windowAnimations; 742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 760abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 761abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 76279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 76379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 76479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 76579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 76679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 767abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 768abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell moveToState(f, mCurState, 0, 0); 769abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 770abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 771abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle) { 773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mAdded && newState > Fragment.CREATED) { 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 7772c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 7782c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn // While removing a fragment, we can't change it to a higher state. 7792c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = f.mState; 7802c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 7816cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 7826cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 7836cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 784abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 785abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 7879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 7889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 7899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 7909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 7919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 7929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, f.mStateAfterAnimating, 0, 0); 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 81379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 81479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 81579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 81679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mDeferStart = true; 81779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (newState > Fragment.STOPPED) { 81879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell newState = Fragment.STOPPED; 81979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 82079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = mActivity; 823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mFragmentManager = mActivity.mFragments; 824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onAttach(mActivity); 826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.onAttachFragment(f); 831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreate(f.mSavedFragmentState); 835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onCreate()"); 838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn null, f.mSavedFragmentState); 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 850715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 851e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 858e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container = (ViewGroup)mActivity.findViewById(f.mContainerId); 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("No view found for id 0x" 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + Integer.toHexString(f.mContainerId) 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " for fragment " + f); 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container, f.mSavedFragmentState); 872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 8769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(f, transit, true, 877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView.startAnimation(anim); 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 883715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 884e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onActivityCreated(f.mSavedFragmentState); 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onActivityCreated()"); 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 896e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 897e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.restoreViewState(); 898e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 902e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 903e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 9069c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStart()"); 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = true; 917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onResume(); 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onResume()"); 921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 9224e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 9234e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPause(); 933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onPause()"); 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = false; 938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStop()"); 947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 949e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 950218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 951218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 952218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 953218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 956e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mActivity.isFinishing() && f.mSavedViewState == null) { 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 9659c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroyView()"); 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCurState > Fragment.INITIALIZING && !mDestroyed) { 9739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = f.mView; 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn anim.setAnimationListener(new AnimationListener() { 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAnimatingAway != null) { 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAnimatingAway = null; 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, fragment.mStateAfterAnimating, 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 0, 0); 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationRepeat(Animation animation) { 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationStart(Animation animation) { 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 9969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer.removeView(f.mView); 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View v = f.mAnimatingAway; 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 10252c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroy(); 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroy()"); 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDetach(); 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDetach()"); 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10432c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (!f.mRetaining) { 10442c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn makeInactive(f); 10452c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } else { 10462c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mActivity = null; 10472c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mFragmentManager = null; 10482c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mState = newState; 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, mCurState, 0, 0); 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, boolean always) { 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(newState, 0, 0, always); 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, int transit, int transitStyle, boolean always) { 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null && newState != Fragment.INITIALIZING) { 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("No activity"); 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!always && mCurState == newState) { 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1076abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, newState, transit, transitStyle); 1081abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1082abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1083abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1087abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1088abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1089abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1090abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 10912a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (mNeedMenuInvalidate && mActivity != null && mCurState == Fragment.RESUMED) { 1092681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1097abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1098abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 10991199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 11001199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1101abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 1102abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell Fragment f = mActive.get(i); 1103abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1104abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1105abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1106abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1107abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null || mAvailIndices.size() <= 0) { 1115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null) { 1116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(); 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mActive.size()); 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1)); 1123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, f); 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1125be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1133be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, null); 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(f.mIndex); 11393137d1472f1de9eac2e9a5dbe5b8d91282b24e66Dianne Hackborn mActivity.invalidateSupportFragmentIndex(f.mIndex); 11409c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1148e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1149e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1150e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1151e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1152e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 11532a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1154e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1155e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1156e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1157e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1158e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeFragment(Fragment fragment, int transition, int transitionStyle) { 1163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1164e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1165e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1166e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.remove(fragment); 11672a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1168e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1169e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1170e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1171e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1172e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, 1173e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn transition, transitionStyle); 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void hideFragment(Fragment fragment, int transition, int transitionStyle) { 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 11829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.GONE); 1188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 11892a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(true); 1193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void showFragment(Fragment fragment, int transition, int transitionStyle) { 1197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 12019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.VISIBLE); 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12082a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(false); 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1215e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void detachFragment(Fragment fragment, int transition, int transitionStyle) { 1216e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1217e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1218e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1219e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1220e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1221e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.remove(fragment); 12222a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1223e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1224e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1225e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1226e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, Fragment.CREATED, transition, transitionStyle); 1227e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1228e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1229e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1230e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1231e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void attachFragment(Fragment fragment, int transition, int transitionStyle) { 1232e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1233e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1234e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1235e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1236e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1237e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 12382a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1239e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1240e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1241e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, mCurState, transition, transitionStyle); 1242e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1243e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1244e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1245e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && tag != null) { 1268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && who.equals(f.mWho)) { 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void enqueueAction(Runnable action, boolean allowStateLoss) { 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions = new ArrayList<Runnable>(); 1319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions.size() == 1) { 1322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.post(mExecCommit); 1324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 1374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 1376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 1386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 1388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mExecutingActions) { 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Recursive entry to executePendingTransactions"); 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (Looper.myLooper() != mActivity.mHandler.getLooper()) { 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Must be called from main thread of process"); 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean didSomething = false; 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (true) { 1399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int numActions; 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null || mPendingActions.size() == 0) { 140379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell break; 1404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn numActions = mPendingActions.size(); 1407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTmpActions == null || mTmpActions.length < numActions) { 1408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions = new Runnable[numActions]; 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.toArray(mTmpActions); 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.clear(); 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = true; 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<numActions; i++) { 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions[i].run(); 14189f491519261135d9de50b60c2182755ccb665bf5Jeff Sharkey mTmpActions[i] = null; 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = false; 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn didSomething = true; 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 142379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 142479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 142579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 142679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell for (int i=0; i<mActive.size(); i++) { 142779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell Fragment f = mActive.get(i); 142879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 142979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 143079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 143179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 143279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 143379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 143479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 143579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 143679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 143779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return didSomething; 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 143979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 1440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 1449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 1451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 1453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean popBackStackState(Handler handler, String name, int id, int flags) { 1457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) { 1461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int last = mBackStack.size()-1; 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 1463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final BackStackRecord bss = mBackStack.remove(last); 1466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bss.popFromBackStack(true); 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 1485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final ArrayList<BackStackRecord> states 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new ArrayList<BackStackRecord>(); 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mBackStack.size()-1; i>index; i--) { 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.add(mBackStack.remove(i)); 1508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int LAST = states.size()-1; 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<=LAST; i++) { 1511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i)); 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.get(i).popFromBackStack(i == LAST); 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> retainNonConfig() { 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mRetainInstance) { 1525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragments == null) { 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments = new ArrayList<Fragment>(); 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments.add(f); 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = true; 15302c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 1531be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 1532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fragments; 1536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 1539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 1540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 1544ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 1545ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 15545c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 15555c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 15565c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 15575c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 15585c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 15595c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15605c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn f.onSaveInstanceState(mStateBundle); 15615c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 15625c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 15635c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 15645c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15655c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 15665c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 15675c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 15685c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15695c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 15705c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 15715c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 15725c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15735c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 15745c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 15755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 157679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 1577f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 1578f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 1579f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 158079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 158179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 158279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 15835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 15845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 15855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 15865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 1587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 1588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 1589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 1590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 1591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1592681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 1593681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 1594681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 1595681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 1596681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 1597681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 1598681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 1599681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 1600681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 1601681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 1602681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1603681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 1606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 1610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 1611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 1612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 1613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 1617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 1619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 1620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 16225c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 1623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 1626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String msg = "Failure saving state: " + f 1627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " has target not in fragment manager: " + f.mTarget; 1628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.e(TAG, msg); 1629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { }); 1630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException(msg); 1631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 1636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 1638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 1641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 1646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 1649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 1650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 1655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 1659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 1660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 1662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 1666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 1668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 1669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 1670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 1675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 1679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack[i] = new BackStackState(this, mBackStack.get(i)); 1681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 1682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 1683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 1688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 1689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 1690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 1691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 1692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) { 1695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 1696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 1697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 1698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 1699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 1700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 1702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 1703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 1707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[f.mIndex]; 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 1712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 17132c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 1714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 1715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader()); 1716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 1717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 1723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 1724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(fms.mActive.length); 1725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null) { 1726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.clear(); 1727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 1729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 1730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 1731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = fs.instantiate(mActivity); 1732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": " + f); 1733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 1736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 1738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": (null)"); 1740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(null); 1741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding avail #" + i); 1745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(i); 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 17532c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 17542c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex < mActive.size()) { 17552c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = mActive.get(f.mTargetIndex); 1756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 17582c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 1759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = null; 1760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 1766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 1767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 1768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 1769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 1770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 1771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i]); 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: making added #" + i + ": " + f); 1776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(f); 1777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 1780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 1783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 1784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 1785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 1786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 1787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding bse #" + i 1788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 1789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 1790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 1791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void attachActivity(FragmentActivity activity) { 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity != null) throw new IllegalStateException(); 1801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = activity; 1802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 1805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 1809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.CREATED, false); 1811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 1814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 1819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 1824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.RESUMED, false); 1826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 1829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 1833681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 1834681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 1835681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 1836681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1837681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1838e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(Fragment.STOPPED, false); 1839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1841218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 1842218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1843681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1844681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 1846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 1847e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 1848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.INITIALIZING, false); 1849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = null; 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 1853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onConfigurationChanged(newConfig); 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onLowMemory(); 1869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 18802a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 1881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 1882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreateOptionsMenu(menu, inflater); 1883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null) { 1884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus = new ArrayList<Fragment>(); 1885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus.add(f); 1887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 1893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 1895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 1896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 1901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 1906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19102a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 1911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 1912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPrepareOptionsMenu(menu); 1913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 1920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19232a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 1924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onOptionsItemSelected(item)) { 1925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 1934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19373af7ac0c50606fabc975b5f2b8576cfe3212d65dJake Wharton if (f != null && !f.mHidden && f.mUserVisibleHint) { 1938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onContextItemSelected(item)) { 1939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 1948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19512a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) { 1952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onOptionsMenuClosed(menu); 1953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 1959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 1960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 1961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 1962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 1963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 1965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 1966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 1968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 1969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 1972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 19759277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 19769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 19779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 19789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 19799277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 19809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 19819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 1982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 1983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 1984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 1985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 19869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 1987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 19899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 1990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 19929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 1993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 1996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 1998