FragmentManager.java revision 9277b9e4419c1f0b5236d9b573a7cc0b23d56402
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.R; 209277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 21cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 23cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Handler; 24cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 25cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 30cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 33cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 35cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation.AnimationListener; 40cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.Menu; 41cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuInflater; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuItem; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View; 44cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ViewGroup; 45cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 46cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 49cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 50cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 51cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 52cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.FragmentManager}. 53cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 54cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 55cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to switch to the framework's implementation. See the framework SDK 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 57cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 58cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Your activity must derive from {@link FragmentActivity} to use this. 59cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 62cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentManager.getBackStackEntry()}. 67cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 70cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 81cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 82cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 83cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 84cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 85cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 86cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 87cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** @hide -- remove once prebuilts are in. */ 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentById(int id); 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerImpl extends FragmentManager { 348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 351681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 352681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Runnable> mPendingActions; 358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable[] mTmpActions; 359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mActive; 362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailIndices; 364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return execPendingActions(); 400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, -1, 0); 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, -1, 0); 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, name, -1, flags); 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, name, -1, flags); 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, id, flags); 442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, id, flags); 454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + fragment 485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " is not currently in the FragmentManager"); 486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index >= mActive.size()) { 497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragement no longer exists for key " 503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + key + ": index " + index); 504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn DebugUtils.buildShortClassTag(mActivity, sb); 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable r = mPendingActions.get(i); 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null && mAvailIndices.size() > 0) { 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mAvailIndices: "); 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailIndices.toArray())); 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 6279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 6289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 6299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 6309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 6319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 6339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 6359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 6369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 6379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 6389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 6399277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 6409277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 6419277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 6429277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 6439277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 6449277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 6459277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 6469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 6479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 6489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6499277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 6509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 6519277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 6529277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 6539277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 6549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 6559277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 6569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 6589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation animObj = fragment.onCreateAnimation(transit, enter, 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mNextAnim); 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mNextAnim != 0) { 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = AnimationUtils.loadAnimation(mActivity, fragment.mNextAnim); 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 6809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 6819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 6829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.125f, 1.0f, 0, 1); 6839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 6849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, .975f, 1, 0); 6859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 6869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, .975f, 1.0f, 0, 1); 6879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 6889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, 1.075f, 1, 0); 6899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 6909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 0, 1); 6919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 6929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 1, 0); 6939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 6949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0 && mActivity.getWindow() != null) { 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle = mActivity.getWindow().getAttributes().windowAnimations; 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle) { 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mAdded && newState > Fragment.CREATED) { 718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 7229277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 7239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 7249277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 7259277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 7269277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 7279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, f.mStateAfterAnimating, 0, 0); 735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = mActivity; 750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mFragmentManager = mActivity.mFragments; 751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onAttach(mActivity); 753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.onAttachFragment(f); 758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreate(f.mSavedFragmentState); 762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onCreate()"); 765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn null, f.mSavedFragmentState); 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.restoreViewState(); 778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CONTENT: " + f); 786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container = (ViewGroup)mActivity.findViewById(f.mContainerId); 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("No view found for id 0x" 792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + Integer.toHexString(f.mContainerId) 793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " for fragment " + f); 794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState), 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container, f.mSavedFragmentState); 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 8039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(f, transit, true, 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView.startAnimation(anim); 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.restoreViewState(); 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onActivityCreated(f.mSavedFragmentState); 819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onActivityCreated()"); 822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.ACTIVITY_CREATED) { 827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onStart(); 830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStart()"); 833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = true; 840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onResume(); 841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onResume()"); 844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPause(); 854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onPause()"); 857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = false; 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onStop()"); 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CONTENT: " + f); 873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mActivity.isFinishing() && f.mSavedViewState == null) { 877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyView(); 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroyView()"); 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCurState > Fragment.INITIALIZING && !mDestroyed) { 8899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = f.mView; 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn anim.setAnimationListener(new AnimationListener() { 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAnimatingAway != null) { 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAnimatingAway = null; 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, fragment.mStateAfterAnimating, 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 0, 0); 903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationRepeat(Animation animation) { 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationStart(Animation animation) { 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 9129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer.removeView(f.mView); 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View v = f.mAnimatingAway; 931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroy(); 946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDestroy()"); 949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDetach(); 954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDetach()"); 957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mImmediateActivity = null; 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = null; 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mFragmentManager = null; 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mState = newState; 967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, mCurState, 0, 0); 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, boolean always) { 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(newState, 0, 0, always); 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, int transit, int transitStyle, boolean always) { 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null && newState != Fragment.INITIALIZING) { 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("No activity"); 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!always && mCurState == newState) { 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(f, newState, transit, transitStyle); 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate && mActivity != null) { 996681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null || mAvailIndices.size() <= 0) { 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null) { 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(); 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mActive.size()); 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1)); 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, f); 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f.mIndex); 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, null); 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(f.mIndex); 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.invalidateFragmentIndex(f.mIndex); 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.clearIndex(); 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(fragment); 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn makeActive(fragment); 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAdded = true; 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mRemoving = false; 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHasMenu) { 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (moveToStateNow) { 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment); 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeFragment(Fragment fragment, int transition, int transitionStyle) { 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.remove(fragment); 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final boolean inactive = fragment.mBackStackNesting <= 0; 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHasMenu) { 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAdded = false; 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mRemoving = true; 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transition, transitionStyle); 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (inactive) { 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn makeInactive(fragment); 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void hideFragment(Fragment fragment, int transition, int transitionStyle) { 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 10739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.GONE); 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu) { 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(true); 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void showFragment(Fragment fragment, int transition, int transitionStyle) { 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 10929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.VISIBLE); 1098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu) { 1100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(false); 1103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && tag != null) { 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && who.equals(f.mWho)) { 1151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void enqueueAction(Runnable action, boolean allowStateLoss) { 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions = new ArrayList<Runnable>(); 1179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions.size() == 1) { 1182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.post(mExecCommit); 1184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 1234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 1236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 1240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 1241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 1246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 1248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mExecutingActions) { 1249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Recursive entry to executePendingTransactions"); 1250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (Looper.myLooper() != mActivity.mHandler.getLooper()) { 1253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Must be called from main thread of process"); 1254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean didSomething = false; 1257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (true) { 1259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int numActions; 1260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null || mPendingActions.size() == 0) { 1263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return didSomething; 1264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn numActions = mPendingActions.size(); 1267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTmpActions == null || mTmpActions.length < numActions) { 1268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions = new Runnable[numActions]; 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.toArray(mTmpActions); 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.clear(); 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = true; 1276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<numActions; i++) { 1277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions[i].run(); 1278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = false; 1280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn didSomething = true; 1281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 1286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 1287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 1295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean popBackStackState(Handler handler, String name, int id, int flags) { 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) { 1305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int last = mBackStack.size()-1; 1306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 1307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1308cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final BackStackRecord bss = mBackStack.remove(last); 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bss.popFromBackStack(true); 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 1314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 1316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 1317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 1318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 1321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 1324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 1329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 1332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 1334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 1337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 1338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 1340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 1346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final ArrayList<BackStackRecord> states 1349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new ArrayList<BackStackRecord>(); 1350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mBackStack.size()-1; i>index; i--) { 1351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.add(mBackStack.remove(i)); 1352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int LAST = states.size()-1; 1354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<=LAST; i++) { 1355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i)); 1356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.get(i).popFromBackStack(i == LAST); 1357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> retainNonConfig() { 1364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 1365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mRetainInstance) { 1369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragments == null) { 1370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments = new ArrayList<Fragment>(); 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments.add(f); 1373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = true; 1374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fragments; 1378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 1385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 1386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 1388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 1395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 1396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 1398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1399681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 1400681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 1401681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 1402681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 1403681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 1404681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 1405681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 1406681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 1407681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 1408681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 1409681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1410681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 1418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 1424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 1426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateBundle == null) { 1430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateBundle = new Bundle(); 1431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onSaveInstanceState(mStateBundle); 1433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mStateBundle.isEmpty()) { 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = mStateBundle; 1435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateBundle = null; 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 1439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 1440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedViewState != null) { 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putSparseParcelableArray( 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 1451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String msg = "Failure saving state: " + f 1452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " has target not in fragment manager: " + f.mTarget; 1453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.e(TAG, msg); 1454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { }); 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException(msg); 1456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 1461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 1463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 1464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 1466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 1474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 1475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 1479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 1480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 1484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 1485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 1487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 1504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack[i] = new BackStackState(this, mBackStack.get(i)); 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 1508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 1514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 1516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) { 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 1523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 1525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 1532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[f.mIndex]; 1533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 1534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 1535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 1536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 1537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 1538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 1539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader()); 1540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 1541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(fms.mActive.length); 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null) { 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.clear(); 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 1555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = fs.instantiate(mActivity); 1556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": " + f); 1557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 1561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 1562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": (null)"); 1564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(null); 1565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding avail #" + i); 1569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(i); 1570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 1574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < mActive.size()) { 1579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = mActive.get(f.mTarget.mIndex); 1580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 1582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " target no longer exists: " + f.mTarget); 1583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = null; 1584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 1590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 1591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 1592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 1593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 1594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 1595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i]); 1597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 1599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mImmediateActivity = mActivity; 1600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: making added #" + i + ": " + f); 1601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(f); 1602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 1605cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1606cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1607cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 1608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 1609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 1610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 1611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 1612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: adding bse #" + i 1613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 1614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 1615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 1616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 1617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 1621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void attachActivity(FragmentActivity activity) { 1625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity != null) throw new IllegalStateException(); 1626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = activity; 1627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 1630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 1634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.CREATED, false); 1636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 1644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 1649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.RESUMED, false); 1651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 1658681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 1659681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 1660681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 1661681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1662681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1666681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn public void dispatchReallyStop(boolean retaining) { 1667681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (mActive != null) { 1668681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1669681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn Fragment f = mAdded.get(i); 1670681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (f != null) { 1671681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn f.performReallyStop(retaining); 1672681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1673681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1674681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1675681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1676681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 1678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 1679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.INITIALIZING, false); 1680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = null; 1681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 1684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onConfigurationChanged(newConfig); 1689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 1695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 1699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onLowMemory(); 1700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu) { 1712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 1713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onCreateOptionsMenu(menu, inflater); 1714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null) { 1715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus = new ArrayList<Fragment>(); 1716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newMenus.add(f); 1718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 1724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 1726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 1727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 1732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu) { 1742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn show = true; 1743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onPrepareOptionsMenu(menu); 1744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 1751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu) { 1755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onOptionsItemSelected(item)) { 1756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 1765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && !f.mHidden) { 1769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.onContextItemSelected(item)) { 1770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 1779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && !f.mHidden && f.mHasMenu) { 1783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onOptionsMenuClosed(menu); 1784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 1790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 1791cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 1793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 1794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 1797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 1799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 1803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 18069277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 18079277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 18089277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 18099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 18109277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 18119277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 18129277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 1813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 1814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 1816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 18179277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 1818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 18209277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 1821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 18239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 1824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 1829