1cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/* 2cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Copyright (C) 2011 The Android Open Source Project 3cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 4cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * you may not use this file except in compliance with the License. 6cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * You may obtain a copy of the License at 7cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 8cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 10cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Unless required by applicable law or agreed to in writing, software 11cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * See the License for the specific language governing permissions and 14cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * limitations under the License. 15cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 16cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 17cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpackage android.support.v4.app; 18cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 199277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.content.Context; 20cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 21cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Handler; 23cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Looper; 24cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 25cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.LogWriter; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.Log; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AccelerateInterpolator; 319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AlphaAnimation; 32cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.AnimationSet; 34cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.AnimationUtils; 359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.DecelerateInterpolator; 369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.Interpolator; 379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackbornimport android.view.animation.ScaleAnimation; 38cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation.AnimationListener; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.Menu; 40cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuInflater; 41cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuItem; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View; 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ViewGroup; 44cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 45cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 46cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.ArrayList; 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.Arrays; 493a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brownimport java.util.List; 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 559dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * to switch to the framework's implementation. See the framework {@link FragmentManager} 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 579dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * 589dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * <p>Your activity must derive from {@link FragmentActivity} to use this. From such an activity, 599dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * you can acquire the {@link FragmentManager} by calling 609dcd2e58138ca4eb4b18f80b50e8979329e859d6Scott Main * {@link FragmentActivity#getSupportFragmentManager}. 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 62cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic abstract class FragmentManager { 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Representation of an entry on the fragment back stack, as created 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with {@link FragmentTransaction#addToBackStack(String) 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentTransaction.addToBackStack()}. Entries can later be 67cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * retrieved with {@link FragmentManager#getBackStackEntryAt(int) 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentManager.getBackStackEntry()}. 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 70cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that you should never hold on to a BackStackEntry object; 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the identifier as returned by {@link #getId} is the only thing that 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be persisted across activity instances. 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface BackStackEntry { 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the unique identifier for the entry. This is the only 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * representation of the entry that will persist across activity 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instances. 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getId(); 81cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 82cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 832a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * Get the name that was supplied to 842a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * {@link FragmentTransaction#addToBackStack(String) 852a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn * FragmentTransaction.addToBackStack(String)} when creating this entry. 862a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn */ 872a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn public String getName(); 882a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn 892a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn /** 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title resource identifier for the entry, 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbTitleRes(); 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title resource identifier for the entry, 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or 0 if it does not have one. 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBreadCrumbShortTitleRes(); 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the full bread crumb title for the entry, or null if it 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbTitle(); 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the short bread crumb title for the entry, or null if it 109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * does not have one. 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public CharSequence getBreadCrumbShortTitle(); 112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Interface to watch for changes to the back stack. 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public interface OnBackStackChangedListener { 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called whenever the contents of the back stack change. 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onBackStackChanged(); 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Start a series of edit operations on the Fragments associated with 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this FragmentManager. 127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note: A fragment transaction can only be created/committed prior 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to an activity saving its state. If you try to commit a transaction 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()} 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart} 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error. 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is because the framework takes care of saving your current fragments 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the state, and if changes are made after the state is saved then they 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be lost.</p> 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract FragmentTransaction beginTransaction(); 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** @hide -- remove once prebuilts are in. */ 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Deprecated 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction openTransaction() { 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return beginTransaction(); 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * After a {@link FragmentTransaction} is committed with 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit FragmentTransaction.commit()}, it 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is scheduled to be executed asynchronously on the process's main thread. 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * If you want to immediately executing any such pending operations, you 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can call this function (only from the main thread) to do so. Note that 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * all callbacks and other related behavior will be done from within this 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * call, so be careful about where this is called from. 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there were any pending transactions to be 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * executed. 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean executePendingTransactions(); 158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given id either when inflated 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as the container ID when added in a transaction. This first 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack associated with this ID are searched. 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentById(int id); 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Finds a fragment that was identified by the given tag either when inflated 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from XML or as supplied when added in a transaction. This first 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * searches through fragments that are currently added to the manager's 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity; if no such fragment is found, then all fragments currently 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on the back stack are searched. 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment if found or null otherwise. 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment findFragmentByTag(String tag); 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Flag for {@link #popBackStack(String, int)} 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and {@link #popBackStack(int, int)}: If set, and the name or ID of 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a back stack entry has been supplied, then all matching entries will 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be consumed until one that doesn't match is found or the bottom of 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the stack is reached. Otherwise, all entries up to but not including that entry 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be removed. 186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final int POP_BACK_STACK_INCLUSIVE = 1<<0; 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the top state off the back stack. Returns true if there was one 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to pop, else false. This function is asynchronous -- it enqueues the 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(); 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack()}, but performs the operation immediately 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(); 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop the last fragment transition from the manager's fragment 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack. If there is nothing to pop, false is returned. 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param name If non-null, this is the name of a previous back state 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to look for; if found, all states up to that state will be popped. The 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. If null, only the top state is popped. 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(String name, int flags); 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(String, int)}, but performs the operation immediately 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(String name, int flags); 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Pop all back stack states up to the one with the given identifier. 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This function is asynchronous -- it enqueues the 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * request to pop, but the action will not be performed until the application 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * returns to its event loop. 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param id Identifier of the stated to be popped. If no identifier exists, 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * false is returned. 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The identifier is the number returned by 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the named state itself is popped. 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}. 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void popBackStack(int id, int flags); 243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #popBackStack(int, int)}, but performs the operation immediately 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inside of the call. This is like calling {@link #executePendingTransactions()} 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * afterwards. 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns true if there was something popped, else false. 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract boolean popBackStackImmediate(int id, int flags); 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the number of entries currently in the back stack. 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract int getBackStackEntryCount(); 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the BackStackEntry at index <var>index</var> in the back stack; 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * entries start index 0 being the bottom of the stack. 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract BackStackEntry getBackStackEntryAt(int index); 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Add a new listener for changes to the fragment back stack. 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener); 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Remove a listener that was previously added with 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}. 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener); 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Put a reference to a fragment in a Bundle. This Bundle can be 276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * persisted as saved state, and when later restoring 277cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #getFragment(Bundle, String)} will return the current 278cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * instance of the same fragment. 279cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 280cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle in which to put the fragment reference. 281cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 282cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The Fragment whose reference is to be stored. 283cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void putFragment(Bundle bundle, String key, Fragment fragment); 285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 286cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Retrieve the current Fragment instance for a reference previously 288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed with {@link #putFragment(Bundle, String, Fragment)}. 289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param bundle The bundle from which to retrieve the fragment reference. 291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param key The name of the entry in the bundle. 292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns the current Fragment instance that is associated with 293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given reference. 294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract Fragment getFragment(Bundle bundle, String key); 296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2983a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * Get a list of all fragments that have been added to the fragment manager. 2993a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * 3003a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * @return The list of all fragments or null if none. 3013a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown * @hide 3023a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown */ 3033a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown public abstract List<Fragment> getFragments(); 3043a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 3053a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown /** 3065c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Save the current instance state of the given Fragment. This can be 3075c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * used later when creating a new instance of the Fragment and adding 3085c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * it to the fragment manager, to have it create itself to match the 3095c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * current state returned here. Note that there are limits on how 3105c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this can be used: 3115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <ul> 3135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The Fragment must currently be attached to the FragmentManager. 3145c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>A new Fragment created using this saved state must be the same class 3155c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * type as the Fragment it was created from. 3165c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * <li>The saved state can not contain dependencies on other fragments -- 3175c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * that is it can't use {@link #putFragment(Bundle, String, Fragment)} to 3185c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * store a fragment reference because that reference may not be valid when 3195c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * this saved state is later used. Likewise the Fragment's target and 3205c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * result code are not included in this state. 3215c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * </ul> 3225c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 3235c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param f The Fragment whose state is to be saved. 3245c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @return The generated state. This will be null if there was no 3255c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * interesting state created by the fragment. 3265c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 3275c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f); 3285c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3295c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the FragmentManager's state into the given stream. 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer A PrintWriter to which the dump is to be set. 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Additional arguments to the dump request. 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args); 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether the framework's internal fragment manager debugging 341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * logs are turned on. If enabled, you will see output in logcat as 342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the framework performs fragment operations. 343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static void enableDebugLogging(boolean enabled) { 345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.DEBUG = enabled; 346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentManagerState implements Parcelable { 350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] mActive; 351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] mAdded; 352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] mBackStack; 353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState() { 355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState(Parcel in) { 358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = in.createTypedArray(FragmentState.CREATOR); 359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = in.createIntArray(); 360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = in.createTypedArray(BackStackState.CREATOR); 361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mActive, flags); 369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeIntArray(mAdded); 370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeTypedArray(mBackStack, flags); 371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentManagerState> CREATOR 374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentManagerState>() { 375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState createFromParcel(Parcel in) { 376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState(in); 377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentManagerState[] newArray(int size) { 380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentManagerState[size]; 381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 3860adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn * Callbacks from FragmentManagerImpl to its container. 3870adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn */ 3880adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborninterface FragmentContainer { 3890adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public View findViewById(int id); 3900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn} 3910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 3920adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn/** 393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Container for fragments associated with an activity. 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 395461b48b4588ac21b97aa40553f04222c2c0344e7Chris Banesfinal class FragmentManagerImpl extends FragmentManager { 396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static boolean DEBUG = false; 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TAG = "FragmentManager"; 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 399681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11; 400681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state"; 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String TARGET_STATE_TAG = "android:target_state"; 403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final String VIEW_STATE_TAG = "android:view_state"; 40479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint"; 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Runnable> mPendingActions; 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable[] mTmpActions; 408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mExecutingActions; 409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mActive; 411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mAdded; 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailIndices; 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStack; 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> mCreatedMenus; 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Must be accessed while locked. 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<BackStackRecord> mBackStackIndices; 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Integer> mAvailBackStackIndices; 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<OnBackStackChangedListener> mBackStackChangeListeners; 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mCurState = Fragment.INITIALIZING; 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 4240adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer mContainer; 4250adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment mParent; 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mNeedMenuInvalidate; 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mStateSaved; 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mDestroyed; 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mNoTransactionsBecause; 43179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean mHavePendingDeferredStart; 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Temporary vars for state save and restore. 434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mStateBundle = null; 435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mStateArray = null; 436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable mExecCommit = new Runnable() { 438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void run() { 440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 44413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn private void throwException(RuntimeException ex) { 44513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, ex.getMessage()); 446ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Activity state:"); 44713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn LogWriter logw = new LogWriter(TAG); 44813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn PrintWriter pw = new PrintWriter(logw); 44913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn if (mActivity != null) { 450ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 45113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn mActivity.dump(" ", null, pw, new String[] { }); 452ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 453ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn Log.e(TAG, "Failed dumping state", e); 454ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 455ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } else { 456ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn try { 45713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn dump(" ", null, pw, new String[] { }); 458ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } catch (Exception e) { 45913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn Log.e(TAG, "Failed dumping state", e); 460ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 461ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 46213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throw ex; 463ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn } 464ec9fb2522d42d1ff73ddffa12b318d925c10ab18Dianne Hackborn 465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentTransaction beginTransaction() { 467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new BackStackRecord(this); 468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean executePendingTransactions() { 472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return execPendingActions(); 473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack() { 477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, -1, 0); 480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 485cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate() { 486cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 487cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, -1, 0); 489cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final String name, final int flags) { 493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, name, -1, flags); 496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(String name, int flags) { 502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, name, -1, flags); 505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void popBackStack(final int id, final int flags) { 509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn enqueueAction(new Runnable() { 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override public void run() { 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn popBackStackState(mActivity.mHandler, null, id, flags); 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }, false); 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean popBackStackImmediate(int id, int flags) { 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn executePendingTransactions(); 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id < 0) { 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalArgumentException("Bad id: " + id); 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return popBackStackState(mActivity.mHandler, null, id, flags); 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int getBackStackEntryCount() { 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack != null ? mBackStack.size() : 0; 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public BackStackEntry getBackStackEntryAt(int index) { 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mBackStack.get(index); 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addOnBackStackChangedListener(OnBackStackChangedListener listener) { 541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners == null) { 542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>(); 543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.add(listener); 545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) { 549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.remove(listener); 551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void putFragment(Bundle bundle, String key, Fragment fragment) { 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mIndex < 0) { 55713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragment " + fragment 55813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bundle.putInt(key, fragment.mIndex); 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment getFragment(Bundle bundle, String key) { 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = bundle.getInt(key, -1); 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == -1) { 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index >= mActive.size()) { 57013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragement no longer exists for key " 57113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(index); 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 57513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException("Fragement no longer exists for key " 57613fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + key + ": index " + index)); 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 5823a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown public List<Fragment> getFragments() { 5833a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown return mActive; 5843a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown } 5853a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown 5863a1a7fff9873abbf8097c96f7654a459bf34f223Jeff Brown @Override 5875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) { 5885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mIndex < 0) { 58913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException( new IllegalStateException("Fragment " + fragment 59013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " is not currently in the FragmentManager")); 5915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (fragment.mState > Fragment.INITIALIZING) { 5935c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = saveFragmentBasicState(fragment); 5945c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result != null ? new Fragment.SavedState(result) : null; 5955c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return null; 5975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 5985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 5995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("FragmentManager{"); 603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(System.identityHashCode(this))); 604cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" in "); 6050adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 6060adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mParent, sb); 6070adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } else { 6080adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn DebugUtils.buildShortClassTag(mActivity, sb); 6090adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append("}}"); 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String innerPrefix = prefix + " "; 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N; 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mActive.size(); 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("Active Fragments in "); 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(System.identityHashCode(this))); 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(":"); 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f); 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.dump(innerPrefix, fd, writer, args); 631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Added Fragments:"); 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mCreatedMenus.size(); 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Fragments Created Menus:"); 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(f.toString()); 656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack:"); 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStack.get(i); 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs.toString()); 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bs.dump(innerPrefix, fd, writer, args); 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices != null) { 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStackIndices.size(); 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Back Stack Indices:"); 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bs = mBackStackIndices.get(i); 680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(bs); 682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) { 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAvailBackStackIndices: "); 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailBackStackIndices.toArray())); 689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions != null) { 693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mPendingActions.size(); 694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Pending Actions:"); 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Runnable r = mPendingActions.get(i); 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" #"); writer.print(i); 699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(": "); writer.println(r); 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("FragmentManager misc state:"); 7050adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mActivity="); writer.println(mActivity); 7060adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mContainer="); writer.println(mContainer); 7070adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (mParent != null) { 7080adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn writer.print(prefix); writer.print(" mParent="); writer.println(mParent); 7090adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState); 711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mStateSaved="); writer.print(mStateSaved); 712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mDestroyed="); writer.println(mDestroyed); 713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNeedMenuInvalidate) { 714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNeedMenuInvalidate="); 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNeedMenuInvalidate); 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mNoTransactionsBecause="); 719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mNoTransactionsBecause); 720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null && mAvailIndices.size() > 0) { 722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print(" mAvailIndices: "); 723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(Arrays.toString(mAvailIndices.toArray())); 724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7279277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f); 7289277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f); 7299277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f); 7309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f); 7319277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7329277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static final int ANIM_DUR = 220; 7339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7349277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeOpenCloseAnimation(Context context, float startScale, 7359277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn float endScale, float startAlpha, float endAlpha) { 7369277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AnimationSet set = new AnimationSet(false); 7379277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale, 7389277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f); 7399277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setInterpolator(DECELERATE_QUINT); 7409277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn scale.setDuration(ANIM_DUR); 7419277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(scale); 7429277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha); 7439277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setInterpolator(DECELERATE_CUBIC); 7449277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn alpha.setDuration(ANIM_DUR); 7459277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn set.addAnimation(alpha); 7469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return set; 7479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7499277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn static Animation makeFadeAnimation(Context context, float start, float end) { 7509277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn AlphaAnimation anim = new AlphaAnimation(start, end); 7519277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setInterpolator(DECELERATE_CUBIC); 7529277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim.setDuration(ANIM_DUR); 7539277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return anim; 7549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7559277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 7569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation loadAnimation(Fragment fragment, int transit, boolean enter, 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int transitionStyle) { 7589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation animObj = fragment.onCreateAnimation(transit, enter, 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mNextAnim); 760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (animObj != null) { 761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animObj; 762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mNextAnim != 0) { 765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = AnimationUtils.loadAnimation(mActivity, fragment.mNextAnim); 766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return anim; 768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transit == 0) { 772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int styleIndex = transitToStyleIndex(transit, enter); 776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (styleIndex < 0) { 777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 7809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn switch (styleIndex) { 7819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_ENTER: 7829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.125f, 1.0f, 0, 1); 7839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_OPEN_EXIT: 7849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, .975f, 1, 0); 7859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_ENTER: 7869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, .975f, 1.0f, 0, 1); 7879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_CLOSE_EXIT: 7889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeOpenCloseAnimation(mActivity, 1.0f, 1.075f, 1, 0); 7899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_ENTER: 7909277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 0, 1); 7919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn case ANIM_STYLE_FADE_EXIT: 7929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return makeFadeAnimation(mActivity, 1, 0); 7939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 7949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0 && mActivity.getWindow() != null) { 796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle = mActivity.getWindow().getAttributes().windowAnimations; 797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (transitionStyle == 0) { 799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 802cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle, 803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // com.android.internal.R.styleable.FragmentAnimation); 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //int anim = attrs.getResourceId(styleIndex, 0); 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //attrs.recycle(); 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //if (anim == 0) { 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // return null; 809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //} 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //return AnimatorInflater.loadAnimator(mActivity, anim); 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 815abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell public void performPendingDeferredStart(Fragment f) { 816abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mDeferStart) { 81779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mExecutingActions) { 81879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Wait until we're done executing our pending transactions 81979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = true; 82079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return; 82179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 822abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell f.mDeferStart = false; 8235506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 824abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 825abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 826abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 8275506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn void moveToState(Fragment f, int newState, int transit, int transitionStyle, 8285506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn boolean keepActive) { 829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Fragments that are not currently added will sit in the onCreate() state. 83074c671b3b67000bf16b4865a8d361344310dccbeDianne Hackborn if ((!f.mAdded || f.mDetached) && newState > Fragment.CREATED) { 831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn newState = Fragment.CREATED; 832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 8332c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mRemoving && newState > f.mState) { 8342c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn // While removing a fragment, we can't change it to a higher state. 8352c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = f.mState; 8362c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 8376cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // Defer start if requested; don't allow it to move to STARTED or higher 8386cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell // if it's not already started. 8396cafd27a3c89dfed10d7e226dc6168307513d4a6Adam Powell if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) { 840abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell newState = Fragment.STOPPED; 841abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState < newState) { 8439277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // For fragments that are created from a layout, when restoring from 8449277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // state we don't want to allow them to be created until they are 8459277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn // being reloaded from the layout. 8469277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn if (f.mFromLayout && !f.mInLayout) { 8479277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn return; 8489277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn } 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment is currently being animated... but! Now we 851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // want to move our state back up. Give up on waiting for the 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation, move to whatever the final state should be once 853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the animation is done, and then we can proceed from there. 854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 8555506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, f.mStateAfterAnimating, 0, 0, true); 856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.INITIALIZING: 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto CREATED: " + f); 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mSavedFragmentState != null) { 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray( 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = getFragment(f.mSavedFragmentState, 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG); 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode = f.mSavedFragmentState.getInt( 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0); 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 86979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mUserVisibleHint = f.mSavedFragmentState.getBoolean( 87079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true); 87179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 87279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell f.mDeferStart = true; 87379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (newState > Fragment.STOPPED) { 87479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell newState = Fragment.STOPPED; 87579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 87679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mActivity = mActivity; 8790adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mParentFragment = mParent; 8800adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mFragmentManager = mParent != null 8810adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn ? mParent.mChildFragmentManager : mActivity.mFragments; 882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onAttach(mActivity); 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onAttach()"); 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 8880adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.mParentFragment == null) { 8890adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mActivity.onAttachFragment(f); 8900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 8910adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 8930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performCreate(f.mSavedFragmentState); 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = false; 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mFromLayout) { 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // For fragments that are part of the content view 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout, we need to instantiate the view immediately 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and the inflater will take care of adding it. 9000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mView = f.performCreateView(f.getLayoutInflater( 9010adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), null, f.mSavedFragmentState); 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 905715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 906e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.CREATED) { 913e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f); 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mFromLayout) { 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup container = null; 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mContainerId != 0) { 9170adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn container = (ViewGroup)mContainer.findViewById(f.mContainerId); 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container == null && !f.mRestored) { 91913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalArgumentException( 92013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No view found for id 0x" 92113fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + Integer.toHexString(f.mContainerId) + " (" 92213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + f.getResources().getResourceName(f.mContainerId) 92313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + ") for fragment " + f)); 924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = container; 9270adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mView = f.performCreateView(f.getLayoutInflater( 9280adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.mSavedFragmentState), container, f.mSavedFragmentState); 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = f.mView; 931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = NoSaveStateFrameLayout.wrap(f.mView); 932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (container != null) { 9339277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(f, transit, true, 934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView.startAnimation(anim); 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn container.addView(f.mView); 939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 940715a71e5f73cbc33f307cbd3625db8f889a05c1aDianne Hackborn if (f.mHidden) f.mView.setVisibility(View.GONE); 941e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn f.onViewCreated(f.mView, f.mSavedFragmentState); 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 9460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 9470adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performActivityCreated(f.mSavedFragmentState); 948e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (f.mView != null) { 9490adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.restoreViewState(f.mSavedFragmentState); 950e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedFragmentState = null; 952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 954e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 955e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (newState > Fragment.STOPPED) { 956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto STARTED: " + f); 9579c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performStart(); 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState > Fragment.STARTED) { 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f); 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = true; 9630adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performResume(); 9644e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedFragmentState = null; 9654e6647fe2551985f33407acd712a4942b090207aDianne Hackborn f.mSavedViewState = null; 966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else if (f.mState > newState) { 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (f.mState) { 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.RESUMED: 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.RESUMED) { 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f); 9730adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performPause(); 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mResumed = false; 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.STARTED: 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.STARTED) { 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f); 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.performStop(); 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 981e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn case Fragment.STOPPED: 982218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (newState < Fragment.STOPPED) { 983218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f); 984218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn f.performReallyStop(); 985218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn } 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.ACTIVITY_CREATED: 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.ACTIVITY_CREATED) { 988e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f); 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null) { 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Need to save the current view state if not 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // done already. 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mActivity.isFinishing() && f.mSavedViewState == null) { 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn saveFragmentViewState(f); 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 9969c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.performDestroyView(); 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mView != null && f.mContainer != null) { 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Animation anim = null; 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCurState > Fragment.INITIALIZING && !mDestroyed) { 10009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn anim = loadAnimation(f, transit, false, 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Fragment fragment = f; 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = f.mView; 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn anim.setAnimationListener(new AnimationListener() { 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationEnd(Animation animation) { 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mAnimatingAway != null) { 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mAnimatingAway = null; 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(fragment, fragment.mStateAfterAnimating, 10135506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn 0, 0, false); 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationRepeat(Animation animation) { 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 1020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAnimationStart(Animation animation) { 1021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }); 10239277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn f.mView.startAnimation(anim); 1024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1025cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer.removeView(f.mView); 1026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mContainer = null; 1028cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mView = null; 1029cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView = null; 1030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case Fragment.CREATED: 1032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newState < Fragment.CREATED) { 1033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mDestroyed) { 1034cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment's containing activity is 1036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // being destroyed, but this fragment is 1037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // currently animating away. Stop the 1038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation right now -- it is not needed, 1039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // and we can't wait any more on destroying 1040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment. 1041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View v = f.mAnimatingAway; 1042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAnimatingAway = null; 1043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn v.clearAnimation(); 1044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mAnimatingAway != null) { 1047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // We are waiting for the fragment's view to finish 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animating away. Just make a note of the state 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the fragment now should move to once the animation 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is done. 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mStateAfterAnimating = newState; 10522c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn newState = Fragment.CREATED; 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f); 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mRetaining) { 10560adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performDestroy(); 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mCalled = false; 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDetach(); 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!f.mCalled) { 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new SuperNotCalledException("Fragment " + f 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " did not call through to super.onDetach()"); 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10655506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!keepActive) { 10665506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn if (!f.mRetaining) { 10675506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn makeInactive(f); 10685506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } else { 10695506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mActivity = null; 10705506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn f.mFragmentManager = null; 10715506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn } 10722c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn } 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mState = newState; 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(Fragment f) { 10825506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, mCurState, 0, 0, false); 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, boolean always) { 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(newState, 0, 0, always); 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void moveToState(int newState, int transit, int transitStyle, boolean always) { 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null && newState != Fragment.INITIALIZING) { 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("No activity"); 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10930adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!always && mCurState == newState) { 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 10970adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCurState = newState; 1099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1100abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell boolean loadersRunning = false; 1101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 11045506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(f, newState, transit, transitStyle, false); 1105abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f.mLoaderManager != null) { 1106abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 1107abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1111abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (!loadersRunning) { 1112abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell startPendingDeferredFragments(); 1113abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1114abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 11152a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (mNeedMenuInvalidate && mActivity != null && mCurState == Fragment.RESUMED) { 1116681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = false; 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1121abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell 1122abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell void startPendingDeferredFragments() { 11231199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell if (mActive == null) return; 11241199ae7067cdf8cf3eb30c057a61ae71a0aea1e5Adam Powell 1125abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell for (int i=0; i<mActive.size(); i++) { 1126abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell Fragment f = mActive.get(i); 1127abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell if (f != null) { 1128abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell performPendingDeferredStart(f); 1129abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1130abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1131abc968f1eba800c34a4008deb43b015da5d23a5fAdam Powell } 1132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeActive(Fragment f) { 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex >= 0) { 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null || mAvailIndices.size() <= 0) { 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null) { 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(); 1141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 11420adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.setIndex(mActive.size(), mParent); 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 11460adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1), mParent); 1147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, f); 1148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1149be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Allocated fragment index " + f); 1150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void makeInactive(Fragment f) { 1153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mIndex < 0) { 1154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1157be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing fragment index " + f); 1158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.set(f.mIndex, null); 1159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(f.mIndex); 11630adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mActivity.invalidateSupportFragment(f.mWho); 11649c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn f.initState(); 1165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void addFragment(Fragment fragment, boolean moveToStateNow) { 1168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded == null) { 1169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "add: " + fragment); 1172e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn makeActive(fragment); 1173e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 11743a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 11753a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 11763a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1177e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1178e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 1179e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = false; 11802a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1181e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1182e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1183e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (moveToStateNow) { 1184e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment); 1185e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void removeFragment(Fragment fragment, int transition, int transitionStyle) { 1190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting); 1191e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean inactive = !fragment.isInBackStack(); 1192e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached || inactive) { 1193464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1194464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1195464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 11962a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1197e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1198e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1199e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 1200e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mRemoving = true; 1201e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED, 12025506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn transition, transitionStyle, false); 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void hideFragment(Fragment fragment, int transition, int transitionStyle) { 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "hide: " + fragment); 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!fragment.mHidden) { 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = true; 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 1211495efcad8c8865e3e6f14e4ea3d79cfb1d2410f9Alexander Mironov Animation anim = loadAnimation(fragment, transition, false, 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.GONE); 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12182a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(true); 1222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void showFragment(Fragment fragment, int transition, int transitionStyle) { 1226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "show: " + fragment); 1227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mHidden) { 1228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mHidden = false; 1229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragment.mView != null) { 12309277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn Animation anim = loadAnimation(fragment, transition, true, 1231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn transitionStyle); 1232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (anim != null) { 1233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.startAnimation(anim); 1234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.mView.setVisibility(View.VISIBLE); 1236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 12372a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) { 1238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mNeedMenuInvalidate = true; 1239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragment.onHiddenChanged(false); 1241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1244e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void detachFragment(Fragment fragment, int transition, int transitionStyle) { 1245e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "detach: " + fragment); 1246e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mDetached) { 1247e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = true; 1248e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mAdded) { 1249e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // We are not already in back stack, so need to remove the fragment. 1250464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 12513a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "remove from detach: " + fragment); 1252464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded.remove(fragment); 1253464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 12542a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1255e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1256e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1257e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = false; 12585506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, Fragment.CREATED, transition, transitionStyle, false); 1259e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1260e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1261e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1262e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1263e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void attachFragment(Fragment fragment, int transition, int transitionStyle) { 1264e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (DEBUG) Log.v(TAG, "attach: " + fragment); 1265e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (fragment.mDetached) { 1266e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mDetached = false; 1267e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn if (!fragment.mAdded) { 1268464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded == null) { 1269464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn mAdded = new ArrayList<Fragment>(); 1270464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 12713a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(fragment)) { 12723a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Fragment already added: " + fragment); 12733a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 12743a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "add from attach: " + fragment); 1275e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mAdded.add(fragment); 1276e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn fragment.mAdded = true; 12772a4d8518f36346ea25a22a736453ff28f2954165Dianne Hackborn if (fragment.mHasMenu && fragment.mMenuVisible) { 1278e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mNeedMenuInvalidate = true; 1279e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 12805506618c80a292ac275d8b0c1046b446c7f58836Dianne Hackborn moveToState(fragment, mCurState, transition, transitionStyle, false); 1281e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1282e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1283e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 1284e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentById(int id) { 1286464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1287cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1288cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1294464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1295464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null) { 1296cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mFragmentId == id) { 1300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1304cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1305cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1306cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1307cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByTag(String tag) { 1308464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null && tag != null) { 1309cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First look through added fragments. 1310cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mAdded.size()-1; i>=0; i--) { 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1312cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1313cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1314cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1315cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1316464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn } 1317464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mActive != null && tag != null) { 1318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now for any known fragment. 1319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && tag.equals(f.mTag)) { 1322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment findFragmentByWho(String who) { 1330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null && who != null) { 1331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mActive.size()-1; i>=0; i--) { 1332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 13330adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null && (f=f.findFragmentByWho(who)) != null) { 1334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 1335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private void checkStateLoss() { 1342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateSaved) { 1343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action after onSaveInstanceState"); 1345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNoTransactionsBecause != null) { 1347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException( 1348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn "Can not perform this action inside of " + mNoTransactionsBecause); 1349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1352ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette /** 1353ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * Adds an action to the queue of pending actions. 1354ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * 1355ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param action the action to add 1356ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @param allowStateLoss whether to allow loss of state information 1357ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette * @throws IllegalStateException if the activity has been destroyed 1358ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette */ 1359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void enqueueAction(Runnable action, boolean allowStateLoss) { 1360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!allowStateLoss) { 1361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn checkStateLoss(); 1362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1364ab6e5dbcc6e05994ebb4257478c54f54085b9aa6Alan Viverette if (mDestroyed || mActivity == null) { 1365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Activity has been destroyed"); 1366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null) { 1368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions = new ArrayList<Runnable>(); 1369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.add(action); 1371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions.size() == 1) { 1372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.post(mExecCommit); 1374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int allocBackStackIndex(BackStackRecord bse) { 1379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) { 1381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mBackStackIndices.size(); 1385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1); 1391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return index; 1394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1396cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setBackStackIndex(int index, BackStackRecord bse) { 1399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackIndices == null) { 1401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices = new ArrayList<BackStackRecord>(); 1402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1403cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mBackStackIndices.size(); 1404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < N) { 1405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse); 1406cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, bse); 1407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1408cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (N < index) { 1409cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(null); 1410cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1411cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding available back stack index " + N); 1414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(N); 1415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N++; 1416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse); 1418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.add(bse); 1419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void freeBackStackIndex(int index) { 1424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackIndices.set(index, null); 1426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailBackStackIndices == null) { 1427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices = new ArrayList<Integer>(); 1428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Freeing back stack index " + index); 1430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailBackStackIndices.add(index); 1431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Only call from main thread! 1436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean execPendingActions() { 1438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mExecutingActions) { 1439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Recursive entry to executePendingTransactions"); 1440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (Looper.myLooper() != mActivity.mHandler.getLooper()) { 1443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Must be called from main thread of process"); 1444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean didSomething = false; 1447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (true) { 1449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int numActions; 1450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn synchronized (this) { 1452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mPendingActions == null || mPendingActions.size() == 0) { 145379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell break; 1454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn numActions = mPendingActions.size(); 1457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTmpActions == null || mTmpActions.length < numActions) { 1458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions = new Runnable[numActions]; 1459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.toArray(mTmpActions); 1461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mPendingActions.clear(); 1462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.mHandler.removeCallbacks(mExecCommit); 1463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = true; 1466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<numActions; i++) { 1467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTmpActions[i].run(); 14689f491519261135d9de50b60c2182755ccb665bf5Jeff Sharkey mTmpActions[i] = null; 1469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mExecutingActions = false; 1471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn didSomething = true; 1472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 147379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 147479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (mHavePendingDeferredStart) { 147579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell boolean loadersRunning = false; 147679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell for (int i=0; i<mActive.size(); i++) { 147779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell Fragment f = mActive.get(i); 147879398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (f != null && f.mLoaderManager != null) { 147979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell loadersRunning |= f.mLoaderManager.hasRunningLoaders(); 148079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 148179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 148279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!loadersRunning) { 148379398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell mHavePendingDeferredStart = false; 148479398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell startPendingDeferredFragments(); 148579398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 148679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 148779398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell return didSomething; 1488cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 148979398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell 1490cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void reportBackStackChanged() { 1491cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStackChangeListeners != null) { 1492cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mBackStackChangeListeners.size(); i++) { 1493cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStackChangeListeners.get(i).onBackStackChanged(); 1494cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1495cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1496cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1497cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1498cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void addBackStackState(BackStackRecord state) { 1499cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1500cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(); 1501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(state); 1503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean popBackStackState(Handler handler, String name, int id, int flags) { 1507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack == null) { 1508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) { 1511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int last = mBackStack.size()-1; 1512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (last < 0) { 1513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final BackStackRecord bss = mBackStack.remove(last); 1516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn bss.popFromBackStack(true); 1517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int index = -1; 1520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null || id >= 0) { 1521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If a name or ID is specified, look for that place in 1522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // the stack. 1523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index = mBackStack.size()-1; 1524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (name != null && name.equals(bss.getName())) { 1527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (id >= 0 && id == bss.mIndex) { 1530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index < 0) { 1535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) { 1538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Consume all following entries that match. 1540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn while (index >= 0) { 1541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bss = mBackStack.get(index); 1542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if ((name != null && name.equals(bss.getName())) 1543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn || (id >= 0 && id == bss.mIndex)) { 1544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn index--; 1545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn continue; 1546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 1548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (index == mBackStack.size()-1) { 1552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final ArrayList<BackStackRecord> states 1555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new ArrayList<BackStackRecord>(); 1556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=mBackStack.size()-1; i>index; i--) { 1557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.add(mBackStack.remove(i)); 1558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int LAST = states.size()-1; 1560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<=LAST; i++) { 1561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i)); 1562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn states.get(i).popFromBackStack(i == LAST); 1563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn reportBackStackChanged(); 1565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 1567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> retainNonConfig() { 1570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> fragments = null; 1571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive != null) { 1572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mActive.size(); i++) { 1573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null && f.mRetainInstance) { 1575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fragments == null) { 1576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments = new ArrayList<Fragment>(); 1577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fragments.add(f); 1579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mRetaining = true; 15802c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1; 1581be2c79d9a5439922030d2a3846c81c61f0e16912Dianne Hackborn if (DEBUG) Log.v(TAG, "retainNonConfig: keeping retained " + f); 1582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fragments; 1586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void saveFragmentViewState(Fragment f) { 1589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mInnerView == null) { 1590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return; 1591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray == null) { 1593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = new SparseArray<Parcelable>(); 1594ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn } else { 1595ea2c91b0198855073983b4a8437aa71cbd83872fDianne Hackborn mStateArray.clear(); 1596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInnerView.saveHierarchyState(mStateArray); 1598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mStateArray.size() > 0) { 1599cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = mStateArray; 1600cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateArray = null; 1601cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1602cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1603cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 16045c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle saveFragmentBasicState(Fragment f) { 16055c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn Bundle result = null; 16065c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16075c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mStateBundle == null) { 16085c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = new Bundle(); 16095c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16100adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performSaveInstanceState(mStateBundle); 16115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (!mStateBundle.isEmpty()) { 16125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = mStateBundle; 16135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mStateBundle = null; 16145c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16155c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16165c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mView != null) { 16175c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn saveFragmentViewState(f); 16185c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16195c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (f.mSavedViewState != null) { 16205c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (result == null) { 16215c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result = new Bundle(); 16225c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16235c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn result.putSparseParcelableArray( 16245c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState); 16255c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 162679398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell if (!f.mUserVisibleHint) { 1627f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton if (result == null) { 1628f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton result = new Bundle(); 1629f4c0cf637ba73374a206cec26c09d4dfa4c1a364Jake Wharton } 163079398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell // Only add this if it's not the default value 163179398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint); 163279398eaefea45e61d839cf4e0534f0eafee70a09Adam Powell } 16335c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 16345c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return result; 16355c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 16365c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 1637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Parcelable saveAllState() { 1638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Make sure all pending operations have now been executed to get 1639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // our state update-to-date. 1640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn execPendingActions(); 1641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1642681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (HONEYCOMB) { 1643681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // As of Honeycomb, we save state after pausing. Prior to that 1644681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // it is before pausing. With fragments this is an issue, since 1645681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // there are many things you may do after pausing but before 1646681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // stopping that change the fragment state. For those older 1647681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // devices, we will not at this point say that we have saved 1648681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // the state, so we will allow them to continue doing fragment 1649681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // transactions. This retains the same semantics as Honeycomb, 1650681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // though you do have the risk of losing the very most recent state 1651681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // if the process is killed... we'll live with that. 1652681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1653681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActive == null || mActive.size() <= 0) { 1656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First collect all active fragments. 1660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int N = mActive.size(); 1661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState[] active = new FragmentState[N]; 1662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean haveFragments = false; 1663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(i); 1665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 16661b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (f.mIndex < 0) { 166713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 166813fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + f 166913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + f.mIndex)); 16701b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 16711b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn 1672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn haveFragments = true; 1673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = new FragmentState(f); 1675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn active[i] = fs; 1676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) { 16785c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn fs.mSavedFragmentState = saveFragmentBasicState(f); 1679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget != null) { 1681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTarget.mIndex < 0) { 168213fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 168313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: " + f 168413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has target not in fragment manager: " + f.mTarget)); 1685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState == null) { 1687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = new Bundle(); 1688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn putFragment(fs.mSavedFragmentState, 1690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget); 1691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f.mTargetRequestCode != 0) { 1692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.putInt( 1693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 1694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTargetRequestCode); 1695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1699cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState = f.mSavedFragmentState; 1700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "Saved state of " + f + ": " 1703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + fs.mSavedFragmentState); 1704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!haveFragments) { 1708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: no fragments!"); 1709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 1710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int[] added = null; 1713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackState[] backStack = null; 1714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build list of currently added fragments. 1716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAdded != null) { 1717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mAdded.size(); 1718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added = new int[N]; 1720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn added[i] = mAdded.get(i).mIndex; 17221b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn if (added[i] < 0) { 172313fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 172413fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "Failure saving state: active " + mAdded.get(i) 172513fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn + " has cleared index: " + added[i])); 17261b913519b1c03b084779851e81db2e1a11eb0b0dDianne Hackborn } 1727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i 1728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mAdded.get(i)); 1729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now save back stack. 1734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mBackStack != null) { 1735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn N = mBackStack.size(); 1736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (N > 0) { 1737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack = new BackStackState[N]; 1738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<N; i++) { 1739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn backStack[i] = new BackStackState(this, mBackStack.get(i)); 1740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i 1741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": " + mBackStack.get(i)); 1742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = new FragmentManagerState(); 1747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mActive = active; 1748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mAdded = added; 1749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fms.mBackStack = backStack; 1750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return fms; 1751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) { 1754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If there is no saved state at all, then there can not be 1755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // any nonConfig fragments either, so that is that. 1756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (state == null) return; 1757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerState fms = (FragmentManagerState)state; 1758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mActive == null) return; 1759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // First re-attach any non-config instances we are retaining back 1761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to their saved state, so we don't try to instantiate them again. 1762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 1765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f); 1766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[f.mIndex]; 1767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = f; 1768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = null; 1769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mBackStackNesting = 0; 1770cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mInLayout = false; 1771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = false; 17722c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = null; 1773cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs.mSavedFragmentState != null) { 1774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader()); 1775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray( 1776cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManagerImpl.VIEW_STATE_TAG); 1777cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1778cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1779cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1780cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1781cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the full list of active fragments, instantiating them from 1782cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // their saved state. 1783cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive = new ArrayList<Fragment>(fms.mActive.length); 1784cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices != null) { 1785cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.clear(); 1786cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1787cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mActive.length; i++) { 1788cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentState fs = fms.mActive[i]; 1789cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fs != null) { 17900adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn Fragment f = fs.instantiate(mActivity, mParent); 17913a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: active #" + i + ": " + f); 1792cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(f); 1793cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Now that the fragment is instantiated (or came from being 1794cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // retained above), clear mInstance in case we end up re-restoring 1795cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from this FragmentState again. 1796cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn fs.mInstance = null; 1797cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1798cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActive.add(null); 1799cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAvailIndices == null) { 1800cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices = new ArrayList<Integer>(); 1801cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 18023a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: avail #" + i); 1803cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAvailIndices.add(i); 1804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Update the target of all retained fragments. 1808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (nonConfig != null) { 1809cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<nonConfig.size(); i++) { 1810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = nonConfig.get(i); 18112c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex >= 0) { 18122c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn if (f.mTargetIndex < mActive.size()) { 18132c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn f.mTarget = mActive.get(f.mTargetIndex); 1814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Log.w(TAG, "Re-attaching retained fragment " + f 18162c4b5dbfee5232bcbbcb74b84ce9147b62a9d789Dianne Hackborn + " target no longer exists: " + f.mTargetIndex); 1817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mTarget = null; 1818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the list of currently added fragments. 1824cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mAdded != null) { 1825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = new ArrayList<Fragment>(fms.mAdded.length); 1826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mAdded.length; i++) { 1827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mActive.get(fms.mAdded[i]); 1828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f == null) { 182913fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn throwException(new IllegalStateException( 183013fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn "No instantiated fragment for index #" + fms.mAdded[i])); 1831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mAdded = true; 18333a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) Log.v(TAG, "restoreAllState: added #" + i + ": " + f); 18343a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (mAdded.contains(f)) { 18353a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn throw new IllegalStateException("Already added!"); 18363a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded.add(f); 1838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mAdded = null; 1841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Build the back stack. 1844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (fms.mBackStack != null) { 1845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length); 1846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<fms.mBackStack.length; i++) { 1847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn BackStackRecord bse = fms.mBackStack[i].instantiate(this); 18483a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn if (DEBUG) { 18493a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn Log.v(TAG, "restoreAllState: back stack #" + i 1850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " (index " + bse.mIndex + "): " + bse); 18513a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn LogWriter logw = new LogWriter(TAG); 18523a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn PrintWriter pw = new PrintWriter(logw); 18533a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn bse.dump(" ", pw, false); 18543a7571011a8f2c2e2685c4e3e7a6fa46673ee7eaDianne Hackborn } 1855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack.add(bse); 1856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (bse.mIndex >= 0) { 1857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn setBackStackIndex(bse.mIndex, bse); 1858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mBackStack = null; 1862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 18650adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void attachActivity(FragmentActivity activity, 18660adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn FragmentContainer container, Fragment parent) { 186713fb2b96fa8464e7b8514c57e1ad5ea782b3a52cDianne Hackborn if (mActivity != null) throw new IllegalStateException("Already attached"); 1868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = activity; 18690adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = container; 18700adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = parent; 1871cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1872cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1873cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void noteStateNotSaved() { 1874cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1875cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1876cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1877cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchCreate() { 1878cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1879cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.CREATED, false); 1880cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1881cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1882cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchActivityCreated() { 1883cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStart() { 1888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchResume() { 1893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mStateSaved = false; 1894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.RESUMED, false); 1895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchPause() { 1898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.STARTED, false); 1899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchStop() { 1902681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // See saveAllState() for the explanation of this. We do this for 1903681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // all platform versions, to keep our behavior more consistent between 1904681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn // them. 1905681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mStateSaved = true; 1906681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1907e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn moveToState(Fragment.STOPPED, false); 1908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1910218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn public void dispatchReallyStop() { 1911218c1e661578e2a17928f7dbb590b43d1c79aeb7Dianne Hackborn moveToState(Fragment.ACTIVITY_CREATED, false); 1912681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1913681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 19140adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn public void dispatchDestroyView() { 19150adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn moveToState(Fragment.CREATED, false); 19160adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 19170adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn 1918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchDestroy() { 1919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mDestroyed = true; 1920e8b402b00c0cbdac050c349a5fc89c34580f3185Dianne Hackborn execPendingActions(); 1921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn moveToState(Fragment.INITIALIZING, false); 1922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity = null; 19230adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mContainer = null; 19240adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn mParent = null; 1925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchConfigurationChanged(Configuration newConfig) { 1928464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 19320adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performConfigurationChanged(newConfig); 1933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchLowMemory() { 1939464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 1942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (f != null) { 19430adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performLowMemory(); 1944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ArrayList<Fragment> newMenus = null; 1952464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19550adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19560adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performCreateOptionsMenu(menu, inflater)) { 19570adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 19580adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (newMenus == null) { 19590adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus = new ArrayList<Fragment>(); 19600adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 19610adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn newMenus.add(f); 1962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1966c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 1967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mCreatedMenus != null) { 1968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mCreatedMenus.size(); i++) { 1969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mCreatedMenus.get(i); 1970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (newMenus == null || !newMenus.contains(f)) { 1971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.onDestroyOptionsMenu(); 1972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1975c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 1976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCreatedMenus = newMenus; 1977c1e87ac17c772ee3c5fd3b3f08321226e2c7ffa4Chris Banes 1978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchPrepareOptionsMenu(Menu menu) { 1982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean show = false; 1983464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 19860adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 19870adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performPrepareOptionsMenu(menu)) { 19880adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn show = true; 19890adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn } 1990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return show; 1994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchOptionsItemSelected(MenuItem item) { 1997464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 1998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 1999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20000adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 20010adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performOptionsItemSelected(item)) { 2002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean dispatchContextItemSelected(MenuItem item) { 2011464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20140adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 20150adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f.performContextItemSelected(item)) { 2016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return true; 2017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2019cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2020cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2021cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 2022cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2023cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2024cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dispatchOptionsMenuClosed(Menu menu) { 2025464b6f3c93dda03359ec2d37c8205065922f2994Dianne Hackborn if (mAdded != null) { 2026cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn for (int i=0; i<mAdded.size(); i++) { 2027cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = mAdded.get(i); 20280adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn if (f != null) { 20290adacc1aa313d757ae1c517152cef838e0f35c13Dianne Hackborn f.performOptionsMenuClosed(menu); 2030cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2031cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2032cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2033cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2034461b48b4588ac21b97aa40553f04222c2c0344e7Chris Banes 2035cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int reverseTransit(int transit) { 2036cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int rev = 0; 2037cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2038cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 2039cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE; 2040cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2041cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 2042cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN; 2043cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2044cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 2045cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE; 2046cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2047cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return rev; 2049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 2050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 20529277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_ENTER = 1; 20539277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_OPEN_EXIT = 2; 20549277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_ENTER = 3; 20559277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_CLOSE_EXIT = 4; 20569277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_ENTER = 5; 20579277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public static final int ANIM_STYLE_FADE_EXIT = 6; 20589277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn 2059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static int transitToStyleIndex(int transit, boolean enter) { 2060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int animAttr = -1; 2061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn switch (transit) { 2062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_OPEN: 20639277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT; 2064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE: 20669277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT; 2067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn case FragmentTransaction.TRANSIT_FRAGMENT_FADE: 20699277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT; 2070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn break; 2071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return animAttr; 2073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 2074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 2075