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1993 lines
76 KiB
Java
1993 lines
76 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.support.v4.app;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.support.v4.util.DebugUtils;
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import android.support.v4.util.LogWriter;
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import android.support.v4.view.Menu;
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import android.support.v4.view.MenuItem;
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import android.util.Log;
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import android.util.SparseArray;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.AlphaAnimation;
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import android.view.animation.Animation;
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import android.view.animation.AnimationSet;
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import android.view.animation.AnimationUtils;
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import android.view.animation.DecelerateInterpolator;
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import android.view.animation.Interpolator;
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import android.view.animation.ScaleAnimation;
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import android.view.animation.Animation.AnimationListener;
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import android.view.MenuInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Arrays;
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/**
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* Static library support version of the framework's {@link android.app.FragmentManager}.
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* Used to write apps that run on platforms prior to Android 3.0. When running
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* on Android 3.0 or above, this implementation is still used; it does not try
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* to switch to the framework's implementation. See the framework SDK
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* documentation for a class overview.
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*
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* <p>Your activity must derive from {@link FragmentActivity} to use this.
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*/
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public abstract class FragmentManager {
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/**
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* Representation of an entry on the fragment back stack, as created
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* with {@link FragmentTransaction#addToBackStack(String)
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* FragmentTransaction.addToBackStack()}. Entries can later be
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* retrieved with {@link FragmentManager#getBackStackEntryAt(int)
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* FragmentManager.getBackStackEntry()}.
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*
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* <p>Note that you should never hold on to a BackStackEntry object;
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* the identifier as returned by {@link #getId} is the only thing that
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* will be persisted across activity instances.
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*/
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public interface BackStackEntry {
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/**
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* Return the unique identifier for the entry. This is the only
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* representation of the entry that will persist across activity
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* instances.
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*/
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public int getId();
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/**
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* Get the name that was supplied to
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* {@link FragmentTransaction#addToBackStack(String)
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* FragmentTransaction.addToBackStack(String)} when creating this entry.
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*/
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public String getName();
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/**
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* Return the full bread crumb title resource identifier for the entry,
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* or 0 if it does not have one.
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*/
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public int getBreadCrumbTitleRes();
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/**
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* Return the short bread crumb title resource identifier for the entry,
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* or 0 if it does not have one.
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*/
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public int getBreadCrumbShortTitleRes();
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/**
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* Return the full bread crumb title for the entry, or null if it
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* does not have one.
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*/
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public CharSequence getBreadCrumbTitle();
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/**
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* Return the short bread crumb title for the entry, or null if it
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* does not have one.
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*/
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public CharSequence getBreadCrumbShortTitle();
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}
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/**
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* Interface to watch for changes to the back stack.
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*/
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public interface OnBackStackChangedListener {
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/**
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* Called whenever the contents of the back stack change.
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*/
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public void onBackStackChanged();
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}
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/**
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* Start a series of edit operations on the Fragments associated with
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* this FragmentManager.
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*
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* <p>Note: A fragment transaction can only be created/committed prior
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* to an activity saving its state. If you try to commit a transaction
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* after {@link FragmentActivity#onSaveInstanceState FragmentActivity.onSaveInstanceState()}
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* (and prior to a following {@link FragmentActivity#onStart FragmentActivity.onStart}
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* or {@link FragmentActivity#onResume FragmentActivity.onResume()}, you will get an error.
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* This is because the framework takes care of saving your current fragments
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* in the state, and if changes are made after the state is saved then they
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* will be lost.</p>
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*/
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public abstract FragmentTransaction beginTransaction();
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/** @hide -- remove once prebuilts are in. */
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@Deprecated
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public FragmentTransaction openTransaction() {
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return beginTransaction();
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}
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/**
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* After a {@link FragmentTransaction} is committed with
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* {@link FragmentTransaction#commit FragmentTransaction.commit()}, it
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* is scheduled to be executed asynchronously on the process's main thread.
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* If you want to immediately executing any such pending operations, you
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* can call this function (only from the main thread) to do so. Note that
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* all callbacks and other related behavior will be done from within this
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* call, so be careful about where this is called from.
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*
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* @return Returns true if there were any pending transactions to be
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* executed.
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*/
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public abstract boolean executePendingTransactions();
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/**
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* Finds a fragment that was identified by the given id either when inflated
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* from XML or as the container ID when added in a transaction. This first
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* searches through fragments that are currently added to the manager's
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* activity; if no such fragment is found, then all fragments currently
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* on the back stack associated with this ID are searched.
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* @return The fragment if found or null otherwise.
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*/
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public abstract Fragment findFragmentById(int id);
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/**
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* Finds a fragment that was identified by the given tag either when inflated
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* from XML or as supplied when added in a transaction. This first
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* searches through fragments that are currently added to the manager's
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* activity; if no such fragment is found, then all fragments currently
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* on the back stack are searched.
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* @return The fragment if found or null otherwise.
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*/
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public abstract Fragment findFragmentByTag(String tag);
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/**
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* Flag for {@link #popBackStack(String, int)}
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* and {@link #popBackStack(int, int)}: If set, and the name or ID of
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* a back stack entry has been supplied, then all matching entries will
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* be consumed until one that doesn't match is found or the bottom of
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* the stack is reached. Otherwise, all entries up to but not including that entry
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* will be removed.
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*/
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public static final int POP_BACK_STACK_INCLUSIVE = 1<<0;
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/**
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* Pop the top state off the back stack. Returns true if there was one
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* to pop, else false. This function is asynchronous -- it enqueues the
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* request to pop, but the action will not be performed until the application
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* returns to its event loop.
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*/
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public abstract void popBackStack();
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/**
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* Like {@link #popBackStack()}, but performs the operation immediately
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* inside of the call. This is like calling {@link #executePendingTransactions()}
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* afterwards.
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* @return Returns true if there was something popped, else false.
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*/
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public abstract boolean popBackStackImmediate();
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/**
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* Pop the last fragment transition from the manager's fragment
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* back stack. If there is nothing to pop, false is returned.
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* This function is asynchronous -- it enqueues the
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* request to pop, but the action will not be performed until the application
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* returns to its event loop.
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*
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* @param name If non-null, this is the name of a previous back state
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* to look for; if found, all states up to that state will be popped. The
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* {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether
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* the named state itself is popped. If null, only the top state is popped.
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* @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}.
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*/
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public abstract void popBackStack(String name, int flags);
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/**
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* Like {@link #popBackStack(String, int)}, but performs the operation immediately
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* inside of the call. This is like calling {@link #executePendingTransactions()}
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* afterwards.
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* @return Returns true if there was something popped, else false.
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*/
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public abstract boolean popBackStackImmediate(String name, int flags);
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/**
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* Pop all back stack states up to the one with the given identifier.
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* This function is asynchronous -- it enqueues the
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* request to pop, but the action will not be performed until the application
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* returns to its event loop.
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*
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* @param id Identifier of the stated to be popped. If no identifier exists,
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* false is returned.
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* The identifier is the number returned by
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* {@link FragmentTransaction#commit() FragmentTransaction.commit()}. The
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* {@link #POP_BACK_STACK_INCLUSIVE} flag can be used to control whether
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* the named state itself is popped.
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* @param flags Either 0 or {@link #POP_BACK_STACK_INCLUSIVE}.
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*/
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public abstract void popBackStack(int id, int flags);
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/**
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* Like {@link #popBackStack(int, int)}, but performs the operation immediately
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* inside of the call. This is like calling {@link #executePendingTransactions()}
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* afterwards.
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* @return Returns true if there was something popped, else false.
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*/
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public abstract boolean popBackStackImmediate(int id, int flags);
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/**
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* Return the number of entries currently in the back stack.
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*/
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public abstract int getBackStackEntryCount();
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/**
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* Return the BackStackEntry at index <var>index</var> in the back stack;
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* entries start index 0 being the bottom of the stack.
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*/
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public abstract BackStackEntry getBackStackEntryAt(int index);
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/**
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* Add a new listener for changes to the fragment back stack.
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*/
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public abstract void addOnBackStackChangedListener(OnBackStackChangedListener listener);
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/**
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* Remove a listener that was previously added with
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* {@link #addOnBackStackChangedListener(OnBackStackChangedListener)}.
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*/
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public abstract void removeOnBackStackChangedListener(OnBackStackChangedListener listener);
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/**
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* Put a reference to a fragment in a Bundle. This Bundle can be
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* persisted as saved state, and when later restoring
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* {@link #getFragment(Bundle, String)} will return the current
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* instance of the same fragment.
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*
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* @param bundle The bundle in which to put the fragment reference.
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* @param key The name of the entry in the bundle.
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* @param fragment The Fragment whose reference is to be stored.
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*/
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public abstract void putFragment(Bundle bundle, String key, Fragment fragment);
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/**
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* Retrieve the current Fragment instance for a reference previously
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* placed with {@link #putFragment(Bundle, String, Fragment)}.
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*
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* @param bundle The bundle from which to retrieve the fragment reference.
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* @param key The name of the entry in the bundle.
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* @return Returns the current Fragment instance that is associated with
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* the given reference.
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*/
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public abstract Fragment getFragment(Bundle bundle, String key);
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/**
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* Save the current instance state of the given Fragment. This can be
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* used later when creating a new instance of the Fragment and adding
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* it to the fragment manager, to have it create itself to match the
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* current state returned here. Note that there are limits on how
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* this can be used:
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*
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* <ul>
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* <li>The Fragment must currently be attached to the FragmentManager.
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* <li>A new Fragment created using this saved state must be the same class
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* type as the Fragment it was created from.
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* <li>The saved state can not contain dependencies on other fragments --
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* that is it can't use {@link #putFragment(Bundle, String, Fragment)} to
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* store a fragment reference because that reference may not be valid when
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* this saved state is later used. Likewise the Fragment's target and
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* result code are not included in this state.
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* </ul>
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*
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* @param f The Fragment whose state is to be saved.
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* @return The generated state. This will be null if there was no
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* interesting state created by the fragment.
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*/
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public abstract Fragment.SavedState saveFragmentInstanceState(Fragment f);
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/**
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* Print the FragmentManager's state into the given stream.
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*
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* @param prefix Text to print at the front of each line.
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* @param fd The raw file descriptor that the dump is being sent to.
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* @param writer A PrintWriter to which the dump is to be set.
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* @param args Additional arguments to the dump request.
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*/
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public abstract void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args);
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/**
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* Control whether the framework's internal fragment manager debugging
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* logs are turned on. If enabled, you will see output in logcat as
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* the framework performs fragment operations.
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*/
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public static void enableDebugLogging(boolean enabled) {
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FragmentManagerImpl.DEBUG = enabled;
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}
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}
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final class FragmentManagerState implements Parcelable {
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FragmentState[] mActive;
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int[] mAdded;
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BackStackState[] mBackStack;
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public FragmentManagerState() {
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}
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public FragmentManagerState(Parcel in) {
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mActive = in.createTypedArray(FragmentState.CREATOR);
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mAdded = in.createIntArray();
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mBackStack = in.createTypedArray(BackStackState.CREATOR);
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}
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public int describeContents() {
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return 0;
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}
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeTypedArray(mActive, flags);
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dest.writeIntArray(mAdded);
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dest.writeTypedArray(mBackStack, flags);
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}
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public static final Parcelable.Creator<FragmentManagerState> CREATOR
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= new Parcelable.Creator<FragmentManagerState>() {
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public FragmentManagerState createFromParcel(Parcel in) {
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return new FragmentManagerState(in);
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}
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public FragmentManagerState[] newArray(int size) {
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return new FragmentManagerState[size];
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}
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};
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}
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/**
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* Container for fragments associated with an activity.
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*/
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final class FragmentManagerImpl extends FragmentManager {
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static boolean DEBUG = false;
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static final String TAG = "FragmentManager";
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static final boolean HONEYCOMB = android.os.Build.VERSION.SDK_INT >= 11;
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static final String TARGET_REQUEST_CODE_STATE_TAG = "android:target_req_state";
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static final String TARGET_STATE_TAG = "android:target_state";
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static final String VIEW_STATE_TAG = "android:view_state";
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static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint";
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ArrayList<Runnable> mPendingActions;
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Runnable[] mTmpActions;
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boolean mExecutingActions;
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ArrayList<Fragment> mActive;
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ArrayList<Fragment> mAdded;
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ArrayList<Integer> mAvailIndices;
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ArrayList<BackStackRecord> mBackStack;
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ArrayList<Fragment> mCreatedMenus;
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// Must be accessed while locked.
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ArrayList<BackStackRecord> mBackStackIndices;
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ArrayList<Integer> mAvailBackStackIndices;
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ArrayList<OnBackStackChangedListener> mBackStackChangeListeners;
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int mCurState = Fragment.INITIALIZING;
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SupportActivity mActivity;
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boolean mNeedMenuInvalidate;
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boolean mStateSaved;
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boolean mDestroyed;
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String mNoTransactionsBecause;
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boolean mHavePendingDeferredStart;
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// Temporary vars for state save and restore.
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Bundle mStateBundle = null;
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SparseArray<Parcelable> mStateArray = null;
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Runnable mExecCommit = new Runnable() {
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@Override
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public void run() {
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execPendingActions();
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}
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};
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@Override
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public FragmentTransaction beginTransaction() {
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return new BackStackRecord(this);
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}
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@Override
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public boolean executePendingTransactions() {
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return execPendingActions();
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}
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@Override
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public void popBackStack() {
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enqueueAction(new Runnable() {
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@Override public void run() {
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popBackStackState(mActivity.getInternalCallbacks().getHandler(), null, -1, 0);
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}
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}, false);
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}
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@Override
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public boolean popBackStackImmediate() {
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checkStateLoss();
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executePendingTransactions();
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return popBackStackState(mActivity.getInternalCallbacks().getHandler(), null, -1, 0);
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}
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@Override
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public void popBackStack(final String name, final int flags) {
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enqueueAction(new Runnable() {
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@Override public void run() {
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popBackStackState(mActivity.getInternalCallbacks().getHandler(), name, -1, flags);
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}
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}, false);
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}
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@Override
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public boolean popBackStackImmediate(String name, int flags) {
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checkStateLoss();
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executePendingTransactions();
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return popBackStackState(mActivity.getInternalCallbacks().getHandler(), name, -1, flags);
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}
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@Override
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public void popBackStack(final int id, final int flags) {
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if (id < 0) {
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throw new IllegalArgumentException("Bad id: " + id);
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}
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enqueueAction(new Runnable() {
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@Override public void run() {
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popBackStackState(mActivity.getInternalCallbacks().getHandler(), null, id, flags);
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}
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}, false);
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}
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@Override
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public boolean popBackStackImmediate(int id, int flags) {
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checkStateLoss();
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executePendingTransactions();
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if (id < 0) {
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throw new IllegalArgumentException("Bad id: " + id);
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}
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return popBackStackState(mActivity.getInternalCallbacks().getHandler(), null, id, flags);
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}
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@Override
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public int getBackStackEntryCount() {
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return mBackStack != null ? mBackStack.size() : 0;
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}
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@Override
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public BackStackEntry getBackStackEntryAt(int index) {
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return mBackStack.get(index);
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}
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@Override
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public void addOnBackStackChangedListener(OnBackStackChangedListener listener) {
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if (mBackStackChangeListeners == null) {
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mBackStackChangeListeners = new ArrayList<OnBackStackChangedListener>();
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}
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mBackStackChangeListeners.add(listener);
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}
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@Override
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public void removeOnBackStackChangedListener(OnBackStackChangedListener listener) {
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if (mBackStackChangeListeners != null) {
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mBackStackChangeListeners.remove(listener);
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}
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}
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@Override
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public void putFragment(Bundle bundle, String key, Fragment fragment) {
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if (fragment.mIndex < 0) {
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throw new IllegalStateException("Fragment " + fragment
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+ " is not currently in the FragmentManager");
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}
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bundle.putInt(key, fragment.mIndex);
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}
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@Override
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public Fragment getFragment(Bundle bundle, String key) {
|
|
int index = bundle.getInt(key, -1);
|
|
if (index == -1) {
|
|
return null;
|
|
}
|
|
if (index >= mActive.size()) {
|
|
throw new IllegalStateException("Fragement no longer exists for key "
|
|
+ key + ": index " + index);
|
|
}
|
|
Fragment f = mActive.get(index);
|
|
if (f == null) {
|
|
throw new IllegalStateException("Fragement no longer exists for key "
|
|
+ key + ": index " + index);
|
|
}
|
|
return f;
|
|
}
|
|
|
|
@Override
|
|
public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) {
|
|
if (fragment.mIndex < 0) {
|
|
throw new IllegalStateException("Fragment " + fragment
|
|
+ " is not currently in the FragmentManager");
|
|
}
|
|
if (fragment.mState > Fragment.INITIALIZING) {
|
|
Bundle result = saveFragmentBasicState(fragment);
|
|
return result != null ? new Fragment.SavedState(result) : null;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
StringBuilder sb = new StringBuilder(128);
|
|
sb.append("FragmentManager{");
|
|
sb.append(Integer.toHexString(System.identityHashCode(this)));
|
|
sb.append(" in ");
|
|
DebugUtils.buildShortClassTag(mActivity, sb);
|
|
sb.append("}}");
|
|
return sb.toString();
|
|
}
|
|
|
|
@Override
|
|
public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) {
|
|
String innerPrefix = prefix + " ";
|
|
|
|
int N;
|
|
if (mActive != null) {
|
|
N = mActive.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.print("Active Fragments in ");
|
|
writer.print(Integer.toHexString(System.identityHashCode(this)));
|
|
writer.println(":");
|
|
for (int i=0; i<N; i++) {
|
|
Fragment f = mActive.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(f);
|
|
if (f != null) {
|
|
f.dump(innerPrefix, fd, writer, args);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mAdded != null) {
|
|
N = mAdded.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.println("Added Fragments:");
|
|
for (int i=0; i<N; i++) {
|
|
Fragment f = mAdded.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(f.toString());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mCreatedMenus != null) {
|
|
N = mCreatedMenus.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.println("Fragments Created Menus:");
|
|
for (int i=0; i<N; i++) {
|
|
Fragment f = mCreatedMenus.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(f.toString());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mBackStack != null) {
|
|
N = mBackStack.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.println("Back Stack:");
|
|
for (int i=0; i<N; i++) {
|
|
BackStackRecord bs = mBackStack.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(bs.toString());
|
|
bs.dump(innerPrefix, fd, writer, args);
|
|
}
|
|
}
|
|
}
|
|
|
|
synchronized (this) {
|
|
if (mBackStackIndices != null) {
|
|
N = mBackStackIndices.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.println("Back Stack Indices:");
|
|
for (int i=0; i<N; i++) {
|
|
BackStackRecord bs = mBackStackIndices.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(bs);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mAvailBackStackIndices != null && mAvailBackStackIndices.size() > 0) {
|
|
writer.print(prefix); writer.print("mAvailBackStackIndices: ");
|
|
writer.println(Arrays.toString(mAvailBackStackIndices.toArray()));
|
|
}
|
|
}
|
|
|
|
if (mPendingActions != null) {
|
|
N = mPendingActions.size();
|
|
if (N > 0) {
|
|
writer.print(prefix); writer.println("Pending Actions:");
|
|
for (int i=0; i<N; i++) {
|
|
Runnable r = mPendingActions.get(i);
|
|
writer.print(prefix); writer.print(" #"); writer.print(i);
|
|
writer.print(": "); writer.println(r);
|
|
}
|
|
}
|
|
}
|
|
|
|
writer.print(prefix); writer.println("FragmentManager misc state:");
|
|
writer.print(prefix); writer.print(" mCurState="); writer.print(mCurState);
|
|
writer.print(" mStateSaved="); writer.print(mStateSaved);
|
|
writer.print(" mDestroyed="); writer.println(mDestroyed);
|
|
if (mNeedMenuInvalidate) {
|
|
writer.print(prefix); writer.print(" mNeedMenuInvalidate=");
|
|
writer.println(mNeedMenuInvalidate);
|
|
}
|
|
if (mNoTransactionsBecause != null) {
|
|
writer.print(prefix); writer.print(" mNoTransactionsBecause=");
|
|
writer.println(mNoTransactionsBecause);
|
|
}
|
|
if (mAvailIndices != null && mAvailIndices.size() > 0) {
|
|
writer.print(prefix); writer.print(" mAvailIndices: ");
|
|
writer.println(Arrays.toString(mAvailIndices.toArray()));
|
|
}
|
|
}
|
|
|
|
static final Interpolator DECELERATE_QUINT = new DecelerateInterpolator(2.5f);
|
|
static final Interpolator DECELERATE_CUBIC = new DecelerateInterpolator(1.5f);
|
|
static final Interpolator ACCELERATE_QUINT = new AccelerateInterpolator(2.5f);
|
|
static final Interpolator ACCELERATE_CUBIC = new AccelerateInterpolator(1.5f);
|
|
|
|
static final int ANIM_DUR = 220;
|
|
|
|
static Animation makeOpenCloseAnimation(Context context, float startScale,
|
|
float endScale, float startAlpha, float endAlpha) {
|
|
AnimationSet set = new AnimationSet(false);
|
|
ScaleAnimation scale = new ScaleAnimation(startScale, endScale, startScale, endScale,
|
|
Animation.RELATIVE_TO_SELF, .5f, Animation.RELATIVE_TO_SELF, .5f);
|
|
scale.setInterpolator(DECELERATE_QUINT);
|
|
scale.setDuration(ANIM_DUR);
|
|
set.addAnimation(scale);
|
|
AlphaAnimation alpha = new AlphaAnimation(startAlpha, endAlpha);
|
|
alpha.setInterpolator(DECELERATE_CUBIC);
|
|
alpha.setDuration(ANIM_DUR);
|
|
set.addAnimation(alpha);
|
|
return set;
|
|
}
|
|
|
|
static Animation makeFadeAnimation(Context context, float start, float end) {
|
|
AlphaAnimation anim = new AlphaAnimation(start, end);
|
|
anim.setInterpolator(DECELERATE_CUBIC);
|
|
anim.setDuration(ANIM_DUR);
|
|
return anim;
|
|
}
|
|
|
|
Animation loadAnimation(Fragment fragment, int transit, boolean enter,
|
|
int transitionStyle) {
|
|
Animation animObj = fragment.onCreateAnimation(transit, enter,
|
|
fragment.mNextAnim);
|
|
if (animObj != null) {
|
|
return animObj;
|
|
}
|
|
|
|
if (fragment.mNextAnim != 0) {
|
|
Animation anim = AnimationUtils.loadAnimation(mActivity.asActivity(), fragment.mNextAnim);
|
|
if (anim != null) {
|
|
return anim;
|
|
}
|
|
}
|
|
|
|
if (transit == 0) {
|
|
return null;
|
|
}
|
|
|
|
int styleIndex = transitToStyleIndex(transit, enter);
|
|
if (styleIndex < 0) {
|
|
return null;
|
|
}
|
|
|
|
switch (styleIndex) {
|
|
case ANIM_STYLE_OPEN_ENTER:
|
|
return makeOpenCloseAnimation(mActivity.asActivity(), 1.125f, 1.0f, 0, 1);
|
|
case ANIM_STYLE_OPEN_EXIT:
|
|
return makeOpenCloseAnimation(mActivity.asActivity(), 1.0f, .975f, 1, 0);
|
|
case ANIM_STYLE_CLOSE_ENTER:
|
|
return makeOpenCloseAnimation(mActivity.asActivity(), .975f, 1.0f, 0, 1);
|
|
case ANIM_STYLE_CLOSE_EXIT:
|
|
return makeOpenCloseAnimation(mActivity.asActivity(), 1.0f, 1.075f, 1, 0);
|
|
case ANIM_STYLE_FADE_ENTER:
|
|
return makeFadeAnimation(mActivity.asActivity(), 0, 1);
|
|
case ANIM_STYLE_FADE_EXIT:
|
|
return makeFadeAnimation(mActivity.asActivity(), 1, 0);
|
|
}
|
|
|
|
if (transitionStyle == 0 && mActivity.getWindow() != null) {
|
|
transitionStyle = mActivity.getWindow().getAttributes().windowAnimations;
|
|
}
|
|
if (transitionStyle == 0) {
|
|
return null;
|
|
}
|
|
|
|
//TypedArray attrs = mActivity.obtainStyledAttributes(transitionStyle,
|
|
// com.android.internal.R.styleable.FragmentAnimation);
|
|
//int anim = attrs.getResourceId(styleIndex, 0);
|
|
//attrs.recycle();
|
|
|
|
//if (anim == 0) {
|
|
// return null;
|
|
//}
|
|
|
|
//return AnimatorInflater.loadAnimator(mActivity, anim);
|
|
return null;
|
|
}
|
|
|
|
public void performPendingDeferredStart(Fragment f) {
|
|
if (f.mDeferStart) {
|
|
if (mExecutingActions) {
|
|
// Wait until we're done executing our pending transactions
|
|
mHavePendingDeferredStart = true;
|
|
return;
|
|
}
|
|
f.mDeferStart = false;
|
|
moveToState(f, mCurState, 0, 0);
|
|
}
|
|
}
|
|
|
|
void moveToState(Fragment f, int newState, int transit, int transitionStyle) {
|
|
// Fragments that are not currently added will sit in the onCreate() state.
|
|
if (!f.mAdded && newState > Fragment.CREATED) {
|
|
newState = Fragment.CREATED;
|
|
}
|
|
if (f.mRemoving && newState > f.mState) {
|
|
// While removing a fragment, we can't change it to a higher state.
|
|
newState = f.mState;
|
|
}
|
|
// Defer start if requested; don't allow it to move to STARTED or higher
|
|
// if it's not already started.
|
|
if (f.mDeferStart && f.mState < Fragment.STARTED && newState > Fragment.STOPPED) {
|
|
newState = Fragment.STOPPED;
|
|
}
|
|
if (f.mState < newState) {
|
|
// For fragments that are created from a layout, when restoring from
|
|
// state we don't want to allow them to be created until they are
|
|
// being reloaded from the layout.
|
|
if (f.mFromLayout && !f.mInLayout) {
|
|
return;
|
|
}
|
|
if (f.mAnimatingAway != null) {
|
|
// The fragment is currently being animated... but! Now we
|
|
// want to move our state back up. Give up on waiting for the
|
|
// animation, move to whatever the final state should be once
|
|
// the animation is done, and then we can proceed from there.
|
|
f.mAnimatingAway = null;
|
|
moveToState(f, f.mStateAfterAnimating, 0, 0);
|
|
}
|
|
switch (f.mState) {
|
|
case Fragment.INITIALIZING:
|
|
if (DEBUG) Log.v(TAG, "moveto CREATED: " + f);
|
|
if (f.mSavedFragmentState != null) {
|
|
f.mSavedViewState = f.mSavedFragmentState.getSparseParcelableArray(
|
|
FragmentManagerImpl.VIEW_STATE_TAG);
|
|
f.mTarget = getFragment(f.mSavedFragmentState,
|
|
FragmentManagerImpl.TARGET_STATE_TAG);
|
|
if (f.mTarget != null) {
|
|
f.mTargetRequestCode = f.mSavedFragmentState.getInt(
|
|
FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG, 0);
|
|
}
|
|
f.mUserVisibleHint = f.mSavedFragmentState.getBoolean(
|
|
FragmentManagerImpl.USER_VISIBLE_HINT_TAG, true);
|
|
if (!f.mUserVisibleHint) {
|
|
f.mDeferStart = true;
|
|
if (newState > Fragment.STOPPED) {
|
|
newState = Fragment.STOPPED;
|
|
}
|
|
}
|
|
}
|
|
f.mActivity = mActivity;
|
|
f.mFragmentManager = mActivity.getInternalCallbacks().getFragments();
|
|
f.mCalled = false;
|
|
f.onAttach(mActivity);
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onAttach()");
|
|
}
|
|
mActivity.onAttachFragment(f);
|
|
|
|
if (!f.mRetaining) {
|
|
f.mCalled = false;
|
|
f.onCreate(f.mSavedFragmentState);
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onCreate()");
|
|
}
|
|
}
|
|
f.mRetaining = false;
|
|
if (f.mFromLayout) {
|
|
// For fragments that are part of the content view
|
|
// layout, we need to instantiate the view immediately
|
|
// and the inflater will take care of adding it.
|
|
f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState),
|
|
null, f.mSavedFragmentState);
|
|
if (f.mView != null) {
|
|
f.mInnerView = f.mView;
|
|
f.mView = NoSaveStateFrameLayout.wrap(f.mView);
|
|
if (f.mHidden) f.mView.setVisibility(View.GONE);
|
|
f.onViewCreated(f.mView, f.mSavedFragmentState);
|
|
} else {
|
|
f.mInnerView = null;
|
|
}
|
|
}
|
|
case Fragment.CREATED:
|
|
if (newState > Fragment.CREATED) {
|
|
if (DEBUG) Log.v(TAG, "moveto ACTIVITY_CREATED: " + f);
|
|
if (!f.mFromLayout) {
|
|
ViewGroup container = null;
|
|
if (f.mContainerId != 0) {
|
|
container = (ViewGroup)mActivity.findViewById(f.mContainerId);
|
|
if (container == null && !f.mRestored) {
|
|
throw new IllegalArgumentException("No view found for id 0x"
|
|
+ Integer.toHexString(f.mContainerId)
|
|
+ " for fragment " + f);
|
|
}
|
|
}
|
|
f.mContainer = container;
|
|
f.mView = f.onCreateView(f.getLayoutInflater(f.mSavedFragmentState),
|
|
container, f.mSavedFragmentState);
|
|
if (f.mView != null) {
|
|
f.mInnerView = f.mView;
|
|
f.mView = NoSaveStateFrameLayout.wrap(f.mView);
|
|
if (container != null) {
|
|
Animation anim = loadAnimation(f, transit, true,
|
|
transitionStyle);
|
|
if (anim != null) {
|
|
f.mView.startAnimation(anim);
|
|
}
|
|
container.addView(f.mView);
|
|
}
|
|
if (f.mHidden) f.mView.setVisibility(View.GONE);
|
|
f.onViewCreated(f.mView, f.mSavedFragmentState);
|
|
} else {
|
|
f.mInnerView = null;
|
|
}
|
|
}
|
|
|
|
f.mCalled = false;
|
|
f.onActivityCreated(f.mSavedFragmentState);
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onActivityCreated()");
|
|
}
|
|
if (f.mView != null) {
|
|
f.restoreViewState();
|
|
}
|
|
f.mSavedFragmentState = null;
|
|
}
|
|
case Fragment.ACTIVITY_CREATED:
|
|
case Fragment.STOPPED:
|
|
if (newState > Fragment.STOPPED) {
|
|
if (DEBUG) Log.v(TAG, "moveto STARTED: " + f);
|
|
f.mCalled = false;
|
|
f.performStart();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onStart()");
|
|
}
|
|
}
|
|
case Fragment.STARTED:
|
|
if (newState > Fragment.STARTED) {
|
|
if (DEBUG) Log.v(TAG, "moveto RESUMED: " + f);
|
|
f.mCalled = false;
|
|
f.mResumed = true;
|
|
f.onResume();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onResume()");
|
|
}
|
|
f.mSavedFragmentState = null;
|
|
f.mSavedViewState = null;
|
|
}
|
|
}
|
|
} else if (f.mState > newState) {
|
|
switch (f.mState) {
|
|
case Fragment.RESUMED:
|
|
if (newState < Fragment.RESUMED) {
|
|
if (DEBUG) Log.v(TAG, "movefrom RESUMED: " + f);
|
|
f.mCalled = false;
|
|
f.onPause();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onPause()");
|
|
}
|
|
f.mResumed = false;
|
|
}
|
|
case Fragment.STARTED:
|
|
if (newState < Fragment.STARTED) {
|
|
if (DEBUG) Log.v(TAG, "movefrom STARTED: " + f);
|
|
f.mCalled = false;
|
|
f.performStop();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onStop()");
|
|
}
|
|
}
|
|
case Fragment.STOPPED:
|
|
if (newState < Fragment.STOPPED) {
|
|
if (DEBUG) Log.v(TAG, "movefrom STOPPED: " + f);
|
|
f.performReallyStop();
|
|
}
|
|
case Fragment.ACTIVITY_CREATED:
|
|
if (newState < Fragment.ACTIVITY_CREATED) {
|
|
if (DEBUG) Log.v(TAG, "movefrom ACTIVITY_CREATED: " + f);
|
|
if (f.mView != null) {
|
|
// Need to save the current view state if not
|
|
// done already.
|
|
if (!mActivity.isFinishing() && f.mSavedViewState == null) {
|
|
saveFragmentViewState(f);
|
|
}
|
|
}
|
|
f.mCalled = false;
|
|
f.performDestroyView();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onDestroyView()");
|
|
}
|
|
if (f.mView != null && f.mContainer != null) {
|
|
Animation anim = null;
|
|
if (mCurState > Fragment.INITIALIZING && !mDestroyed) {
|
|
anim = loadAnimation(f, transit, false,
|
|
transitionStyle);
|
|
}
|
|
if (anim != null) {
|
|
final Fragment fragment = f;
|
|
f.mAnimatingAway = f.mView;
|
|
f.mStateAfterAnimating = newState;
|
|
anim.setAnimationListener(new AnimationListener() {
|
|
@Override
|
|
public void onAnimationEnd(Animation animation) {
|
|
if (fragment.mAnimatingAway != null) {
|
|
fragment.mAnimatingAway = null;
|
|
moveToState(fragment, fragment.mStateAfterAnimating,
|
|
0, 0);
|
|
}
|
|
}
|
|
@Override
|
|
public void onAnimationRepeat(Animation animation) {
|
|
}
|
|
@Override
|
|
public void onAnimationStart(Animation animation) {
|
|
}
|
|
});
|
|
f.mView.startAnimation(anim);
|
|
}
|
|
f.mContainer.removeView(f.mView);
|
|
}
|
|
f.mContainer = null;
|
|
f.mView = null;
|
|
f.mInnerView = null;
|
|
}
|
|
case Fragment.CREATED:
|
|
if (newState < Fragment.CREATED) {
|
|
if (mDestroyed) {
|
|
if (f.mAnimatingAway != null) {
|
|
// The fragment's containing activity is
|
|
// being destroyed, but this fragment is
|
|
// currently animating away. Stop the
|
|
// animation right now -- it is not needed,
|
|
// and we can't wait any more on destroying
|
|
// the fragment.
|
|
View v = f.mAnimatingAway;
|
|
f.mAnimatingAway = null;
|
|
v.clearAnimation();
|
|
}
|
|
}
|
|
if (f.mAnimatingAway != null) {
|
|
// We are waiting for the fragment's view to finish
|
|
// animating away. Just make a note of the state
|
|
// the fragment now should move to once the animation
|
|
// is done.
|
|
f.mStateAfterAnimating = newState;
|
|
newState = Fragment.CREATED;
|
|
} else {
|
|
if (DEBUG) Log.v(TAG, "movefrom CREATED: " + f);
|
|
if (!f.mRetaining) {
|
|
f.mCalled = false;
|
|
f.onDestroy();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onDestroy()");
|
|
}
|
|
}
|
|
|
|
f.mCalled = false;
|
|
f.onDetach();
|
|
if (!f.mCalled) {
|
|
throw new SuperNotCalledException("Fragment " + f
|
|
+ " did not call through to super.onDetach()");
|
|
}
|
|
if (!f.mRetaining) {
|
|
makeInactive(f);
|
|
} else {
|
|
f.mActivity = null;
|
|
f.mFragmentManager = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
f.mState = newState;
|
|
}
|
|
|
|
void moveToState(Fragment f) {
|
|
moveToState(f, mCurState, 0, 0);
|
|
}
|
|
|
|
void moveToState(int newState, boolean always) {
|
|
moveToState(newState, 0, 0, always);
|
|
}
|
|
|
|
void moveToState(int newState, int transit, int transitStyle, boolean always) {
|
|
if (mActivity == null && newState != Fragment.INITIALIZING) {
|
|
throw new IllegalStateException("No activity");
|
|
}
|
|
|
|
if (!always && mCurState == newState) {
|
|
return;
|
|
}
|
|
|
|
mCurState = newState;
|
|
if (mActive != null) {
|
|
boolean loadersRunning = false;
|
|
for (int i=0; i<mActive.size(); i++) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null) {
|
|
moveToState(f, newState, transit, transitStyle);
|
|
if (f.mLoaderManager != null) {
|
|
loadersRunning |= f.mLoaderManager.hasRunningLoaders();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!loadersRunning) {
|
|
startPendingDeferredFragments();
|
|
}
|
|
|
|
if (mNeedMenuInvalidate && mActivity != null && mCurState == Fragment.RESUMED) {
|
|
mActivity.invalidateOptionsMenu();
|
|
mNeedMenuInvalidate = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void startPendingDeferredFragments() {
|
|
if (mActive == null) return;
|
|
|
|
for (int i=0; i<mActive.size(); i++) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null) {
|
|
performPendingDeferredStart(f);
|
|
}
|
|
}
|
|
}
|
|
|
|
void makeActive(Fragment f) {
|
|
if (f.mIndex >= 0) {
|
|
return;
|
|
}
|
|
|
|
if (mAvailIndices == null || mAvailIndices.size() <= 0) {
|
|
if (mActive == null) {
|
|
mActive = new ArrayList<Fragment>();
|
|
}
|
|
f.setIndex(mActive.size());
|
|
mActive.add(f);
|
|
|
|
} else {
|
|
f.setIndex(mAvailIndices.remove(mAvailIndices.size()-1));
|
|
mActive.set(f.mIndex, f);
|
|
}
|
|
}
|
|
|
|
void makeInactive(Fragment f) {
|
|
if (f.mIndex < 0) {
|
|
return;
|
|
}
|
|
|
|
if (DEBUG) Log.v(TAG, "Freeing fragment index " + f.mIndex);
|
|
mActive.set(f.mIndex, null);
|
|
if (mAvailIndices == null) {
|
|
mAvailIndices = new ArrayList<Integer>();
|
|
}
|
|
mAvailIndices.add(f.mIndex);
|
|
mActivity.getInternalCallbacks().invalidateSupportFragmentIndex(f.mIndex);
|
|
f.initState();
|
|
}
|
|
|
|
public void addFragment(Fragment fragment, boolean moveToStateNow) {
|
|
if (mAdded == null) {
|
|
mAdded = new ArrayList<Fragment>();
|
|
}
|
|
if (DEBUG) Log.v(TAG, "add: " + fragment);
|
|
makeActive(fragment);
|
|
if (!fragment.mDetached) {
|
|
mAdded.add(fragment);
|
|
fragment.mAdded = true;
|
|
fragment.mRemoving = false;
|
|
if (fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
if (moveToStateNow) {
|
|
moveToState(fragment);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void removeFragment(Fragment fragment, int transition, int transitionStyle) {
|
|
if (DEBUG) Log.v(TAG, "remove: " + fragment + " nesting=" + fragment.mBackStackNesting);
|
|
final boolean inactive = !fragment.isInBackStack();
|
|
if (!fragment.mDetached || inactive) {
|
|
mAdded.remove(fragment);
|
|
if (fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
fragment.mAdded = false;
|
|
fragment.mRemoving = true;
|
|
moveToState(fragment, inactive ? Fragment.INITIALIZING : Fragment.CREATED,
|
|
transition, transitionStyle);
|
|
}
|
|
}
|
|
|
|
public void hideFragment(Fragment fragment, int transition, int transitionStyle) {
|
|
if (DEBUG) Log.v(TAG, "hide: " + fragment);
|
|
if (!fragment.mHidden) {
|
|
fragment.mHidden = true;
|
|
if (fragment.mView != null) {
|
|
Animation anim = loadAnimation(fragment, transition, true,
|
|
transitionStyle);
|
|
if (anim != null) {
|
|
fragment.mView.startAnimation(anim);
|
|
}
|
|
fragment.mView.setVisibility(View.GONE);
|
|
}
|
|
if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
fragment.onHiddenChanged(true);
|
|
}
|
|
}
|
|
|
|
public void showFragment(Fragment fragment, int transition, int transitionStyle) {
|
|
if (DEBUG) Log.v(TAG, "show: " + fragment);
|
|
if (fragment.mHidden) {
|
|
fragment.mHidden = false;
|
|
if (fragment.mView != null) {
|
|
Animation anim = loadAnimation(fragment, transition, true,
|
|
transitionStyle);
|
|
if (anim != null) {
|
|
fragment.mView.startAnimation(anim);
|
|
}
|
|
fragment.mView.setVisibility(View.VISIBLE);
|
|
}
|
|
if (fragment.mAdded && fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
fragment.onHiddenChanged(false);
|
|
}
|
|
}
|
|
|
|
public void detachFragment(Fragment fragment, int transition, int transitionStyle) {
|
|
if (DEBUG) Log.v(TAG, "detach: " + fragment);
|
|
if (!fragment.mDetached) {
|
|
fragment.mDetached = true;
|
|
if (fragment.mAdded) {
|
|
// We are not already in back stack, so need to remove the fragment.
|
|
mAdded.remove(fragment);
|
|
if (fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
fragment.mAdded = false;
|
|
moveToState(fragment, Fragment.CREATED, transition, transitionStyle);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void attachFragment(Fragment fragment, int transition, int transitionStyle) {
|
|
if (DEBUG) Log.v(TAG, "attach: " + fragment);
|
|
if (fragment.mDetached) {
|
|
fragment.mDetached = false;
|
|
if (!fragment.mAdded) {
|
|
mAdded.add(fragment);
|
|
fragment.mAdded = true;
|
|
if (fragment.mHasMenu && fragment.mMenuVisible) {
|
|
mNeedMenuInvalidate = true;
|
|
}
|
|
moveToState(fragment, mCurState, transition, transitionStyle);
|
|
}
|
|
}
|
|
}
|
|
|
|
public Fragment findFragmentById(int id) {
|
|
if (mActive != null) {
|
|
// First look through added fragments.
|
|
for (int i=mAdded.size()-1; i>=0; i--) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && f.mFragmentId == id) {
|
|
return f;
|
|
}
|
|
}
|
|
// Now for any known fragment.
|
|
for (int i=mActive.size()-1; i>=0; i--) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null && f.mFragmentId == id) {
|
|
return f;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public Fragment findFragmentByTag(String tag) {
|
|
if (mActive != null && tag != null) {
|
|
// First look through added fragments.
|
|
for (int i=mAdded.size()-1; i>=0; i--) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && tag.equals(f.mTag)) {
|
|
return f;
|
|
}
|
|
}
|
|
// Now for any known fragment.
|
|
for (int i=mActive.size()-1; i>=0; i--) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null && tag.equals(f.mTag)) {
|
|
return f;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public Fragment findFragmentByWho(String who) {
|
|
if (mActive != null && who != null) {
|
|
for (int i=mActive.size()-1; i>=0; i--) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null && who.equals(f.mWho)) {
|
|
return f;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void checkStateLoss() {
|
|
if (mStateSaved) {
|
|
throw new IllegalStateException(
|
|
"Can not perform this action after onSaveInstanceState");
|
|
}
|
|
if (mNoTransactionsBecause != null) {
|
|
throw new IllegalStateException(
|
|
"Can not perform this action inside of " + mNoTransactionsBecause);
|
|
}
|
|
}
|
|
|
|
public void enqueueAction(Runnable action, boolean allowStateLoss) {
|
|
if (!allowStateLoss) {
|
|
checkStateLoss();
|
|
}
|
|
synchronized (this) {
|
|
if (mActivity == null) {
|
|
throw new IllegalStateException("Activity has been destroyed");
|
|
}
|
|
if (mPendingActions == null) {
|
|
mPendingActions = new ArrayList<Runnable>();
|
|
}
|
|
mPendingActions.add(action);
|
|
if (mPendingActions.size() == 1) {
|
|
mActivity.getInternalCallbacks().getHandler().removeCallbacks(mExecCommit);
|
|
mActivity.getInternalCallbacks().getHandler().post(mExecCommit);
|
|
}
|
|
}
|
|
}
|
|
|
|
public int allocBackStackIndex(BackStackRecord bse) {
|
|
synchronized (this) {
|
|
if (mAvailBackStackIndices == null || mAvailBackStackIndices.size() <= 0) {
|
|
if (mBackStackIndices == null) {
|
|
mBackStackIndices = new ArrayList<BackStackRecord>();
|
|
}
|
|
int index = mBackStackIndices.size();
|
|
if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse);
|
|
mBackStackIndices.add(bse);
|
|
return index;
|
|
|
|
} else {
|
|
int index = mAvailBackStackIndices.remove(mAvailBackStackIndices.size()-1);
|
|
if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse);
|
|
mBackStackIndices.set(index, bse);
|
|
return index;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void setBackStackIndex(int index, BackStackRecord bse) {
|
|
synchronized (this) {
|
|
if (mBackStackIndices == null) {
|
|
mBackStackIndices = new ArrayList<BackStackRecord>();
|
|
}
|
|
int N = mBackStackIndices.size();
|
|
if (index < N) {
|
|
if (DEBUG) Log.v(TAG, "Setting back stack index " + index + " to " + bse);
|
|
mBackStackIndices.set(index, bse);
|
|
} else {
|
|
while (N < index) {
|
|
mBackStackIndices.add(null);
|
|
if (mAvailBackStackIndices == null) {
|
|
mAvailBackStackIndices = new ArrayList<Integer>();
|
|
}
|
|
if (DEBUG) Log.v(TAG, "Adding available back stack index " + N);
|
|
mAvailBackStackIndices.add(N);
|
|
N++;
|
|
}
|
|
if (DEBUG) Log.v(TAG, "Adding back stack index " + index + " with " + bse);
|
|
mBackStackIndices.add(bse);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void freeBackStackIndex(int index) {
|
|
synchronized (this) {
|
|
mBackStackIndices.set(index, null);
|
|
if (mAvailBackStackIndices == null) {
|
|
mAvailBackStackIndices = new ArrayList<Integer>();
|
|
}
|
|
if (DEBUG) Log.v(TAG, "Freeing back stack index " + index);
|
|
mAvailBackStackIndices.add(index);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Only call from main thread!
|
|
*/
|
|
public boolean execPendingActions() {
|
|
if (mExecutingActions) {
|
|
throw new IllegalStateException("Recursive entry to executePendingTransactions");
|
|
}
|
|
|
|
if (Looper.myLooper() != mActivity.getInternalCallbacks().getHandler().getLooper()) {
|
|
throw new IllegalStateException("Must be called from main thread of process");
|
|
}
|
|
|
|
boolean didSomething = false;
|
|
|
|
while (true) {
|
|
int numActions;
|
|
|
|
synchronized (this) {
|
|
if (mPendingActions == null || mPendingActions.size() == 0) {
|
|
break;
|
|
}
|
|
|
|
numActions = mPendingActions.size();
|
|
if (mTmpActions == null || mTmpActions.length < numActions) {
|
|
mTmpActions = new Runnable[numActions];
|
|
}
|
|
mPendingActions.toArray(mTmpActions);
|
|
mPendingActions.clear();
|
|
mActivity.getInternalCallbacks().getHandler().removeCallbacks(mExecCommit);
|
|
}
|
|
|
|
mExecutingActions = true;
|
|
for (int i=0; i<numActions; i++) {
|
|
mTmpActions[i].run();
|
|
mTmpActions[i] = null;
|
|
}
|
|
mExecutingActions = false;
|
|
didSomething = true;
|
|
}
|
|
|
|
if (mHavePendingDeferredStart) {
|
|
boolean loadersRunning = false;
|
|
for (int i=0; i<mActive.size(); i++) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null && f.mLoaderManager != null) {
|
|
loadersRunning |= f.mLoaderManager.hasRunningLoaders();
|
|
}
|
|
}
|
|
if (!loadersRunning) {
|
|
mHavePendingDeferredStart = false;
|
|
startPendingDeferredFragments();
|
|
}
|
|
}
|
|
return didSomething;
|
|
}
|
|
|
|
void reportBackStackChanged() {
|
|
if (mBackStackChangeListeners != null) {
|
|
for (int i=0; i<mBackStackChangeListeners.size(); i++) {
|
|
mBackStackChangeListeners.get(i).onBackStackChanged();
|
|
}
|
|
}
|
|
}
|
|
|
|
void addBackStackState(BackStackRecord state) {
|
|
if (mBackStack == null) {
|
|
mBackStack = new ArrayList<BackStackRecord>();
|
|
}
|
|
mBackStack.add(state);
|
|
reportBackStackChanged();
|
|
}
|
|
|
|
boolean popBackStackState(Handler handler, String name, int id, int flags) {
|
|
if (mBackStack == null) {
|
|
return false;
|
|
}
|
|
if (name == null && id < 0 && (flags&POP_BACK_STACK_INCLUSIVE) == 0) {
|
|
int last = mBackStack.size()-1;
|
|
if (last < 0) {
|
|
return false;
|
|
}
|
|
final BackStackRecord bss = mBackStack.remove(last);
|
|
bss.popFromBackStack(true);
|
|
reportBackStackChanged();
|
|
} else {
|
|
int index = -1;
|
|
if (name != null || id >= 0) {
|
|
// If a name or ID is specified, look for that place in
|
|
// the stack.
|
|
index = mBackStack.size()-1;
|
|
while (index >= 0) {
|
|
BackStackRecord bss = mBackStack.get(index);
|
|
if (name != null && name.equals(bss.getName())) {
|
|
break;
|
|
}
|
|
if (id >= 0 && id == bss.mIndex) {
|
|
break;
|
|
}
|
|
index--;
|
|
}
|
|
if (index < 0) {
|
|
return false;
|
|
}
|
|
if ((flags&POP_BACK_STACK_INCLUSIVE) != 0) {
|
|
index--;
|
|
// Consume all following entries that match.
|
|
while (index >= 0) {
|
|
BackStackRecord bss = mBackStack.get(index);
|
|
if ((name != null && name.equals(bss.getName()))
|
|
|| (id >= 0 && id == bss.mIndex)) {
|
|
index--;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (index == mBackStack.size()-1) {
|
|
return false;
|
|
}
|
|
final ArrayList<BackStackRecord> states
|
|
= new ArrayList<BackStackRecord>();
|
|
for (int i=mBackStack.size()-1; i>index; i--) {
|
|
states.add(mBackStack.remove(i));
|
|
}
|
|
final int LAST = states.size()-1;
|
|
for (int i=0; i<=LAST; i++) {
|
|
if (DEBUG) Log.v(TAG, "Popping back stack state: " + states.get(i));
|
|
states.get(i).popFromBackStack(i == LAST);
|
|
}
|
|
reportBackStackChanged();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
ArrayList<Fragment> retainNonConfig() {
|
|
ArrayList<Fragment> fragments = null;
|
|
if (mActive != null) {
|
|
for (int i=0; i<mActive.size(); i++) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null && f.mRetainInstance) {
|
|
if (fragments == null) {
|
|
fragments = new ArrayList<Fragment>();
|
|
}
|
|
fragments.add(f);
|
|
f.mRetaining = true;
|
|
f.mTargetIndex = f.mTarget != null ? f.mTarget.mIndex : -1;
|
|
}
|
|
}
|
|
}
|
|
return fragments;
|
|
}
|
|
|
|
void saveFragmentViewState(Fragment f) {
|
|
if (f.mInnerView == null) {
|
|
return;
|
|
}
|
|
if (mStateArray == null) {
|
|
mStateArray = new SparseArray<Parcelable>();
|
|
} else {
|
|
mStateArray.clear();
|
|
}
|
|
f.mInnerView.saveHierarchyState(mStateArray);
|
|
if (mStateArray.size() > 0) {
|
|
f.mSavedViewState = mStateArray;
|
|
mStateArray = null;
|
|
}
|
|
}
|
|
|
|
Bundle saveFragmentBasicState(Fragment f) {
|
|
Bundle result = null;
|
|
|
|
if (mStateBundle == null) {
|
|
mStateBundle = new Bundle();
|
|
}
|
|
f.onSaveInstanceState(mStateBundle);
|
|
if (!mStateBundle.isEmpty()) {
|
|
result = mStateBundle;
|
|
mStateBundle = null;
|
|
}
|
|
|
|
if (f.mView != null) {
|
|
saveFragmentViewState(f);
|
|
}
|
|
if (f.mSavedViewState != null) {
|
|
if (result == null) {
|
|
result = new Bundle();
|
|
}
|
|
result.putSparseParcelableArray(
|
|
FragmentManagerImpl.VIEW_STATE_TAG, f.mSavedViewState);
|
|
}
|
|
if (!f.mUserVisibleHint) {
|
|
// Only add this if it's not the default value
|
|
result.putBoolean(FragmentManagerImpl.USER_VISIBLE_HINT_TAG, f.mUserVisibleHint);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
Parcelable saveAllState() {
|
|
// Make sure all pending operations have now been executed to get
|
|
// our state update-to-date.
|
|
execPendingActions();
|
|
|
|
if (HONEYCOMB) {
|
|
// As of Honeycomb, we save state after pausing. Prior to that
|
|
// it is before pausing. With fragments this is an issue, since
|
|
// there are many things you may do after pausing but before
|
|
// stopping that change the fragment state. For those older
|
|
// devices, we will not at this point say that we have saved
|
|
// the state, so we will allow them to continue doing fragment
|
|
// transactions. This retains the same semantics as Honeycomb,
|
|
// though you do have the risk of losing the very most recent state
|
|
// if the process is killed... we'll live with that.
|
|
mStateSaved = true;
|
|
}
|
|
|
|
if (mActive == null || mActive.size() <= 0) {
|
|
return null;
|
|
}
|
|
|
|
// First collect all active fragments.
|
|
int N = mActive.size();
|
|
FragmentState[] active = new FragmentState[N];
|
|
boolean haveFragments = false;
|
|
for (int i=0; i<N; i++) {
|
|
Fragment f = mActive.get(i);
|
|
if (f != null) {
|
|
haveFragments = true;
|
|
|
|
FragmentState fs = new FragmentState(f);
|
|
active[i] = fs;
|
|
|
|
if (f.mState > Fragment.INITIALIZING && fs.mSavedFragmentState == null) {
|
|
fs.mSavedFragmentState = saveFragmentBasicState(f);
|
|
|
|
if (f.mTarget != null) {
|
|
if (f.mTarget.mIndex < 0) {
|
|
String msg = "Failure saving state: " + f
|
|
+ " has target not in fragment manager: " + f.mTarget;
|
|
Log.e(TAG, msg);
|
|
dump(" ", null, new PrintWriter(new LogWriter(TAG)), new String[] { });
|
|
throw new IllegalStateException(msg);
|
|
}
|
|
if (fs.mSavedFragmentState == null) {
|
|
fs.mSavedFragmentState = new Bundle();
|
|
}
|
|
putFragment(fs.mSavedFragmentState,
|
|
FragmentManagerImpl.TARGET_STATE_TAG, f.mTarget);
|
|
if (f.mTargetRequestCode != 0) {
|
|
fs.mSavedFragmentState.putInt(
|
|
FragmentManagerImpl.TARGET_REQUEST_CODE_STATE_TAG,
|
|
f.mTargetRequestCode);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
fs.mSavedFragmentState = f.mSavedFragmentState;
|
|
}
|
|
|
|
if (DEBUG) Log.v(TAG, "Saved state of " + f + ": "
|
|
+ fs.mSavedFragmentState);
|
|
}
|
|
}
|
|
|
|
if (!haveFragments) {
|
|
if (DEBUG) Log.v(TAG, "saveAllState: no fragments!");
|
|
return null;
|
|
}
|
|
|
|
int[] added = null;
|
|
BackStackState[] backStack = null;
|
|
|
|
// Build list of currently added fragments.
|
|
if (mAdded != null) {
|
|
N = mAdded.size();
|
|
if (N > 0) {
|
|
added = new int[N];
|
|
for (int i=0; i<N; i++) {
|
|
added[i] = mAdded.get(i).mIndex;
|
|
if (DEBUG) Log.v(TAG, "saveAllState: adding fragment #" + i
|
|
+ ": " + mAdded.get(i));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now save back stack.
|
|
if (mBackStack != null) {
|
|
N = mBackStack.size();
|
|
if (N > 0) {
|
|
backStack = new BackStackState[N];
|
|
for (int i=0; i<N; i++) {
|
|
backStack[i] = new BackStackState(this, mBackStack.get(i));
|
|
if (DEBUG) Log.v(TAG, "saveAllState: adding back stack #" + i
|
|
+ ": " + mBackStack.get(i));
|
|
}
|
|
}
|
|
}
|
|
|
|
FragmentManagerState fms = new FragmentManagerState();
|
|
fms.mActive = active;
|
|
fms.mAdded = added;
|
|
fms.mBackStack = backStack;
|
|
return fms;
|
|
}
|
|
|
|
void restoreAllState(Parcelable state, ArrayList<Fragment> nonConfig) {
|
|
// If there is no saved state at all, then there can not be
|
|
// any nonConfig fragments either, so that is that.
|
|
if (state == null) return;
|
|
FragmentManagerState fms = (FragmentManagerState)state;
|
|
if (fms.mActive == null) return;
|
|
|
|
// First re-attach any non-config instances we are retaining back
|
|
// to their saved state, so we don't try to instantiate them again.
|
|
if (nonConfig != null) {
|
|
for (int i=0; i<nonConfig.size(); i++) {
|
|
Fragment f = nonConfig.get(i);
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: re-attaching retained " + f);
|
|
FragmentState fs = fms.mActive[f.mIndex];
|
|
fs.mInstance = f;
|
|
f.mSavedViewState = null;
|
|
f.mBackStackNesting = 0;
|
|
f.mInLayout = false;
|
|
f.mAdded = false;
|
|
f.mTarget = null;
|
|
if (fs.mSavedFragmentState != null) {
|
|
fs.mSavedFragmentState.setClassLoader(mActivity.getClassLoader());
|
|
f.mSavedViewState = fs.mSavedFragmentState.getSparseParcelableArray(
|
|
FragmentManagerImpl.VIEW_STATE_TAG);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Build the full list of active fragments, instantiating them from
|
|
// their saved state.
|
|
mActive = new ArrayList<Fragment>(fms.mActive.length);
|
|
if (mAvailIndices != null) {
|
|
mAvailIndices.clear();
|
|
}
|
|
for (int i=0; i<fms.mActive.length; i++) {
|
|
FragmentState fs = fms.mActive[i];
|
|
if (fs != null) {
|
|
Fragment f = fs.instantiate(mActivity);
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": " + f);
|
|
mActive.add(f);
|
|
// Now that the fragment is instantiated (or came from being
|
|
// retained above), clear mInstance in case we end up re-restoring
|
|
// from this FragmentState again.
|
|
fs.mInstance = null;
|
|
} else {
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: adding #" + i + ": (null)");
|
|
mActive.add(null);
|
|
if (mAvailIndices == null) {
|
|
mAvailIndices = new ArrayList<Integer>();
|
|
}
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: adding avail #" + i);
|
|
mAvailIndices.add(i);
|
|
}
|
|
}
|
|
|
|
// Update the target of all retained fragments.
|
|
if (nonConfig != null) {
|
|
for (int i=0; i<nonConfig.size(); i++) {
|
|
Fragment f = nonConfig.get(i);
|
|
if (f.mTargetIndex >= 0) {
|
|
if (f.mTargetIndex < mActive.size()) {
|
|
f.mTarget = mActive.get(f.mTargetIndex);
|
|
} else {
|
|
Log.w(TAG, "Re-attaching retained fragment " + f
|
|
+ " target no longer exists: " + f.mTargetIndex);
|
|
f.mTarget = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Build the list of currently added fragments.
|
|
if (fms.mAdded != null) {
|
|
mAdded = new ArrayList<Fragment>(fms.mAdded.length);
|
|
for (int i=0; i<fms.mAdded.length; i++) {
|
|
Fragment f = mActive.get(fms.mAdded[i]);
|
|
if (f == null) {
|
|
throw new IllegalStateException(
|
|
"No instantiated fragment for index #" + fms.mAdded[i]);
|
|
}
|
|
f.mAdded = true;
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: making added #" + i + ": " + f);
|
|
mAdded.add(f);
|
|
}
|
|
} else {
|
|
mAdded = null;
|
|
}
|
|
|
|
// Build the back stack.
|
|
if (fms.mBackStack != null) {
|
|
mBackStack = new ArrayList<BackStackRecord>(fms.mBackStack.length);
|
|
for (int i=0; i<fms.mBackStack.length; i++) {
|
|
BackStackRecord bse = fms.mBackStack[i].instantiate(this);
|
|
if (DEBUG) Log.v(TAG, "restoreAllState: adding bse #" + i
|
|
+ " (index " + bse.mIndex + "): " + bse);
|
|
mBackStack.add(bse);
|
|
if (bse.mIndex >= 0) {
|
|
setBackStackIndex(bse.mIndex, bse);
|
|
}
|
|
}
|
|
} else {
|
|
mBackStack = null;
|
|
}
|
|
}
|
|
|
|
public void attachActivity(SupportActivity activity) {
|
|
if (mActivity != null) throw new IllegalStateException();
|
|
mActivity = activity;
|
|
}
|
|
|
|
public void noteStateNotSaved() {
|
|
mStateSaved = false;
|
|
}
|
|
|
|
public void dispatchCreate() {
|
|
mStateSaved = false;
|
|
moveToState(Fragment.CREATED, false);
|
|
}
|
|
|
|
public void dispatchActivityCreated() {
|
|
mStateSaved = false;
|
|
moveToState(Fragment.ACTIVITY_CREATED, false);
|
|
}
|
|
|
|
public void dispatchStart() {
|
|
mStateSaved = false;
|
|
moveToState(Fragment.STARTED, false);
|
|
}
|
|
|
|
public void dispatchResume() {
|
|
mStateSaved = false;
|
|
moveToState(Fragment.RESUMED, false);
|
|
}
|
|
|
|
public void dispatchPause() {
|
|
moveToState(Fragment.STARTED, false);
|
|
}
|
|
|
|
public void dispatchStop() {
|
|
// See saveAllState() for the explanation of this. We do this for
|
|
// all platform versions, to keep our behavior more consistent between
|
|
// them.
|
|
mStateSaved = true;
|
|
|
|
moveToState(Fragment.STOPPED, false);
|
|
}
|
|
|
|
public void dispatchReallyStop() {
|
|
moveToState(Fragment.ACTIVITY_CREATED, false);
|
|
}
|
|
|
|
public void dispatchDestroy() {
|
|
mDestroyed = true;
|
|
execPendingActions();
|
|
moveToState(Fragment.INITIALIZING, false);
|
|
mActivity = null;
|
|
}
|
|
|
|
public void dispatchConfigurationChanged(Configuration newConfig) {
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null) {
|
|
f.onConfigurationChanged(newConfig);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void dispatchLowMemory() {
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null) {
|
|
f.onLowMemory();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater) {
|
|
boolean show = false;
|
|
ArrayList<Fragment> newMenus = null;
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
|
|
show = true;
|
|
f.onCreateOptionsMenu(menu, inflater);
|
|
if (newMenus == null) {
|
|
newMenus = new ArrayList<Fragment>();
|
|
}
|
|
newMenus.add(f);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mCreatedMenus != null) {
|
|
for (int i=0; i<mCreatedMenus.size(); i++) {
|
|
Fragment f = mCreatedMenus.get(i);
|
|
if (newMenus == null || !newMenus.contains(f)) {
|
|
f.onDestroyOptionsMenu();
|
|
}
|
|
}
|
|
}
|
|
|
|
mCreatedMenus = newMenus;
|
|
|
|
return show;
|
|
}
|
|
|
|
public boolean dispatchPrepareOptionsMenu(Menu menu) {
|
|
boolean show = false;
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
|
|
show = true;
|
|
f.onPrepareOptionsMenu(menu);
|
|
}
|
|
}
|
|
}
|
|
return show;
|
|
}
|
|
|
|
public boolean dispatchOptionsItemSelected(MenuItem item) {
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
|
|
if (f.onOptionsItemSelected(item)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public boolean dispatchContextItemSelected(MenuItem item) {
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && !f.mHidden && f.mMenuVisible) {
|
|
if (f.onContextItemSelected(item)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public void dispatchOptionsMenuClosed(Menu menu) {
|
|
if (mActive != null) {
|
|
for (int i=0; i<mAdded.size(); i++) {
|
|
Fragment f = mAdded.get(i);
|
|
if (f != null && !f.mHidden && f.mHasMenu && f.mMenuVisible) {
|
|
f.onOptionsMenuClosed(menu);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public static int reverseTransit(int transit) {
|
|
int rev = 0;
|
|
switch (transit) {
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_OPEN:
|
|
rev = FragmentTransaction.TRANSIT_FRAGMENT_CLOSE;
|
|
break;
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE:
|
|
rev = FragmentTransaction.TRANSIT_FRAGMENT_OPEN;
|
|
break;
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_FADE:
|
|
rev = FragmentTransaction.TRANSIT_FRAGMENT_FADE;
|
|
break;
|
|
}
|
|
return rev;
|
|
|
|
}
|
|
|
|
public static final int ANIM_STYLE_OPEN_ENTER = 1;
|
|
public static final int ANIM_STYLE_OPEN_EXIT = 2;
|
|
public static final int ANIM_STYLE_CLOSE_ENTER = 3;
|
|
public static final int ANIM_STYLE_CLOSE_EXIT = 4;
|
|
public static final int ANIM_STYLE_FADE_ENTER = 5;
|
|
public static final int ANIM_STYLE_FADE_EXIT = 6;
|
|
|
|
public static int transitToStyleIndex(int transit, boolean enter) {
|
|
int animAttr = -1;
|
|
switch (transit) {
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_OPEN:
|
|
animAttr = enter ? ANIM_STYLE_OPEN_ENTER : ANIM_STYLE_OPEN_EXIT;
|
|
break;
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_CLOSE:
|
|
animAttr = enter ? ANIM_STYLE_CLOSE_ENTER : ANIM_STYLE_CLOSE_EXIT;
|
|
break;
|
|
case FragmentTransaction.TRANSIT_FRAGMENT_FADE:
|
|
animAttr = enter ? ANIM_STYLE_FADE_ENTER : ANIM_STYLE_FADE_EXIT;
|
|
break;
|
|
}
|
|
return animAttr;
|
|
}
|
|
}
|