Fragment.java revision 9c53b844bd525e6a04e17291efc38713893074cd
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 19cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.app.Activity; 20cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.ComponentCallbacks; 21cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.Context; 22cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.Intent; 23cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Configuration; 24cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.content.res.Resources; 25cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Bundle; 26cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcel; 27cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.os.Parcelable; 28cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.support.v4.util.DebugUtils; 29cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.AttributeSet; 30cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.util.SparseArray; 31cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ContextMenu; 32cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.LayoutInflater; 33cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.Menu; 34cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuInflater; 35cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.MenuItem; 36cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View; 37cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ViewGroup; 38cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.ContextMenu.ContextMenuInfo; 39cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.View.OnCreateContextMenuListener; 40cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.view.animation.Animation; 41cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport android.widget.AdapterView; 42cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 43cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.FileDescriptor; 44cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.io.PrintWriter; 45cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornimport java.util.HashMap; 46cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 47cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornfinal class FragmentState implements Parcelable { 48cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final String mClassName; 49cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int mIndex; 50cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final boolean mFromLayout; 51cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int mFragmentId; 52cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final int mContainerId; 53cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final String mTag; 54cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final boolean mRetainInstance; 55e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean mDetached; 56cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final Bundle mArguments; 57cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 58cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mSavedFragmentState; 59cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 60cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment mInstance; 61cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 62cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentState(Fragment frag) { 63cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mClassName = frag.getClass().getName(); 64cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mIndex = frag.mIndex; 65cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mFromLayout = frag.mFromLayout; 66cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mFragmentId = frag.mFragmentId; 67cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mContainerId = frag.mContainerId; 68cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTag = frag.mTag; 69cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mRetainInstance = frag.mRetainInstance; 70e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mDetached = frag.mDetached; 71cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mArguments = frag.mArguments; 72cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 73cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 74cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentState(Parcel in) { 75cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mClassName = in.readString(); 76cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mIndex = in.readInt(); 77cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mFromLayout = in.readInt() != 0; 78cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mFragmentId = in.readInt(); 79cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mContainerId = in.readInt(); 80cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTag = in.readString(); 81cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mRetainInstance = in.readInt() != 0; 82e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mDetached = in.readInt() != 0; 83cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mArguments = in.readBundle(); 84cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mSavedFragmentState = in.readBundle(); 85cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 86cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 87cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment instantiate(FragmentActivity activity) { 88cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mInstance != null) { 89cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mInstance; 90cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 91cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 92cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mArguments != null) { 93cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mArguments.setClassLoader(activity.getClassLoader()); 94cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 95cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 96cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance = Fragment.instantiate(activity, mClassName, mArguments); 97cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 98cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mSavedFragmentState != null) { 99cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mSavedFragmentState.setClassLoader(activity.getClassLoader()); 100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mSavedFragmentState = mSavedFragmentState; 101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.setIndex(mIndex); 103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mFromLayout = mFromLayout; 104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mRestored = true; 105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mFragmentId = mFragmentId; 106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mContainerId = mContainerId; 107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mTag = mTag; 108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mRetainInstance = mRetainInstance; 109e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn mInstance.mDetached = mDetached; 110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInstance.mFragmentManager = activity.mFragments; 111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mInstance; 113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public int describeContents() { 116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return 0; 117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void writeToParcel(Parcel dest, int flags) { 120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeString(mClassName); 121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeInt(mIndex); 122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeInt(mFromLayout ? 1 : 0); 123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeInt(mFragmentId); 124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeInt(mContainerId); 125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeString(mTag); 126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeInt(mRetainInstance ? 1 : 0); 127e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn dest.writeInt(mDetached ? 1 : 0); 128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeBundle(mArguments); 129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn dest.writeBundle(mSavedFragmentState); 130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static final Parcelable.Creator<FragmentState> CREATOR 133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn = new Parcelable.Creator<FragmentState>() { 134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentState createFromParcel(Parcel in) { 135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentState(in); 136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public FragmentState[] newArray(int size) { 139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return new FragmentState[size]; 140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn }; 142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn/** 145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Static library support version of the framework's {@link android.app.Fragment}. 146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Used to write apps that run on platforms prior to Android 3.0. When running 147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on Android 3.0 or above, this implementation is still used; it does not try 148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to switch to the framework's implementation. See the framework SDK 149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * documentation for a class overview. 150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackbornpublic class Fragment implements ComponentCallbacks, OnCreateContextMenuListener { 152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn private static final HashMap<String, Class<?>> sClassMap = 153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn new HashMap<String, Class<?>>(); 154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final int INITIALIZING = 0; // Not yet created. 156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final int CREATED = 1; // Created. 157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static final int ACTIVITY_CREATED = 2; // The activity has finished its creation. 158e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn static final int STOPPED = 3; // Fully created, not started. 159e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn static final int STARTED = 4; // Created and started, not resumed. 160e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn static final int RESUMED = 5; // Created started and resumed. 161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mState = INITIALIZING; 163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Non-null if the fragment's view hierarchy is currently animating away, 165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // meaning we need to wait a bit on completely destroying it. This is the 166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // view that is animating. 167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View mAnimatingAway; 168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If mAnimatingAway != null, this is the state we should move to once the 170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // animation is done. 171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mStateAfterAnimating; 172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // When instantiated from saved state, this is the saved state. 174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mSavedFragmentState; 175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn SparseArray<Parcelable> mSavedViewState; 176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Index into active fragment array. 178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mIndex = -1; 179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Internal unique name for this fragment; 181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mWho; 182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Construction arguments; 184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle mArguments; 185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Target fragment. 187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment mTarget; 188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Target request code. 190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mTargetRequestCode; 191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // True if the fragment is in the list of added fragments. 193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mAdded; 194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If set this fragment is being removed from its activity. 196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mRemoving; 197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // True if the fragment is in the resumed state. 199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mResumed; 200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Set to true if this fragment was instantiated from a layout file. 202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mFromLayout; 203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Set to true when the view has actually been inflated in its layout. 205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mInLayout; 206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // True if this fragment has been restored from previously saved state. 208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mRestored; 209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Number of active back stack entries this fragment is in. 211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mBackStackNesting; 212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The fragment manager we are associated with. Set as soon as the 214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // fragment is used in a transaction; cleared after it has been removed 215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from all transactions. 216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentManager mFragmentManager; 217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Set as soon as a fragment is added to a transaction (or removed), 219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // to be able to do validation. 220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mImmediateActivity; 221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 222cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Activity this fragment is attached to. 223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn FragmentActivity mActivity; 224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The optional identifier for this fragment -- either the container ID if it 226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // was dynamically added to the view hierarchy, or the ID supplied in 227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // layout. 228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mFragmentId; 229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // When a fragment is being dynamically added to the view hierarchy, this 231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // is the identifier of the parent container it is being added to. 232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mContainerId; 233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The optional named tag for this fragment -- usually used to find 235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // fragments that are not part of the layout. 236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn String mTag; 237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Set to true when the app has requested that this fragment be hidden 239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // from the user. 240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mHidden; 241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 242e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn // Set to true when the app has requested that this fragment be deactivated. 243e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn boolean mDetached; 244e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If set this fragment would like its instance retained across 246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // configuration changes. 247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mRetainInstance; 248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If set this fragment is being retained across the current config change. 250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mRetaining; 251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If set this fragment has menu items to contribute. 253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mHasMenu; 254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Used to verify that subclasses call through to super class. 256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mCalled; 257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // If app has requested a specific animation, this is the one to use. 259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn int mNextAnim; 260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The parent container of the fragment after dynamically added to UI. 262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn ViewGroup mContainer; 263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The View generated for this fragment. 265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View mView; 266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // The real inner view that will save/restore state. 268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn View mInnerView; 269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn LoaderManagerImpl mLoaderManager; 271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mLoadersStarted; 272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn boolean mCheckedForLoaderManager; 273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 2755c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * State information that has been retrieved from a fragment instance 2765c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * through {@link FragmentManager#saveFragmentInstanceState(Fragment) 2775c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * FragmentManager.saveFragmentInstanceState}. 2785c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 2795c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public static class SavedState implements Parcelable { 2805c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn final Bundle mState; 2815c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2825c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn SavedState(Bundle state) { 2835c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mState = state; 2845c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 2855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn SavedState(Parcel in, ClassLoader loader) { 2875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mState = in.readBundle(); 2885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (loader != null && mState != null) { 2895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mState.setClassLoader(loader); 2905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 2915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 2925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2935c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 2945c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public int describeContents() { 2955c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return 0; 2965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 2975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 2985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn @Override 2995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public void writeToParcel(Parcel dest, int flags) { 3005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn dest.writeBundle(mState); 3015c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 3025c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3035c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public static final Parcelable.Creator<SavedState> CREATOR 3045c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn = new Parcelable.Creator<SavedState>() { 3055c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public SavedState createFromParcel(Parcel in) { 3065c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return new SavedState(in, null); 3075c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 3085c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3095c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public SavedState[] newArray(int size) { 3105c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn return new SavedState[size]; 3115c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 3125c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn }; 3135c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 3145c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 3155c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 316cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Thrown by {@link Fragment#instantiate(Context, String, Bundle)} when 317cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * there is an instantiation failure. 318cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 319cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn static public class InstantiationException extends RuntimeException { 320cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public InstantiationException(String msg, Exception cause) { 321cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn super(msg, cause); 322cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 323cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 324cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 325cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 326cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Default constructor. <strong>Every</strong> fragment must have an 327cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * empty constructor, so it can be instantiated when restoring its 328cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity's state. It is strongly recommended that subclasses do not 329cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * have other constructors with parameters, since these constructors 330cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will not be called when the fragment is re-instantiated; instead, 331cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * arguments can be supplied by the caller with {@link #setArguments} 332cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and later retrieved by the Fragment with {@link #getArguments}. 333cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 334cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Applications should generally not implement a constructor. The 335cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * first place application code an run where the fragment is ready to 336cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be used is in {@link #onAttach(Activity)}, the point where the fragment 337cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is actually associated with its activity. Some applications may also 338cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * want to implement {@link #onInflate} to retrieve attributes from a 339cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * layout resource, though should take care here because this happens for 340cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the fragment is attached to its activity. 341cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 342cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public Fragment() { 343cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 344cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 345cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 346cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Like {@link #instantiate(Context, String, Bundle)} but with a null 347cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * argument Bundle. 348cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 349cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static Fragment instantiate(Context context, String fname) { 350cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return instantiate(context, fname, null); 351cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 352cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 353cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 354cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Create a new instance of a Fragment with the given class name. This is 355cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the same as calling its empty constructor. 356cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 357cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param context The calling context being used to instantiate the fragment. 358cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is currently just used to get its ClassLoader. 359cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fname The class name of the fragment to instantiate. 360cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args Bundle of arguments to supply to the fragment, which it 361cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can retrieve with {@link #getArguments()}. May be null. 362cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Returns a new fragment instance. 363cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @throws InstantiationException If there is a failure in instantiating 364cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the given fragment class. This is a runtime exception; it is not 365cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * normally expected to happen. 366cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 367cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public static Fragment instantiate(Context context, String fname, Bundle args) { 368cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn try { 369cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Class<?> clazz = sClassMap.get(fname); 370cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (clazz == null) { 371cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // Class not found in the cache, see if it's real, and try to add it 372cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn clazz = context.getClassLoader().loadClass(fname); 373cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sClassMap.put(fname, clazz); 374cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 375cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Fragment f = (Fragment)clazz.newInstance(); 376cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (args != null) { 377cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn args.setClassLoader(f.getClass().getClassLoader()); 378cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn f.mArguments = args; 379cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 380cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return f; 381cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } catch (ClassNotFoundException e) { 382cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new InstantiationException("Unable to instantiate fragment " + fname 383cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": make sure class name exists, is public, and has an" 384cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " empty constructor that is public", e); 385cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } catch (java.lang.InstantiationException e) { 386cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new InstantiationException("Unable to instantiate fragment " + fname 387cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": make sure class name exists, is public, and has an" 388cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " empty constructor that is public", e); 389cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } catch (IllegalAccessException e) { 390cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new InstantiationException("Unable to instantiate fragment " + fname 391cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + ": make sure class name exists, is public, and has an" 392cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn + " empty constructor that is public", e); 393cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 394cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 395cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 396e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final void restoreViewState() { 397cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mSavedViewState != null) { 398cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mInnerView.restoreHierarchyState(mSavedViewState); 399cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mSavedViewState = null; 400cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 401cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 402cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 403e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final void setIndex(int index) { 404cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mIndex = index; 405cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mWho = "android:fragment:" + mIndex; 406e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 407cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 408e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn final boolean isInBackStack() { 409e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn return mBackStackNesting > 0; 410e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 411e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 412cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 413cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Subclasses can not override equals(). 414cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 415cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override final public boolean equals(Object o) { 416cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return super.equals(o); 417cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 418cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 419cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 420cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Subclasses can not override hashCode(). 421cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 422cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override final public int hashCode() { 423cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return super.hashCode(); 424cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 425cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 426cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn @Override 427cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public String toString() { 428cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn StringBuilder sb = new StringBuilder(128); 429cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn DebugUtils.buildShortClassTag(this, sb); 430cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mIndex >= 0) { 431cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" #"); 432cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(mIndex); 433cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 434cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mFragmentId != 0) { 435cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" id=0x"); 436cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(Integer.toHexString(mFragmentId)); 437cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 438cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTag != null) { 439cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(" "); 440cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append(mTag); 441cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 442cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn sb.append('}'); 443cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return sb.toString(); 444cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 445cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 446cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 447cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the identifier this fragment is known by. This is either 448cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the android:id value supplied in a layout or the container view ID 449cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * supplied when adding the fragment. 450cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 451cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public int getId() { 452cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mFragmentId; 453cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 454cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 455cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 456cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Get the tag name of the fragment, if specified. 457cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 458cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public String getTag() { 459cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mTag; 460cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 461cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 462cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 463cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Supply the construction arguments for this fragment. This can only 464cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be called before the fragment has been attached to its activity; that 465cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is, you should call it immediately after constructing the fragment. The 466cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * arguments supplied here will be retained across fragment destroy and 467cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * creation. 468cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 469cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setArguments(Bundle args) { 470cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mIndex >= 0) { 471cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment already active"); 472cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 473cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mArguments = args; 474cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 475cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 476cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 477cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the arguments supplied when the fragment was instantiated, 478cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * if any. 479cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 480cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public Bundle getArguments() { 481cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mArguments; 482cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 483cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 484cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 4855c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * Set the initial saved state that this Fragment should restore itself 4865c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * from when first being constructed, as returned by 4875c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * {@link FragmentManager#saveFragmentInstanceState(Fragment) 4885c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * FragmentManager.saveFragmentInstanceState}. 4895c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * 4905c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn * @param state The state the fragment should be restored from. 4915c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn */ 4925c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn public void setInitialSavedState(SavedState state) { 4935c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn if (mIndex >= 0) { 4945c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn throw new IllegalStateException("Fragment already active"); 4955c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 4965c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn mSavedFragmentState = state != null && state.mState != null 4975c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn ? state.mState : null; 4985c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn } 4995c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn 5005c1637087453de15e31861f073eae5133c4e9f7bDianne Hackborn /** 501cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Optional target for this fragment. This may be used, for example, 502cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * if this fragment is being started by another, and when done wants to 503cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * give a result back to the first. The target set here is retained 504cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * across instances via {@link FragmentManager#putFragment 505cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * FragmentManager.putFragment()}. 506cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 507cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fragment The fragment that is the target of this one. 508cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param requestCode Optional request code, for convenience if you 509cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * are going to call back with {@link #onActivityResult(int, int, Intent)}. 510cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 511cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setTargetFragment(Fragment fragment, int requestCode) { 512cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTarget = fragment; 513cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mTargetRequestCode = requestCode; 514cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 515cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 516cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 517cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the target fragment set by {@link #setTargetFragment}. 518cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 519cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public Fragment getTargetFragment() { 520cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mTarget; 521cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 522cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 523cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 524cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the target request code set by {@link #setTargetFragment}. 525cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 526cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public int getTargetRequestCode() { 527cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mTargetRequestCode; 528cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 529cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 530cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 531cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the Activity this fragment is currently associated with. 532cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 533cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public FragmentActivity getActivity() { 534cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mActivity; 535cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 536cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 537cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 538cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return <code>getActivity().getResources()</code>. 539cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 540cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public Resources getResources() { 541cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 542cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + this + " not attached to Activity"); 543cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 544cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mActivity.getResources(); 545cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 546cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 547cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 548cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return a localized, styled CharSequence from the application's package's 549cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * default string table. 550cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 551cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param resId Resource id for the CharSequence text 552cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 553cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public final CharSequence getText(int resId) { 554cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return getResources().getText(resId); 555cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 556cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 557cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 558cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return a localized string from the application's package's 559cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * default string table. 560cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 561cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param resId Resource id for the string 562cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 563cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public final String getString(int resId) { 564cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return getResources().getString(resId); 565cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 566cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 567cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 568cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return a localized formatted string from the application's package's 569cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * default string table, substituting the format arguments as defined in 570cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link java.util.Formatter} and {@link java.lang.String#format}. 571cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 572cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param resId Resource id for the format string 573cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param formatArgs The format arguments that will be used for substitution. 574cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 575cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 576cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public final String getString(int resId, Object... formatArgs) { 577cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return getResources().getString(resId, formatArgs); 578cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 579cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 580cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 581cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the FragmentManager for interacting with fragments associated 582cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * with this fragment's activity. Note that this will be non-null slightly 583cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * before {@link #getActivity()}, during the time from when the fragment is 584cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * placed in a {@link FragmentTransaction} until it is committed and 585cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * attached to its activity. 586cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 587cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public FragmentManager getFragmentManager() { 588cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mFragmentManager; 589cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 590cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 591cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 592cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if the fragment is currently added to its activity. 593cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 594cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isAdded() { 595cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mActivity != null && mAdded; 596cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 597cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 598cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 5999c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * Return true if the fragment has been explicitly detached from the UI. 6009c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * That is, {@link FragmentTransaction#detach(Fragment) 6019c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * FragmentTransaction.detach(Fragment)} has been used on it. 6029c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn */ 6039c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn final public boolean isDetached() { 6049c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn return mDetached; 6059c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 6069c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn 6079c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn /** 608cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if this fragment is currently being removed from its 609cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * activity. This is <em>not</em> whether its activity is finishing, but 610cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * rather whether it is in the process of being removed from its activity. 611cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 612cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isRemoving() { 613cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mRemoving; 614cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 615cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 616cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 617cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if the layout is included as part of an activity view 618cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * hierarchy via the <fragment> tag. This will always be true when 619cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * fragments are created through the <fragment> tag, <em>except</em> 620cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the case where an old fragment is restored from a previous state and 621cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * it does not appear in the layout of the current state. 622cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 623cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isInLayout() { 624cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mInLayout; 625cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 626cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 627cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 628cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if the fragment is in the resumed state. This is true 629cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * for the duration of {@link #onResume()} and {@link #onPause()} as well. 630cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 631cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isResumed() { 632cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mResumed; 633cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 634cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 635cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 636cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if the fragment is currently visible to the user. This means 637cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * it: (1) has been added, (2) has its view attached to the window, and 638cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (3) is not hidden. 639cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 640cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isVisible() { 641cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return isAdded() && !isHidden() && mView != null 642cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn && mView.getWindowToken() != null && mView.getVisibility() == View.VISIBLE; 643cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 644cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 645cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 646cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return true if the fragment has been hidden. By default fragments 647cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * are shown. You can find out about changes to this state with 648cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onHiddenChanged}. Note that the hidden state is orthogonal 649cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to other states -- that is, to be visible to the user, a fragment 650cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * must be both started and not hidden. 651cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 652cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean isHidden() { 653cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mHidden; 654cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 655cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 656cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 657cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the hidden state (as returned by {@link #isHidden()} of 658cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the fragment has changed. Fragments start out not hidden; this will 659cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be called whenever the fragment changes state from that. 660cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param hidden True if the fragment is now hidden, false if it is not 661cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * visible. 662cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 663cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onHiddenChanged(boolean hidden) { 664cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 665cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 666cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 667cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Control whether a fragment instance is retained across Activity 668cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * re-creation (such as from a configuration change). This can only 669cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * be used with fragments not in the back stack. If set, the fragment 670cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * lifecycle will be slightly different when an activity is recreated: 671cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <ul> 672cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <li> {@link #onDestroy()} will not be called (but {@link #onDetach()} still 673cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * will be, because the fragment is being detached from its current activity). 674cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <li> {@link #onCreate(Bundle)} will not be called since the fragment 675cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is not being re-created. 676cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <li> {@link #onAttach(Activity)} and {@link #onActivityCreated(Bundle)} <b>will</b> 677cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * still be called. 678cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * </ul> 679cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 680cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setRetainInstance(boolean retain) { 681cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mRetainInstance = retain; 682cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 683cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 684cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn final public boolean getRetainInstance() { 685cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mRetainInstance; 686cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 687cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 688cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 689cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Report that this fragment would like to participate in populating 690cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the options menu by receiving a call to {@link #onCreateOptionsMenu} 691cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and related methods. 692cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 693cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param hasMenu If true, the fragment has menu items to contribute. 694cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 695cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void setHasOptionsMenu(boolean hasMenu) { 696cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mHasMenu != hasMenu) { 697cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mHasMenu = hasMenu; 698cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (isAdded() && !isHidden()) { 699681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn mActivity.supportInvalidateOptionsMenu(); 700cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 701cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 702cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 703cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 704cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 705cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Return the LoaderManager for this fragment, creating it if needed. 706cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 707cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public LoaderManager getLoaderManager() { 708cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoaderManager != null) { 709cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mLoaderManager; 710cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 711cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 712cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + this + " not attached to Activity"); 713cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 714cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCheckedForLoaderManager = true; 715cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager = mActivity.getLoaderManager(mIndex, mLoadersStarted, true); 716cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mLoaderManager; 717cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 718cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 719cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 720cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Call {@link Activity#startActivity(Intent)} on the fragment's 721cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * containing Activity. 722cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 723cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void startActivity(Intent intent) { 724cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 725cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + this + " not attached to Activity"); 726cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 727cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.startActivityFromFragment(this, intent, -1); 728cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 729cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 730cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 731cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Call {@link Activity#startActivityForResult(Intent, int)} on the fragment's 732cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * containing Activity. 733cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 734cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void startActivityForResult(Intent intent, int requestCode) { 735cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity == null) { 736cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn throw new IllegalStateException("Fragment " + this + " not attached to Activity"); 737cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 738cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mActivity.startActivityFromFragment(this, intent, requestCode); 739cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 740cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 741cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 742cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Receive the result from a previous call to 743cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #startActivityForResult(Intent, int)}. This follows the 744cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * related Activity API as described there in 745cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link Activity#onActivityResult(int, int, Intent)}. 746cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 747cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param requestCode The integer request code originally supplied to 748cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * startActivityForResult(), allowing you to identify who this 749cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * result came from. 750cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param resultCode The integer result code returned by the child activity 751cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * through its setResult(). 752cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param data An Intent, which can return result data to the caller 753cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * (various data can be attached to Intent "extras"). 754cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 755cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onActivityResult(int requestCode, int resultCode, Intent data) { 756cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 757cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 758cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 759cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @hide Hack so that DialogFragment can make its Dialog before creating 760cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * its views, and the view construction can use the dialog's context for 761cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inflation. Maybe this should become a public API. Note sure. 762cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 763cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public LayoutInflater getLayoutInflater(Bundle savedInstanceState) { 764cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mActivity.getLayoutInflater(); 765cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 766cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 767cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 768cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when a fragment is being created as part of a view layout 769cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * inflation, typically from setting the content view of an activity. This 7709277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * may be called immediately after the fragment is created from a <fragment> 771cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * tag in a layout file. Note this is <em>before</em> the fragment's 772cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onAttach(Activity)} has been called; all you should do here is 7739277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * parse the attributes and save them away. 774cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 775cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>This is called every time the fragment is inflated, even if it is 7769277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * being inflated into a new instance with saved state. It typically makes 7779277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * sense to re-parse the parameters each time, to allow them to change with 7789277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * different configurations.</p> 7799277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7809277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * <p>Here is a typical implementation of a fragment that can take parameters 7819277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * both through attributes supplied here as well from {@link #getArguments()}:</p> 7829277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7839277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentArguments.java 7849277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * fragment} 7859277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7869277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * <p>Note that parsing the XML attributes uses a "styleable" resource. The 7879277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * declaration for the styleable used here is:</p> 7889277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7899277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * {@sample development/samples/ApiDemos/res/values/attrs.xml fragment_arguments} 790cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 7919277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * <p>The fragment can then be declared within its activity's content layout 7929277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * through a tag like this:</p> 7939277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7949277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * {@sample development/samples/ApiDemos/res/layout/fragment_arguments.xml from_attributes} 7959277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 7969277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * <p>This fragment can also be created dynamically from arguments given 7979277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * at runtime in the arguments Bundle; here is an example of doing so at 7989277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * creation of the containing activity:</p> 7999277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 8009277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentArguments.java 8019277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * create} 8029277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * 8039277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn * @param activity The Activity that is inflating this fragment. 804cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param attrs The attributes at the tag where the fragment is 805cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * being created. 806cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param savedInstanceState If the fragment is being re-created from 807cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a previous saved state, this is the state. 808cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 8099277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public void onInflate(Activity activity, AttributeSet attrs, Bundle savedInstanceState) { 810cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 811cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 812cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 813cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 814cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when a fragment is first attached to its activity. 815cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onCreate(Bundle)} will be called after this. 816cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 817cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onAttach(Activity activity) { 818cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 819cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 820cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 821cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 822cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when a fragment loads an animation. 823cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 8249277b9e4419c1f0b5236d9b573a7cc0b23d56402Dianne Hackborn public Animation onCreateAnimation(int transit, boolean enter, int nextAnim) { 825cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 826cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 827cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 828cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 829cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called to do initial creation of a fragment. This is called after 830cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onAttach(Activity)} and before 831cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)}. 832cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 833cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Note that this can be called while the fragment's activity is 834cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * still in the process of being created. As such, you can not rely 835cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * on things like the activity's content view hierarchy being initialized 836cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * at this point. If you want to do work once the activity itself is 837cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * created, see {@link #onActivityCreated(Bundle)}. 838cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 839cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param savedInstanceState If the fragment is being re-created from 840cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a previous saved state, this is the state. 841cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 842cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onCreate(Bundle savedInstanceState) { 843cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 844cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 845cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 846cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 847cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called to have the fragment instantiate its user interface view. 848cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is optional, and non-graphical fragments can return null (which 849cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is the default implementation). This will be called between 850cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onCreate(Bundle)} and {@link #onActivityCreated(Bundle)}. 851cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 852cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>If you return a View from here, you will later be called in 853cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onDestroyView} when the view is being released. 854cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 855cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param inflater The LayoutInflater object that can be used to inflate 856cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * any views in the fragment, 857cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param container If non-null, this is the parent view that the fragment's 858cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * UI should be attached to. The fragment should not add the view itself, 859cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * but this can be used to generate the LayoutParams of the view. 860cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param savedInstanceState If non-null, this fragment is being re-constructed 861cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * from a previous saved state as given here. 862cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 863cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return Return the View for the fragment's UI, or null. 864cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 865cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public View onCreateView(LayoutInflater inflater, ViewGroup container, 866cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn Bundle savedInstanceState) { 867cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return null; 868cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 869cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 870cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 871e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * Called immediately after {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} 872e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * has returned, but before any saved state has been restored in to the view. 873e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * This gives subclasses a chance to initialize themselves once 874e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * they know their view hierarchy has been completely created. The fragment's 875e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * view hierarchy is not however attached to its parent at this point. 876e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * @param view The View returned by {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)}. 877e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * @param savedInstanceState If non-null, this fragment is being re-constructed 878e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn * from a previous saved state as given here. 879e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn */ 880e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn public void onViewCreated(View view, Bundle savedInstanceState) { 881e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn } 882e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn 883e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn /** 884cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Get the root view for the fragment's layout (the one returned by {@link #onCreateView}), 885cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * if provided. 886cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 887cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return The fragment's root view, or null if it has no layout. 888cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 889cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public View getView() { 890cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return mView; 891cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 892cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 893cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 894cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the fragment's activity has been created and this 895cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * fragment's view hierarchy instantiated. It can be used to do final 896cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * initialization once these pieces are in place, such as retrieving 897cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * views or restoring state. It is also useful for fragments that use 898cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #setRetainInstance(boolean)} to retain their instance, 899cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * as this callback tells the fragment when it is fully associated with 900cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the new activity instance. This is called after {@link #onCreateView} 901cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * and before {@link #onStart()}. 902cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 903cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param savedInstanceState If the fragment is being re-created from 904cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * a previous saved state, this is the state. 905cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 906cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onActivityCreated(Bundle savedInstanceState) { 907cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 908cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 909cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 910cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 911cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the Fragment is visible to the user. This is generally 912cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * tied to {@link Activity#onStart() Activity.onStart} of the containing 913cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Activity's lifecycle. 914cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 915cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onStart() { 916cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 917cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 918cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mLoadersStarted) { 919cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoadersStarted = true; 920cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mCheckedForLoaderManager) { 921cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCheckedForLoaderManager = true; 922cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager = mActivity.getLoaderManager(mIndex, mLoadersStarted, false); 923cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 924cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoaderManager != null) { 925cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager.doStart(); 926cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 927cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 928cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 929cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 930cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 931cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the fragment is visible to the user and actively running. 932cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This is generally 933cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * tied to {@link Activity#onResume() Activity.onResume} of the containing 934cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Activity's lifecycle. 935cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 936cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onResume() { 937cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 938cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 939cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 940cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 941cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called to ask the fragment to save its current dynamic state, so it 942cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can later be reconstructed in a new instance of its process is 943cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * restarted. If a new instance of the fragment later needs to be 944cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * created, the data you place in the Bundle here will be available 945cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * in the Bundle given to {@link #onCreate(Bundle)}, 946cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)}, and 947cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onActivityCreated(Bundle)}. 948cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 949cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>This corresponds to {@link Activity#onSaveInstanceState(Bundle) 950cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Activity.onSaveInstanceState(Bundle)} and most of the discussion there 951cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * applies here as well. Note however: <em>this method may be called 952cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * at any time before {@link #onDestroy()}</em>. There are many situations 953cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * where a fragment may be mostly torn down (such as when placed on the 954cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * back stack with no UI showing), but its state will not be saved until 955cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * its owning activity actually needs to save its state. 956cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 957cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param outState Bundle in which to place your saved state. 958cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 959cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onSaveInstanceState(Bundle outState) { 960cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 961cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 962cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onConfigurationChanged(Configuration newConfig) { 963cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 964cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 965cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 966cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 967cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the Fragment is no longer resumed. This is generally 968cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * tied to {@link Activity#onPause() Activity.onPause} of the containing 969cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Activity's lifecycle. 970cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 971cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onPause() { 972cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 973cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 974cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 975cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 976cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the Fragment is no longer started. This is generally 977cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * tied to {@link Activity#onStop() Activity.onStop} of the containing 978cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Activity's lifecycle. 979cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 980cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onStop() { 981cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 982cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 983cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 984cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onLowMemory() { 985cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 986cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 987cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 988cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 989cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the view previously created by {@link #onCreateView} has 990cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * been detached from the fragment. The next time the fragment needs 991cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to be displayed, a new view will be created. This is called 992cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link #onStop()} and before {@link #onDestroy()}. It is called 993cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <em>regardless</em> of whether {@link #onCreateView} returned a 994cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * non-null view. Internally it is called after the view's state has 995cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * been saved but before it has been removed from its parent. 996cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 997cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onDestroyView() { 998cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 999cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1000cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1001cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1002cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the fragment is no longer in use. This is called 1003cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * after {@link #onStop()} and before {@link #onDetach()}. 1004cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1005cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onDestroy() { 1006cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 1007cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn //Log.v("foo", "onDestroy: mCheckedForLoaderManager=" + mCheckedForLoaderManager 1008cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn // + " mLoaderManager=" + mLoaderManager); 1009cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mCheckedForLoaderManager) { 1010cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCheckedForLoaderManager = true; 1011cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager = mActivity.getLoaderManager(mIndex, mLoadersStarted, false); 1012cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1013cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoaderManager != null) { 1014cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager.doDestroy(); 1015cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1016cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1017cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1018cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 10199c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * Called by the fragment manager once this fragment has been removed, 10209c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * so that we don't have any left-over state if the application decides 10219c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * to re-use the instance. This only clears state that the framework 10229c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn * internally manages, not things the application sets. 10239c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn */ 10249c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn void initState() { 10259c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mIndex = -1; 10269c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mWho = null; 10279c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mAdded = false; 10289c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mRemoving = false; 10299c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mResumed = false; 10309c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mFromLayout = false; 10319c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mInLayout = false; 10329c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mRestored = false; 10339c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mBackStackNesting = 0; 10349c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mFragmentManager = null; 10359c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mActivity = mImmediateActivity = null; 10369c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mFragmentId = 0; 10379c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mContainerId = 0; 10389c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mTag = null; 10399c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mHidden = false; 10409c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mDetached = false; 10419c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mRetaining = false; 10429c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mLoaderManager = null; 10439c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mLoadersStarted = false; 10449c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mCheckedForLoaderManager = false; 10459c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 10469c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn 10479c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn /** 1048cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when the fragment is no longer attached to its activity. This 1049cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * is called after {@link #onDestroy()}. 1050cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1051cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onDetach() { 1052cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCalled = true; 1053cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1054cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1055cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1056cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Initialize the contents of the Activity's standard options menu. You 1057cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * should place your menu items in to <var>menu</var>. For this method 1058cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * to be called, you must have first called {@link #setHasOptionsMenu}. See 1059cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link Activity#onCreateOptionsMenu(Menu) Activity.onCreateOptionsMenu} 1060cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * for more information. 1061cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1062cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param menu The options menu in which you place your items. 1063cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1064cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #setHasOptionsMenu 1065cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #onPrepareOptionsMenu 1066cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #onOptionsItemSelected 1067cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1068cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { 1069cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1070cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1071cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1072cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Prepare the Screen's standard options menu to be displayed. This is 1073cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * called right before the menu is shown, every time it is shown. You can 1074cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * use this method to efficiently enable/disable items or otherwise 1075cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * dynamically modify the contents. See 1076cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link Activity#onPrepareOptionsMenu(Menu) Activity.onPrepareOptionsMenu} 1077cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * for more information. 1078cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1079cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param menu The options menu as last shown or first initialized by 1080cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * onCreateOptionsMenu(). 1081cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1082cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #setHasOptionsMenu 1083cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #onCreateOptionsMenu 1084cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1085cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onPrepareOptionsMenu(Menu menu) { 1086cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1087cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1088cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1089cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when this fragment's option menu items are no longer being 1090cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * included in the overall options menu. Receiving this call means that 1091cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the menu needed to be rebuilt, but this fragment's items were not 1092cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * included in the newly built menu (its {@link #onCreateOptionsMenu(Menu, MenuInflater)} 1093cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * was not called). 1094cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1095cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onDestroyOptionsMenu() { 1096cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1097cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1098cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1099cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This hook is called whenever an item in your options menu is selected. 1100cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The default implementation simply returns false to have the normal 1101cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * processing happen (calling the item's Runnable or sending a message to 1102cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * its Handler as appropriate). You can use this method for any items 1103cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * for which you would like to do processing without those other 1104cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * facilities. 1105cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1106cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p>Derived classes should call through to the base class for it to 1107cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * perform the default menu handling. 1108cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1109cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param item The menu item that was selected. 1110cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1111cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return boolean Return false to allow normal menu processing to 1112cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * proceed, true to consume it here. 1113cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1114cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #onCreateOptionsMenu 1115cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1116cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean onOptionsItemSelected(MenuItem item) { 1117cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1118cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1119cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1120cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1121cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This hook is called whenever the options menu is being closed (either by the user canceling 1122cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the menu with the back/menu button, or when an item is selected). 1123cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1124cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param menu The options menu as last shown or first initialized by 1125cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * onCreateOptionsMenu(). 1126cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1127cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onOptionsMenuClosed(Menu menu) { 1128cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1129cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1130cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1131cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Called when a context menu for the {@code view} is about to be shown. 1132cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Unlike {@link #onCreateOptionsMenu}, this will be called every 1133cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * time the context menu is about to be shown and should be populated for 1134cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the view (or item inside the view for {@link AdapterView} subclasses, 1135cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * this can be found in the {@code menuInfo})). 1136cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p> 1137cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Use {@link #onContextItemSelected(android.view.MenuItem)} to know when an 1138cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * item has been selected. 1139cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p> 1140cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * The default implementation calls up to 1141cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link Activity#onCreateContextMenu Activity.onCreateContextMenu}, though 1142cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * you can not call this implementation if you don't want that behavior. 1143cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p> 1144cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * It is not safe to hold onto the context menu after this method returns. 1145cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@inheritDoc} 1146cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1147cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { 1148cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn getActivity().onCreateContextMenu(menu, v, menuInfo); 1149cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1150cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1151cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1152cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Registers a context menu to be shown for the given view (multiple views 1153cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * can show the context menu). This method will set the 1154cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link OnCreateContextMenuListener} on the view to this fragment, so 1155cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * {@link #onCreateContextMenu(ContextMenu, View, ContextMenuInfo)} will be 1156cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * called when it is time to show the context menu. 1157cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1158cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #unregisterForContextMenu(View) 1159cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param view The view that should show a context menu. 1160cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1161cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void registerForContextMenu(View view) { 1162cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn view.setOnCreateContextMenuListener(this); 1163cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1164cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1165cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1166cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Prevents a context menu to be shown for the given view. This method will 1167cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * remove the {@link OnCreateContextMenuListener} on the view. 1168cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1169cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @see #registerForContextMenu(View) 1170cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param view The view that should stop showing a context menu. 1171cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1172cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void unregisterForContextMenu(View view) { 1173cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn view.setOnCreateContextMenuListener(null); 1174cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1175cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1176cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1177cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * This hook is called whenever an item in a context menu is selected. The 1178cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * default implementation simply returns false to have the normal processing 1179cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * happen (calling the item's Runnable or sending a message to its Handler 1180cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * as appropriate). You can use this method for any items for which you 1181cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * would like to do processing without those other facilities. 1182cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p> 1183cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Use {@link MenuItem#getMenuInfo()} to get extra information set by the 1184cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * View that added this menu item. 1185cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * <p> 1186cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Derived classes should call through to the base class for it to perform 1187cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * the default menu handling. 1188cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1189cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param item The context menu item that was selected. 1190cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @return boolean Return false to allow normal context menu processing to 1191cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * proceed, true to consume it here. 1192cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1193cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public boolean onContextItemSelected(MenuItem item) { 1194cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn return false; 1195cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1196cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 1197cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn /** 1198cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * Print the Fragments's state into the given stream. 1199cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * 1200cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param prefix Text to print at the front of each line. 1201cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param fd The raw file descriptor that the dump is being sent to. 1202cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param writer The PrintWriter to which you should dump your state. This will be 1203cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * closed for you after you return. 1204cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn * @param args additional arguments to the dump request. 1205cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn */ 1206cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn public void dump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) { 1207cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mFragmentId=#"); 1208cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(mFragmentId)); 1209cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mContainerId#="); 1210cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(Integer.toHexString(mContainerId)); 1211cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mTag="); writer.println(mTag); 1212cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mState="); writer.print(mState); 1213cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mIndex="); writer.print(mIndex); 1214cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mWho="); writer.print(mWho); 1215cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mBackStackNesting="); writer.println(mBackStackNesting); 1216cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAdded="); writer.print(mAdded); 1217cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mRemoving="); writer.print(mRemoving); 1218cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mResumed="); writer.print(mResumed); 1219cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mFromLayout="); writer.print(mFromLayout); 1220cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mInLayout="); writer.println(mInLayout); 1221cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mHidden="); writer.print(mHidden); 1222e4417c91a0bb2fba42a0aaa99edcca1b238af21aDianne Hackborn writer.print(" mDetached="); writer.print(mDetached); 1223cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mRetainInstance="); writer.print(mRetainInstance); 1224cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mRetaining="); writer.print(mRetaining); 1225cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mHasMenu="); writer.println(mHasMenu); 1226cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mFragmentManager != null) { 1227cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mFragmentManager="); 1228cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mFragmentManager); 1229cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1230cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mImmediateActivity != null) { 1231cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mImmediateActivity="); 1232cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mImmediateActivity); 1233cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1234cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mActivity != null) { 1235cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mActivity="); 1236cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mActivity); 1237cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1238cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mArguments != null) { 1239cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mArguments="); writer.println(mArguments); 1240cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1241cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mSavedFragmentState != null) { 1242cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mSavedFragmentState="); 1243cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mSavedFragmentState); 1244cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1245cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mSavedViewState != null) { 1246cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mSavedViewState="); 1247cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mSavedViewState); 1248cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1249cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mTarget != null) { 1250cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mTarget="); writer.print(mTarget); 1251cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(" mTargetRequestCode="); 1252cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mTargetRequestCode); 1253cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1254cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mNextAnim != 0) { 1255cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mNextAnim="); writer.println(mNextAnim); 1256cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1257cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mContainer != null) { 1258cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mContainer="); writer.println(mContainer); 1259cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1260cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mView != null) { 1261cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mView="); writer.println(mView); 1262cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1263cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mInnerView != null) { 1264cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mInnerView="); writer.println(mView); 1265cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1266cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mAnimatingAway != null) { 1267cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mAnimatingAway="); writer.println(mAnimatingAway); 1268cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.print("mStateAfterAnimating="); 1269cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.println(mStateAfterAnimating); 1270cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1271cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoaderManager != null) { 1272cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn writer.print(prefix); writer.println("Loader Manager:"); 1273cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager.dump(prefix + " ", fd, writer, args); 1274cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1275cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1276cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn 12779c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn void performStart() { 12789c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn onStart(); 12799c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn if (mLoaderManager != null) { 12809c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mLoaderManager.doReportStart(); 12819c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 12829c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 12839c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn 1284cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn void performStop() { 1285cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn onStop(); 1286681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn } 1287681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn 1288681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn void performReallyStop(boolean retaining) { 1289cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoadersStarted) { 1290cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoadersStarted = false; 1291cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (!mCheckedForLoaderManager) { 1292cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mCheckedForLoaderManager = true; 1293cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager = mActivity.getLoaderManager(mIndex, mLoadersStarted, false); 1294cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1295cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn if (mLoaderManager != null) { 1296681a6fb06bdedb8661a68a1b9e34727b6059aa39Dianne Hackborn if (!retaining) { 1297cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager.doStop(); 1298cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } else { 1299cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn mLoaderManager.doRetain(); 1300cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1301cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1302cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 1303cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn } 13049c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn 13059c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn void performDestroyView() { 13069c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn onDestroyView(); 13079c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn if (mLoaderManager != null) { 13089c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn mLoaderManager.doReportNextStart(); 13099c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 13109c53b844bd525e6a04e17291efc38713893074cdDianne Hackborn } 1311cba2e2c881e8e16ea5025b564c94320174d65f01Dianne Hackborn} 1312