DialogFragment.java revision 25193d330e7daaed1d4678609326c4f84bf3d584
1dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn/* 2dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * Copyright (C) 2010 The Android Open Source Project 3dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * 4dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * Licensed under the Apache License, Version 2.0 (the "License"); 5dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * you may not use this file except in compliance with the License. 6dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * You may obtain a copy of the License at 7dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * 8dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * http://www.apache.org/licenses/LICENSE-2.0 9dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * 10dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * Unless required by applicable law or agreed to in writing, software 11dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * distributed under the License is distributed on an "AS IS" BASIS, 12dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * See the License for the specific language governing permissions and 14dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * limitations under the License. 15dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 16dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 17dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornpackage android.app; 18dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 197187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackbornimport android.content.Context; 20dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.content.DialogInterface; 21dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.os.Bundle; 22dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.view.LayoutInflater; 23dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.view.View; 24dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.view.ViewGroup; 25dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.view.Window; 26dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornimport android.view.WindowManager; 27dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 28dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn/** 29dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * A fragment that displays a dialog window, floating on top of its 30dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * activity's window. This fragment contains a Dialog object, which it 31dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * displays as appropriate based on the fragment's state. Control of 32dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * the dialog (deciding when to show, hide, dismiss it) should be done through 33dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * the API here, not with direct calls on the dialog. 34dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * 35dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * <p>Implementations should override this class and implement 36dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} to supply the 37dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * content of the dialog. Alternatively, they can override 38dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link #onCreateDialog(Bundle)} to create an entirely custom dialog, such 39dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * as an AlertDialog, with its own content. 40727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 41727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>Topics covered here: 42727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <ol> 43727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <li><a href="#Lifecycle">Lifecycle</a> 44727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <li><a href="#BasicDialog">Basic Dialog</a> 45727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <li><a href="#AlertDialog">Alert Dialog</a> 46727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <li><a href="#DialogOrEmbed">Selecting Between Dialog or Embedding</a> 47727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * </ol> 48727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 49727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <a name="Lifecycle"></a> 50727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <h3>Lifecycle</h3> 51727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 52727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>DialogFragment does various things to keep the fragment's lifecycle 53727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * driving it, instead of the Dialog. Note that dialogs are generally 54727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * autonomous entities -- they are their own window, receiving their own 55727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * input events, and often deciding on their own when to disappear (by 56727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * receiving a back key event or the user clicking on a button). 57727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 58727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>DialogFragment needs to ensure that what is happening with the Fragment 59727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * and Dialog states remains consistent. To do this, it watches for dismiss 60727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * events from the dialog and takes are of removing its own state when they 61727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * happen. This means you should use {@link #show(FragmentManager, String)} 62727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * or {@link #show(FragmentTransaction, String)} to add an instance of 63727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * DialogFragment to your UI, as these keep track of how DialogFragment should 64727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * remove itself when the dialog is dismissed. 65727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 66727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <a name="BasicDialog"></a> 67727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <h3>Basic Dialog</h3> 68727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 69727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>The simplest use of DialogFragment is as a floating container for the 70727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * fragment's view hierarchy. A simple implementation may look like this: 71727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 72727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentDialog.java 73727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * dialog} 74727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 75727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>An example showDialog() method on the Activity could be: 76727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 77727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentDialog.java 78727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * add_dialog} 79727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 80727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>This removes any currently shown dialog, creates a new DialogFragment 81727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * with an argument, and shows it as a new state on the back stack. When the 82727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * transaction is popped, the current DialogFragment and its Dialog will be 83727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * destroyed, and the previous one (if any) re-shown. Note that in this case 84727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * DialogFragment will take care of popping the transaction of the Dialog 85727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * is dismissed separately from it. 86727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 87727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <a name="AlertDialog"></a> 88727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <h3>Alert Dialog</h3> 89727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 90727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>Instead of (or in addition to) implementing {@link #onCreateView} to 91727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * generate the view hierarchy inside of a dialog, you may implement 92727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@link #onCreateDialog(Bundle)} to create your own custom Dialog object. 93727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 94727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>This is most useful for creating an {@link AlertDialog}, allowing you 95727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * to display standard alerts to the user that are managed by a fragment. 96727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * A simple example implementation of this is: 97727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 98727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentAlertDialog.java 99727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * dialog} 100727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 101727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>The activity creating this fragment may have the following methods to 102727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * show the dialog and receive results from it: 103727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 104727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentAlertDialog.java 105727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * activity} 106727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 107727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>Note that in this case the fragment is not placed on the back stack, it 108727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * is just added as an indefinitely running fragment. Because dialogs normally 109727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * are modal, this will still operate as a back stack, since the dialog will 110727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * capture user input until it is dismissed. When it is dismissed, DialogFragment 111727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * will take care of removing itself from its fragment manager. 112727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 113727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <a name="DialogOrEmbed"></a> 114727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <h3>Selecting Between Dialog or Embedding</h3> 115727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 116727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>A DialogFragment can still optionally be used as a normal fragment, if 117727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * desired. This is useful if you have a fragment that in some cases should 118727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * be shown as a dialog and others embedded in a larger UI. This behavior 119727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * will normally be automatically selected for you based on how you are using 120727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * the fragment, but can be customized with {@link #setShowsDialog(boolean)}. 121727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 122727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>For example, here is a simple dialog fragment: 123727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 124727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentDialogOrActivity.java 125727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * dialog} 126727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 127727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>An instance of this fragment can be created and shown as a dialog: 128727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 129727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentDialogOrActivity.java 130727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * show_dialog} 131727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 132727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>It can also be added as content in a view hierarchy: 133727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 134727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@sample development/samples/ApiDemos/src/com/example/android/apis/app/FragmentDialogOrActivity.java 135727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * embed} 136dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 137dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackbornpublic class DialogFragment extends Fragment 138dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn implements DialogInterface.OnCancelListener, DialogInterface.OnDismissListener { 139dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 140dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 14172dc780f57b4396b808032d592c41d35644a3277Jean-Baptiste Queru * Style for {@link #setStyle(int, int)}: a basic, 142dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * normal dialog. 143dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 144dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public static final int STYLE_NORMAL = 0; 145dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 146dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 14772dc780f57b4396b808032d592c41d35644a3277Jean-Baptiste Queru * Style for {@link #setStyle(int, int)}: don't include 148dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * a title area. 149dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 150dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public static final int STYLE_NO_TITLE = 1; 151dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 152dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 15372dc780f57b4396b808032d592c41d35644a3277Jean-Baptiste Queru * Style for {@link #setStyle(int, int)}: don't draw 154dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * any frame at all; the view hierarchy returned by {@link #onCreateView} 155dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * is entirely responsible for drawing the dialog. 156dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 157dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public static final int STYLE_NO_FRAME = 2; 158dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 159dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 16072dc780f57b4396b808032d592c41d35644a3277Jean-Baptiste Queru * Style for {@link #setStyle(int, int)}: like 161dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link #STYLE_NO_FRAME}, but also disables all input to the dialog. 162dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * The user can not touch it, and its window will not receive input focus. 163dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 164dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public static final int STYLE_NO_INPUT = 3; 165dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 166dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn private static final String SAVED_DIALOG_STATE_TAG = "android:savedDialogState"; 167dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn private static final String SAVED_STYLE = "android:style"; 168dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn private static final String SAVED_THEME = "android:theme"; 169dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn private static final String SAVED_CANCELABLE = "android:cancelable"; 170727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn private static final String SAVED_SHOWS_DIALOG = "android:showsDialog"; 171dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn private static final String SAVED_BACK_STACK_ID = "android:backStackId"; 172dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 173dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn int mStyle = STYLE_NORMAL; 174dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn int mTheme = 0; 175dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn boolean mCancelable = true; 176727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn boolean mShowsDialog = true; 177dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn int mBackStackId = -1; 178dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 179dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn Dialog mDialog; 180dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn boolean mDestroyed; 181def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn boolean mRemoved; 182dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 183dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public DialogFragment() { 184dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 185dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 186dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 187b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * Call to customize the basic appearance and behavior of the 188dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * fragment's dialog. This can be used for some common dialog behaviors, 189dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * taking care of selecting flags, theme, and other options for you. The 190dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * same effect can be achieve by manually setting Dialog and Window 191b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * attributes yourself. Calling this after the fragment's Dialog is 192b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn * created will have no effect. 193dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * 194dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @param style Selects a standard style: may be {@link #STYLE_NORMAL}, 195dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link #STYLE_NO_TITLE}, {@link #STYLE_NO_FRAME}, or 196dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link #STYLE_NO_INPUT}. 197dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @param theme Optional custom theme. If 0, an appropriate theme (based 198dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * on the style) will be selected for you. 199dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 200b7a2e4772220c4b41df1260cedaf8912f4b07547Dianne Hackborn public void setStyle(int style, int theme) { 201dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mStyle = style; 202dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (mStyle == STYLE_NO_FRAME || mStyle == STYLE_NO_INPUT) { 203c63806d852a550d82bbe6cadff8a2139d78ed559Adam Powell mTheme = com.android.internal.R.style.Theme_Holo_Dialog_NoFrame; 204dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 205dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (theme != 0) { 206dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mTheme = theme; 207dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 208dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 209dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 210dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 211727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Display the dialog, adding the fragment to the given FragmentManager. This 212dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * is a convenience for explicitly creating a transaction, adding the 213dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * fragment to it with the given tag, and committing it. This does 214dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * <em>not</em> add the transaction to the back stack. When the fragment 215dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * is dismissed, a new transaction will be executed to remove it from 216dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * the activity. 217727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * @param manager The FragmentManager this fragment will be added to. 218dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @param tag The tag for this fragment, as per 219dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link FragmentTransaction#add(Fragment, String) FragmentTransaction.add}. 220dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 221727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn public void show(FragmentManager manager, String tag) { 22248e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction ft = manager.beginTransaction(); 223dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn ft.add(this, tag); 224dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn ft.commit(); 225dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 226dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 227dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 228727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Display the dialog, adding the fragment using an existing transaction 229727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * and then committing the transaction. 230dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @param transaction An existing transaction in which to add the fragment. 231dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @param tag The tag for this fragment, as per 232dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link FragmentTransaction#add(Fragment, String) FragmentTransaction.add}. 233dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * @return Returns the identifier of the committed transaction, as per 234dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * {@link FragmentTransaction#commit() FragmentTransaction.commit()}. 235dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 236727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn public int show(FragmentTransaction transaction, String tag) { 237dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn transaction.add(this, tag); 238def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mRemoved = false; 239dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mBackStackId = transaction.commit(); 240dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn return mBackStackId; 241dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 242dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 243dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 244dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * Dismiss the fragment and its dialog. If the fragment was added to the 245dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * back stack, all back stack state up to and including this entry will 246dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * be popped. Otherwise, a new transaction will be committed to remove 247dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn * the fragment. 248dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 249dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void dismiss() { 250ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn dismissInternal(false); 251ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn } 252ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn 253ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn void dismissInternal(boolean allowStateLoss) { 254dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (mDialog != null) { 255dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDialog.dismiss(); 256def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mDialog = null; 257dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 258def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mRemoved = true; 259dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (mBackStackId >= 0) { 260def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn getFragmentManager().popBackStack(mBackStackId, 261def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn FragmentManager.POP_BACK_STACK_INCLUSIVE); 262dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mBackStackId = -1; 263dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } else { 26448e7b458694acdf3a4fc58e62437f1dbc4f29d83Dianne Hackborn FragmentTransaction ft = getFragmentManager().beginTransaction(); 265dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn ft.remove(this); 2666908cd154c5a2ed2e3b21d40f51952d45be69184Dianne Hackborn if (allowStateLoss) { 2676908cd154c5a2ed2e3b21d40f51952d45be69184Dianne Hackborn ft.commitAllowingStateLoss(); 2686908cd154c5a2ed2e3b21d40f51952d45be69184Dianne Hackborn } else { 2696908cd154c5a2ed2e3b21d40f51952d45be69184Dianne Hackborn ft.commit(); 2706908cd154c5a2ed2e3b21d40f51952d45be69184Dianne Hackborn } 271dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 272dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 273ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn 274dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public Dialog getDialog() { 275dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn return mDialog; 276dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 277dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 278dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public int getTheme() { 279dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn return mTheme; 280dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 281dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 282727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn /** 283727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Control whether the shown Dialog is cancelable. Use this instead of 284727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * directly calling {@link Dialog#setCancelable(boolean) 285727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Dialog.setCancelable(boolean)}, because DialogFragment needs to change 286727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * its behavior based on this. 287727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 288727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * @param cancelable If true, the dialog is cancelable. The default 289727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * is true. 290727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn */ 291dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void setCancelable(boolean cancelable) { 292dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mCancelable = cancelable; 293dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (mDialog != null) mDialog.setCancelable(cancelable); 294dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 295dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 296727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn /** 297727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Return the current value of {@link #setCancelable(boolean)}. 298727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn */ 299327fbd2c8fa294b919475feb4c74a74ee1981e02Dianne Hackborn public boolean isCancelable() { 300dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn return mCancelable; 301dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 302dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 303727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn /** 304727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Controls whether this fragment should be shown in a dialog. If not 305727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * set, no Dialog will be created in {@link #onActivityCreated(Bundle)}, 306727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * and the fragment's view hierarchy will thus not be added to it. This 307727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * allows you to instead use it as a normal fragment (embedded inside of 308727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * its activity). 309727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 310727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * <p>This is normally set for you based on whether the fragment is 311727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * associated with a container view ID passed to 312727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * {@link FragmentTransaction#add(int, Fragment) FragmentTransaction.add(int, Fragment)}. 313727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * If the fragment was added with a container, setShowsDialog will be 314727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * initialized to false; otherwise, it will be true. 315727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * 316727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * @param showsDialog If true, the fragment will be displayed in a Dialog. 317727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * If false, no Dialog will be created and the fragment's view hierarchly 318727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * left undisturbed. 319727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn */ 320727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn public void setShowsDialog(boolean showsDialog) { 321727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mShowsDialog = showsDialog; 322727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 323727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 324727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn /** 325727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn * Return the current value of {@link #setShowsDialog(boolean)}. 326727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn */ 327727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn public boolean getShowsDialog() { 328727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn return mShowsDialog; 329727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 330727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 331dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 332dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onCreate(Bundle savedInstanceState) { 333dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onCreate(savedInstanceState); 334727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 335727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mShowsDialog = mContainerId == 0; 336727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 337dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (savedInstanceState != null) { 338727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mStyle = savedInstanceState.getInt(SAVED_STYLE, STYLE_NORMAL); 339727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mTheme = savedInstanceState.getInt(SAVED_THEME, 0); 340727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mCancelable = savedInstanceState.getBoolean(SAVED_CANCELABLE, true); 341727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mShowsDialog = savedInstanceState.getBoolean(SAVED_SHOWS_DIALOG, mShowsDialog); 342727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn mBackStackId = savedInstanceState.getInt(SAVED_BACK_STACK_ID, -1); 343dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 3447187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn 345dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 346dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 3477187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn /** @hide */ 3487187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn @Override 3497187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn public LayoutInflater getLayoutInflater(Bundle savedInstanceState) { 3507187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn if (!mShowsDialog) { 3517187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn return super.getLayoutInflater(savedInstanceState); 3527187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn } 3537187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn 3547187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn mDialog = onCreateDialog(savedInstanceState); 3557187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn mDestroyed = false; 3567187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn switch (mStyle) { 3577187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn case STYLE_NO_INPUT: 3587187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn mDialog.getWindow().addFlags( 3597187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | 3607187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE); 3617187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn // fall through... 3627187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn case STYLE_NO_FRAME: 3637187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn case STYLE_NO_TITLE: 3647187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE); 3657187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn } 36625193d330e7daaed1d4678609326c4f84bf3d584Dianne Hackborn if (mDialog != null) { 36725193d330e7daaed1d4678609326c4f84bf3d584Dianne Hackborn return (LayoutInflater)mDialog.getContext().getSystemService( 36825193d330e7daaed1d4678609326c4f84bf3d584Dianne Hackborn Context.LAYOUT_INFLATER_SERVICE); 36925193d330e7daaed1d4678609326c4f84bf3d584Dianne Hackborn } 37025193d330e7daaed1d4678609326c4f84bf3d584Dianne Hackborn return (LayoutInflater)mActivity.getSystemService( 3717187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn Context.LAYOUT_INFLATER_SERVICE); 3727187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn } 3737187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn 3747187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn /** 3757187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * Override to build your own custom Dialog container. This is typically 3767187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * used to show an AlertDialog instead of a generic Dialog; when doing so, 3777187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} does not need 3787187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * to be implemented since the AlertDialog takes care of its own content. 3797187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * 3807187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * <p>This method will be called after {@link #onCreate(Bundle)} and 3817187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * before {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)}. The 3827187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * default implementation simply instantiates and returns a {@link Dialog} 3837187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * class. 3847187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * 385f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * <p><em>Note: DialogFragment own the {@link Dialog#setOnCancelListener 386f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * Dialog.setOnCancelListener} and {@link Dialog#setOnDismissListener 387f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * Dialog.setOnDismissListener} callbacks. You must not set them yourself.</em> 388f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * To find out about these events, override {@link #onCancel(DialogInterface)} 389f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * and {@link #onDismiss(DialogInterface)}.</p> 390f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn * 3917187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * @param savedInstanceState The last saved instance state of the Fragment, 3927187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * or null if this is a freshly created Fragment. 3937187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * 3947187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn * @return Return a new Dialog instance to be displayed by the Fragment. 3957187ccb93ee8adbb745fcbb901cfacfeed397a23Dianne Hackborn */ 396dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public Dialog onCreateDialog(Bundle savedInstanceState) { 397dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn return new Dialog(getActivity(), getTheme()); 398dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 399dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 400dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onCancel(DialogInterface dialog) { 401dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 402dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 403dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onDismiss(DialogInterface dialog) { 404def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (!mRemoved) { 405ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn // Note: we need to use allowStateLoss, because the dialog 406ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn // dispatches this asynchronously so we can receive the call 407ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn // after the activity is paused. Worst case, when the user comes 408ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn // back to the activity they see the dialog again. 409ab36acb39941ce981dddda9f9cf4d2d23a56fd26Dianne Hackborn dismissInternal(true); 410def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 411dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 412dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 413dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 414dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onActivityCreated(Bundle savedInstanceState) { 415dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onActivityCreated(savedInstanceState); 416727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 417727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (!mShowsDialog) { 418727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn return; 419727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 420727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn 421dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn View view = getView(); 422dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (view != null) { 423dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (view.getParent() != null) { 424dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn throw new IllegalStateException("DialogFragment can not be attached to a container view"); 425dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 426dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDialog.setContentView(view); 427dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 428dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDialog.setOwnerActivity(getActivity()); 429dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDialog.setCancelable(mCancelable); 430f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn if (!mDialog.takeCancelAndDismissListeners("DialogFragment", this, this)) { 431f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn throw new IllegalStateException( 432f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn "You can not set Dialog's OnCancelListener or OnDismissListener"); 433f812fee071b9992872009b2dcd7969c7ce882a90Dianne Hackborn } 434dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (savedInstanceState != null) { 435dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn Bundle dialogState = savedInstanceState.getBundle(SAVED_DIALOG_STATE_TAG); 436dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (dialogState != null) { 437dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDialog.onRestoreInstanceState(dialogState); 438dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 439dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 440dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 441dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 442dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 443dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onStart() { 444dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onStart(); 445def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (mDialog != null) { 446def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mRemoved = false; 447def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mDialog.show(); 448def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 449dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 450dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 451dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 452dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onSaveInstanceState(Bundle outState) { 453dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onSaveInstanceState(outState); 454dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (mDialog != null) { 455dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn Bundle dialogState = mDialog.onSaveInstanceState(); 456dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn if (dialogState != null) { 457dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn outState.putBundle(SAVED_DIALOG_STATE_TAG, dialogState); 458dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 459dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 460727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (mStyle != STYLE_NORMAL) { 461727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn outState.putInt(SAVED_STYLE, mStyle); 462727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 463727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (mTheme != 0) { 464727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn outState.putInt(SAVED_THEME, mTheme); 465727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 466727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (!mCancelable) { 467727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn outState.putBoolean(SAVED_CANCELABLE, mCancelable); 468727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 469727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (!mShowsDialog) { 470727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn outState.putBoolean(SAVED_SHOWS_DIALOG, mShowsDialog); 471727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 472727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn if (mBackStackId != -1) { 473727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn outState.putInt(SAVED_BACK_STACK_ID, mBackStackId); 474727782053ced0cac5beadc2c7ee9382d0f1ba1f5Dianne Hackborn } 475dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 476dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 477dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 478dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onStop() { 479dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onStop(); 480def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (mDialog != null) { 481def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mDialog.hide(); 482def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 483dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 484dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn 485dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn /** 486def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn * Remove dialog. 487dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn */ 488dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn @Override 489dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn public void onDestroyView() { 490dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn super.onDestroyView(); 491dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn mDestroyed = true; 492def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn if (mDialog != null) { 493def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn // Set removed here because this dismissal is just to hide 494def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn // the dialog -- we don't want this to cause the fragment to 495def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn // actually be removed. 496def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mRemoved = true; 497def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mDialog.dismiss(); 498def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn mDialog = null; 499def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 500dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn } 501dd913a50cd72d6dd23c4ea437f0ebe2be05ca2e8Dianne Hackborn} 502