AppCompatActivity.java revision 547a80d347e0dc9751bbe3cf91f947477145bdba
1f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes/* 2f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Copyright (C) 2015 The Android Open Source Project 3f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 4f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Licensed under the Apache License, Version 2.0 (the "License"); 5f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * you may not use this file except in compliance with the License. 6f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * You may obtain a copy of the License at 7f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 8f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * http://www.apache.org/licenses/LICENSE-2.0 9f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 10f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Unless required by applicable law or agreed to in writing, software 11f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * distributed under the License is distributed on an "AS IS" BASIS, 12f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * See the License for the specific language governing permissions and 14f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * limitations under the License. 15f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 16f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 17f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banespackage android.support.v7.app; 18f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 19f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.content.Intent; 20f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.content.res.Configuration; 21f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.os.Bundle; 22f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.annotation.LayoutRes; 23f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.annotation.Nullable; 24f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v4.app.ActivityCompat; 25f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v4.app.FragmentActivity; 26f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v4.app.NavUtils; 27f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v4.app.TaskStackBuilder; 28f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v7.view.ActionMode; 29f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.support.v7.widget.Toolbar; 30f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.view.MenuInflater; 31f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.view.View; 32f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banesimport android.view.ViewGroup; 33f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 34f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes/** 35f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Base class for activities that use the 36f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <a href="{@docRoot}tools/extras/support-library.html">support library</a> action bar features. 37f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 38f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>You can add an {@link android.support.v7.app.ActionBar} to your activity when running on API level 7 or higher 39f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * by extending this class for your activity and setting the activity theme to 40f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link android.support.v7.appcompat.R.style#Theme_AppCompat Theme.AppCompat} or a similar theme. 41f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 42f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <div class="special reference"> 43f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <h3>Developer Guides</h3> 44f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 45f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>For information about how to use the action bar, including how to add action items, navigation 46f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * modes and more, read the <a href="{@docRoot}guide/topics/ui/actionbar.html">Action 47f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Bar</a> API guide.</p> 48f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * </div> 49f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 5016e8d4dd91083260223c007c797e46bc8f631055Chris Banespublic class AppCompatActivity extends FragmentActivity implements AppCompatCallback, 51f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes TaskStackBuilder.SupportParentable, ActionBarDrawerToggle.DelegateProvider { 52f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 53f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes private AppCompatDelegate mDelegate; 54f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 55f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 56c861fd8b28b0b878ccc194ee6099b3b1bc4c3ae8Scott Kennedy protected void onCreate(@Nullable Bundle savedInstanceState) { 57f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().installViewFactory(); 58f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onCreate(savedInstanceState); 59f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onCreate(savedInstanceState); 60f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 61f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 62f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 63c861fd8b28b0b878ccc194ee6099b3b1bc4c3ae8Scott Kennedy protected void onPostCreate(@Nullable Bundle savedInstanceState) { 64f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onPostCreate(savedInstanceState); 65f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onPostCreate(savedInstanceState); 66f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 67f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 68f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 69f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Support library version of {@link android.app.Activity#getActionBar}. 70f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 71f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>Retrieve a reference to this activity's ActionBar. 72f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 73f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return The Activity's ActionBar, or null if it does not have one. 74f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 75c861fd8b28b0b878ccc194ee6099b3b1bc4c3ae8Scott Kennedy @Nullable 76f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public ActionBar getSupportActionBar() { 77f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return getDelegate().getSupportActionBar(); 78f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 79f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 80f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 81f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Set a {@link android.widget.Toolbar Toolbar} to act as the {@link android.support.v7.app.ActionBar} for this 82f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Activity window. 83f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 84f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>When set to a non-null value the {@link #getActionBar()} method will return 85f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * an {@link android.support.v7.app.ActionBar} object that can be used to control the given toolbar as if it were 86f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * a traditional window decor action bar. The toolbar's menu will be populated with the 87f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Activity's options menu and the navigation button will be wired through the standard 88f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link android.R.id#home home} menu select action.</p> 89f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 90f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>In order to use a Toolbar within the Activity's window content the application 91f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * must not request the window feature {@link android.view.Window#FEATURE_ACTION_BAR FEATURE_ACTION_BAR}.</p> 92f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 93f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param toolbar Toolbar to set as the Activity's action bar 94f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 95f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setSupportActionBar(@Nullable Toolbar toolbar) { 96f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().setSupportActionBar(toolbar); 97f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 98f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 99f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 100f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public MenuInflater getMenuInflater() { 101f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return getDelegate().getMenuInflater(); 102f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 103f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 104f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 105f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setContentView(@LayoutRes int layoutResID) { 106f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().setContentView(layoutResID); 107f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 108f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 109f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 110f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setContentView(View view) { 111f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().setContentView(view); 112f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 113f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 114f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 115f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setContentView(View view, ViewGroup.LayoutParams params) { 116f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().setContentView(view, params); 117f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 118f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 119f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 120f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void addContentView(View view, ViewGroup.LayoutParams params) { 121f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().addContentView(view, params); 122f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 123f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 124f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 125f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onConfigurationChanged(Configuration newConfig) { 126f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onConfigurationChanged(newConfig); 127f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onConfigurationChanged(newConfig); 128f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 129f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 130f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 131f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes protected void onStop() { 132f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onStop(); 133f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onStop(); 134f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 135f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 136f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 137f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes protected void onPostResume() { 138f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onPostResume(); 139f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onPostResume(); 140f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 141f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 142f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 143f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public final boolean onMenuItemSelected(int featureId, android.view.MenuItem item) { 144f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes if (super.onMenuItemSelected(featureId, item)) { 145f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return true; 146f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 147f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 148f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes final ActionBar ab = getSupportActionBar(); 149f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes if (item.getItemId() == android.R.id.home && ab != null && 150f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes (ab.getDisplayOptions() & ActionBar.DISPLAY_HOME_AS_UP) != 0) { 151f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return onSupportNavigateUp(); 152f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 153f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return false; 154f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 155f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 156f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 157f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes protected void onDestroy() { 158f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onDestroy(); 159f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().onDestroy(); 160f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 161f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 162f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 163f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes protected void onTitleChanged(CharSequence title, int color) { 164f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes super.onTitleChanged(title, color); 16516e8d4dd91083260223c007c797e46bc8f631055Chris Banes getDelegate().setTitle(title); 166f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 167f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 168f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 169f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Enable extended support library window features. 170f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p> 171f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * This is a convenience for calling 172f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link android.view.Window#requestFeature getWindow().requestFeature()}. 173f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * </p> 174f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 175f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param featureId The desired feature as defined in 176f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link android.view.Window} or {@link android.support.v4.view.WindowCompat}. 177f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return Returns true if the requested feature is supported and now enabled. 178f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 179f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @see android.app.Activity#requestWindowFeature 180f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @see android.view.Window#requestFeature 181f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 182f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public boolean supportRequestWindowFeature(int featureId) { 183f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return getDelegate().requestWindowFeature(featureId); 184f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 185f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 186f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 187f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void supportInvalidateOptionsMenu() { 188f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().invalidateOptionsMenu(); 189f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 190f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 191f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 192f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @hide 193f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 194f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void invalidateOptionsMenu() { 195f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes getDelegate().invalidateOptionsMenu(); 196f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 197f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 198f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 199f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Notifies the Activity that a support action mode has been started. 200f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Activity subclasses overriding this method should call the superclass implementation. 201f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 202f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param mode The new action mode. 203f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 204f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onSupportActionModeStarted(ActionMode mode) { 205f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 206f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 207f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 208f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Notifies the activity that a support action mode has finished. 209f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Activity subclasses overriding this method should call the superclass implementation. 210f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 211f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param mode The action mode that just finished. 212f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 213f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onSupportActionModeFinished(ActionMode mode) { 214f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 215f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 216547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes /** 217547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * Called when a support action mode is being started for this window. Gives the 218547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * callback an opportunity to handle the action mode in its own unique and 219547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * beautiful way. If this method returns null the system can choose a way 220547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * to present the mode or choose not to start the mode at all. 221547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * 222547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * @param callback Callback to control the lifecycle of this action mode 223547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes * @return The ActionMode that was started, or null if the system should present it 224547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes */ 225547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes @Nullable 226547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes @Override 227547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes public ActionMode onWindowStartingSupportActionMode(ActionMode.Callback callback) { 228547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes return null; 229547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes } 230547a80d347e0dc9751bbe3cf91f947477145bdbaChris Banes 231f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public ActionMode startSupportActionMode(ActionMode.Callback callback) { 232f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return getDelegate().startSupportActionMode(callback); 233f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 234f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 235f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 236f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @deprecated Progress bars are no longer provided in AppCompat. 237f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 238f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Deprecated 239f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setSupportProgressBarVisibility(boolean visible) { 240f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 241f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 242f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 243f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @deprecated Progress bars are no longer provided in AppCompat. 244f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 245f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Deprecated 246f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setSupportProgressBarIndeterminateVisibility(boolean visible) { 247f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 248f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 249f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 250f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @deprecated Progress bars are no longer provided in AppCompat. 251f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 252f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Deprecated 253f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setSupportProgressBarIndeterminate(boolean indeterminate) { 254f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 255f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 256f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 257f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @deprecated Progress bars are no longer provided in AppCompat. 258f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 259f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Deprecated 260f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void setSupportProgress(int progress) { 261f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 262f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 263f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 264f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Support version of {@link #onCreateNavigateUpTaskStack(android.app.TaskStackBuilder)}. 265f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * This method will be called on all platform versions. 266f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 267f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Define the synthetic task stack that will be generated during Up navigation from 268f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * a different task. 269f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 270f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>The default implementation of this method adds the parent chain of this activity 271f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * as specified in the manifest to the supplied {@link android.support.v4.app.TaskStackBuilder}. Applications 272f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * may choose to override this method to construct the desired task stack in a different 273f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * way.</p> 274f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 275f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>This method will be invoked by the default implementation of {@link #onNavigateUp()} 276f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * if {@link #shouldUpRecreateTask(android.content.Intent)} returns true when supplied with the intent 277f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * returned by {@link #getParentActivityIntent()}.</p> 278f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 279f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>Applications that wish to supply extra Intent parameters to the parent stack defined 280f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * by the manifest should override 281f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #onPrepareSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)}.</p> 282f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 283f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param builder An empty TaskStackBuilder - the application should add intents representing 284f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * the desired task stack 285f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 286f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onCreateSupportNavigateUpTaskStack(TaskStackBuilder builder) { 287f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes builder.addParentStack(this); 288f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 289f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 290f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 291f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Support version of {@link #onPrepareNavigateUpTaskStack(android.app.TaskStackBuilder)}. 292f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * This method will be called on all platform versions. 293f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 294f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Prepare the synthetic task stack that will be generated during Up navigation 295f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * from a different task. 296f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 297f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>This method receives the {@link android.support.v4.app.TaskStackBuilder} with the constructed series of 298f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Intents as generated by {@link #onCreateSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)}. 299f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * If any extra data should be added to these intents before launching the new task, 300f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * the application should override this method and add that data here.</p> 301f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 302f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param builder A TaskStackBuilder that has been populated with Intents by 303f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * onCreateNavigateUpTaskStack. 304f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 305f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onPrepareSupportNavigateUpTaskStack(TaskStackBuilder builder) { 306f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 307f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 308f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 309f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * This method is called whenever the user chooses to navigate Up within your application's 310f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * activity hierarchy from the action bar. 311f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 312f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>If a parent was specified in the manifest for this activity or an activity-alias to it, 313f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * default Up navigation will be handled automatically. See 314f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #getSupportParentActivityIntent()} for how to specify the parent. If any activity 315f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * along the parent chain requires extra Intent arguments, the Activity subclass 316f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * should override the method {@link #onPrepareSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)} 317f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * to supply those arguments.</p> 318f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 319f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>See <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and 320f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Back Stack</a> from the developer guide and 321f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <a href="{@docRoot}design/patterns/navigation.html">Navigation</a> from the design guide 322f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * for more information about navigating within your app.</p> 323f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 324f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>See the {@link android.support.v4.app.TaskStackBuilder} class and the Activity methods 325f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #getSupportParentActivityIntent()}, {@link #supportShouldUpRecreateTask(android.content.Intent)}, and 326f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #supportNavigateUpTo(android.content.Intent)} for help implementing custom Up navigation.</p> 327f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 328f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return true if Up navigation completed successfully and this Activity was finished, 329f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * false otherwise. 330f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 331f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public boolean onSupportNavigateUp() { 332f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes Intent upIntent = getSupportParentActivityIntent(); 333f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 334f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes if (upIntent != null) { 335f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes if (supportShouldUpRecreateTask(upIntent)) { 336f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes TaskStackBuilder b = TaskStackBuilder.create(this); 337f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes onCreateSupportNavigateUpTaskStack(b); 338f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes onPrepareSupportNavigateUpTaskStack(b); 339f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes b.startActivities(); 340f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 341f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes try { 342f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes ActivityCompat.finishAffinity(this); 343f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } catch (IllegalStateException e) { 344f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes // This can only happen on 4.1+, when we don't have a parent or a result set. 345f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes // In that case we should just finish(). 346f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes finish(); 347f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 348f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } else { 349f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes // This activity is part of the application's task, so simply 350f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes // navigate up to the hierarchical parent activity. 351f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes supportNavigateUpTo(upIntent); 352f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 353f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return true; 354f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 355f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return false; 356f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 357f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 358f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 359f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Obtain an {@link android.content.Intent} that will launch an explicit target activity 360f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * specified by sourceActivity's {@link android.support.v4.app.NavUtils#PARENT_ACTIVITY} <meta-data> 361f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * element in the application's manifest. If the device is running 362f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Jellybean or newer, the android:parentActivityName attribute will be preferred 363f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * if it is present. 364f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 365f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return a new Intent targeting the defined parent activity of sourceActivity 366f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 367c861fd8b28b0b878ccc194ee6099b3b1bc4c3ae8Scott Kennedy @Nullable 368f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public Intent getSupportParentActivityIntent() { 369f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return NavUtils.getParentActivityIntent(this); 370f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 371f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 372f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 373f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Returns true if sourceActivity should recreate the task when navigating 'up' 374f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * by using targetIntent. 375f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 376f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>If this method returns false the app can trivially call 377f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #supportNavigateUpTo(android.content.Intent)} using the same parameters to correctly perform 378f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * up navigation. If this method returns false, the app should synthesize a new task stack 379f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * by using {@link android.support.v4.app.TaskStackBuilder} or another similar mechanism to perform up navigation.</p> 380f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 381f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param targetIntent An intent representing the target destination for up navigation 382f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return true if navigating up should recreate a new task stack, false if the same task 383f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * should be used for the destination 384f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 385f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public boolean supportShouldUpRecreateTask(Intent targetIntent) { 386f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return NavUtils.shouldUpRecreateTask(this, targetIntent); 387f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 388f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 389f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 390f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * Navigate from sourceActivity to the activity specified by upIntent, finishing sourceActivity 391f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * in the process. upIntent will have the flag {@link android.content.Intent#FLAG_ACTIVITY_CLEAR_TOP} set 392f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * by this method, along with any others required for proper up navigation as outlined 393f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * in the Android Design Guide. 394f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 395f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * <p>This method should be used when performing up navigation from within the same task 396f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * as the destination. If up navigation should cross tasks in some cases, see 397f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * {@link #supportShouldUpRecreateTask(android.content.Intent)}.</p> 398f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * 399f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @param upIntent An intent representing the target destination for up navigation 400f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 401f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void supportNavigateUpTo(Intent upIntent) { 402f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes NavUtils.navigateUpTo(this, upIntent); 403f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 404f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 405f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 406f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onContentChanged() { 407f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes // Call onSupportContentChanged() for legacy reasons 408f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes onSupportContentChanged(); 409f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 410f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 411f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 412f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @deprecated Use {@link #onContentChanged()} instead. 413f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 414f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Deprecated 415f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public void onSupportContentChanged() { 416f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 417f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 418f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Nullable 419f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes @Override 420f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public ActionBarDrawerToggle.Delegate getDrawerToggleDelegate() { 421f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return getDelegate().getDrawerToggleDelegate(); 422f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 423f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes 424f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes /** 425f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes * @return The {@link AppCompatDelegate} being used by this Activity. 426f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes */ 427f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes public AppCompatDelegate getDelegate() { 428f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes if (mDelegate == null) { 429f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes mDelegate = AppCompatDelegate.create(this, this); 430f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 431f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes return mDelegate; 432f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes } 433f3ad1351d8b40ec5defe35e79d3430ad3c384b6dChris Banes} 434