TaskStackBuilder.java revision 6b6c90523ed8779aa962ff4f5ef8c368a96269e2
1dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell/* 2dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Copyright (C) 2012 The Android Open Source Project 3dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 4dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Licensed under the Apache License, Version 2.0 (the "License"); 5dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * you may not use this file except in compliance with the License. 6dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * You may obtain a copy of the License at 7dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 8dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * http://www.apache.org/licenses/LICENSE-2.0 9dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 10dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Unless required by applicable law or agreed to in writing, software 11dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * distributed under the License is distributed on an "AS IS" BASIS, 12dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * See the License for the specific language governing permissions and 14dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * limitations under the License. 15dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 16dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 17dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellpackage android.app; 18dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 19dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.ComponentName; 20dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.Context; 21dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.Intent; 22dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.pm.ActivityInfo; 23dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.pm.PackageManager; 24dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.content.pm.PackageManager.NameNotFoundException; 25f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powellimport android.os.Bundle; 26dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.util.Log; 27dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 28dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport java.util.ArrayList; 29dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 30dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell/** 31dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Utility class for constructing synthetic back stacks for cross-task navigation 32dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * on Android 3.0 and newer. 33dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 34dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>In API level 11 (Android 3.0/Honeycomb) the recommended conventions for 35dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * app navigation using the back key changed. The back key's behavior is local 36dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * to the current task and does not capture navigation across different tasks. 37dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Navigating across tasks and easily reaching the previous task is accomplished 38dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * through the "recents" UI, accessible through the software-provided Recents key 39dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * on the navigation or system bar. On devices with the older hardware button configuration 40dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the recents UI can be accessed with a long press on the Home key.</p> 41dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 42dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>When crossing from one task stack to another post-Android 3.0, 43dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the application should synthesize a back stack/history for the new task so that 44dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the user may navigate out of the new task and back to the Launcher by repeated 45dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * presses of the back key. Back key presses should not navigate across task stacks.</p> 46dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 47dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>TaskStackBuilder provides a way to obey the correct conventions 48dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * around cross-task navigation.</p> 49dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 50dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <div class="special reference"> 51dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <h3>About Navigation</h3> 52dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * For more detailed information about tasks, the back stack, and navigation design guidelines, 53dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * please read 54dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back Stack</a> 55dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * from the developer guide and <a href="{@docRoot}design/patterns/navigation.html">Navigation</a> 56dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * from the design guide. 57dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * </div> 58dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 59f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powellpublic class TaskStackBuilder { 60dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private static final String TAG = "TaskStackBuilder"; 61dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 62dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private final ArrayList<Intent> mIntents = new ArrayList<Intent>(); 63dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private final Context mSourceContext; 64dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 65dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private TaskStackBuilder(Context a) { 66dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell mSourceContext = a; 67dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 68dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 69dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 70dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Return a new TaskStackBuilder for launching a fresh task stack consisting 71dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * of a series of activities. 72dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 73dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param context The context that will launch the new task stack or generate a PendingIntent 74dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return A new TaskStackBuilder 75dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 76f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public static TaskStackBuilder create(Context context) { 77dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return new TaskStackBuilder(context); 78dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 79dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 80dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 81dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add a new Intent to the task stack. The most recently added Intent will invoke 82dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the Activity at the top of the final task stack. 83dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 84dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param nextIntent Intent for the next Activity in the synthesized task stack 85dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 86dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 87dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addNextIntent(Intent nextIntent) { 88dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell mIntents.add(nextIntent); 89dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return this; 90dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 91dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 92dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 93f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Add a new Intent with the resolved chain of parents for the target activity to 94f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * the task stack. 95f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 96f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * <p>This is equivalent to calling {@link #addParentStack(ComponentName) addParentStack} 97f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * with the resolved ComponentName of nextIntent (if it can be resolved), followed by 98f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link #addNextIntent(Intent) addNextIntent} with nextIntent.</p> 99f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 100f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param nextIntent Intent for the topmost Activity in the synthesized task stack. 101f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Its chain of parents as specified in the manifest will be added. 102f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return This TaskStackBuilder for method chaining. 103f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 104f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public TaskStackBuilder addNextIntentWithParentStack(Intent nextIntent) { 105f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell ComponentName target = nextIntent.getComponent(); 106f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell if (target == null) { 107f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell target = nextIntent.resolveActivity(mSourceContext.getPackageManager()); 108f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 109f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell if (target != null) { 110f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell addParentStack(target); 111f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 112f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell addNextIntent(nextIntent); 113f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return this; 114f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 115f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 116f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 117dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add the activity parent chain as specified by the 1183c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * {@link Activity#getParentActivityIntent() getParentActivityIntent()} method of the activity 1193c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * specified and the {@link android.R.attr#parentActivityName parentActivityName} attributes 1203c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * of each successive activity (or activity-alias) element in the application's manifest 1213c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * to the task stack builder. 122dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 123dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param sourceActivity All parents of this activity will be added 124dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 125dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 126dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addParentStack(Activity sourceActivity) { 1275a4010c054a4449156df885ad0f46f8db3263d87Adam Powell final Intent parent = sourceActivity.getParentActivityIntent(); 1285a4010c054a4449156df885ad0f46f8db3263d87Adam Powell if (parent != null) { 1295a4010c054a4449156df885ad0f46f8db3263d87Adam Powell // We have the actual parent intent, build the rest from static metadata 1305a4010c054a4449156df885ad0f46f8db3263d87Adam Powell // then add the direct parent intent to the end. 1315a4010c054a4449156df885ad0f46f8db3263d87Adam Powell addParentStack(parent.getComponent()); 1325a4010c054a4449156df885ad0f46f8db3263d87Adam Powell addNextIntent(parent); 133dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 134dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return this; 135dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 136dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 137dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 138dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add the activity parent chain as specified by the 139dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity 140dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * (or activity-alias) element in the application's manifest to the task stack builder. 141dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 142dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param sourceActivityClass All parents of this activity will be added 143dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 144dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 145dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addParentStack(Class<?> sourceActivityClass) { 1465a4010c054a4449156df885ad0f46f8db3263d87Adam Powell return addParentStack(new ComponentName(mSourceContext, sourceActivityClass)); 147dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 148dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 149dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 1503c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * Add the activity parent chain as specified by the 1513c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity 1523c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * (or activity-alias) element in the application's manifest to the task stack builder. 1533c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * 1543c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * @param sourceActivityName Must specify an Activity component. All parents of 1553c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * this activity will be added 1563c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * @return This TaskStackBuilder for method chaining 1573c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell */ 1583c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell public TaskStackBuilder addParentStack(ComponentName sourceActivityName) { 1593c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell final int insertAt = mIntents.size(); 1603c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell PackageManager pm = mSourceContext.getPackageManager(); 1613c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell try { 1623c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell ActivityInfo info = pm.getActivityInfo(sourceActivityName, 0); 1633c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell String parentActivity = info.parentActivityName; 1645c43ec9328ba98fa88acc452b140f2d682a3042cAdam Powell while (parentActivity != null) { 1656b6c90523ed8779aa962ff4f5ef8c368a96269e2Adam Powell final ComponentName target = new ComponentName(info.packageName, parentActivity); 1665a4010c054a4449156df885ad0f46f8db3263d87Adam Powell info = pm.getActivityInfo(target, 0); 1673c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell parentActivity = info.parentActivityName; 1685a4010c054a4449156df885ad0f46f8db3263d87Adam Powell final Intent parent = parentActivity == null && insertAt == 0 1695a4010c054a4449156df885ad0f46f8db3263d87Adam Powell ? Intent.makeMainActivity(target) 1705a4010c054a4449156df885ad0f46f8db3263d87Adam Powell : new Intent().setComponent(target); 1715a4010c054a4449156df885ad0f46f8db3263d87Adam Powell mIntents.add(insertAt, parent); 1723c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1733c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } catch (NameNotFoundException e) { 1743c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell Log.e(TAG, "Bad ComponentName while traversing activity parent metadata"); 1753c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell throw new IllegalArgumentException(e); 1763c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1773c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell return this; 1783c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1793c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell 1803c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell /** 181dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return the number of intents added so far. 182dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 183dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public int getIntentCount() { 184dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return mIntents.size(); 185dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 186dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 187dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 188f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Return the intent at the specified index for modification. 189dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Useful if you need to modify the flags or extras of an intent that was previously added, 190dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * for example with {@link #addParentStack(Activity)}. 191dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 192dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param index Index from 0-getIntentCount() 193dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return the intent at position index 194dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 195f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public Intent editIntentAt(int index) { 196dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return mIntents.get(index); 197dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 198dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 199f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 200f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Start the task stack constructed by this builder. 201f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 202f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public void startActivities() { 203f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell startActivities(null); 204dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 205dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 206dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 207dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Start the task stack constructed by this builder. 208f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 209f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param options Additional options for how the Activity should be started. 210f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * See {@link android.content.Context#startActivity(Intent, Bundle) 211f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Context.startActivity(Intent, Bundle)} for more details. 212dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 213f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public void startActivities(Bundle options) { 214dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell if (mIntents.isEmpty()) { 215dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell throw new IllegalStateException( 216dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell "No intents added to TaskStackBuilder; cannot startActivities"); 217dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 218dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 219dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell Intent[] intents = mIntents.toArray(new Intent[mIntents.size()]); 220dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell intents[0].addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 221dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell Intent.FLAG_ACTIVITY_CLEAR_TASK | 222dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell Intent.FLAG_ACTIVITY_TASK_ON_HOME); 223f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell mSourceContext.startActivities(intents, options); 224dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 225dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 226dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 227dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Obtain a {@link PendingIntent} for launching the task constructed by this builder so far. 228dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 229dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param requestCode Private request code for the sender 230dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param flags May be {@link PendingIntent#FLAG_ONE_SHOT}, 231dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link PendingIntent#FLAG_NO_CREATE}, {@link PendingIntent#FLAG_CANCEL_CURRENT}, 232dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link PendingIntent#FLAG_UPDATE_CURRENT}, or any of the flags supported by 233dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link Intent#fillIn(Intent, int)} to control which unspecified parts of the 234dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * intent that can be supplied when the actual send happens. 235f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 236dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return The obtained PendingIntent 237dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 238dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public PendingIntent getPendingIntent(int requestCode, int flags) { 239f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return getPendingIntent(requestCode, flags, null); 240f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 241f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 242f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 243f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Obtain a {@link PendingIntent} for launching the task constructed by this builder so far. 244f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 245f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param requestCode Private request code for the sender 246f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param flags May be {@link PendingIntent#FLAG_ONE_SHOT}, 247f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link PendingIntent#FLAG_NO_CREATE}, {@link PendingIntent#FLAG_CANCEL_CURRENT}, 248f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link PendingIntent#FLAG_UPDATE_CURRENT}, or any of the flags supported by 249f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link Intent#fillIn(Intent, int)} to control which unspecified parts of the 250f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * intent that can be supplied when the actual send happens. 251f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param options Additional options for how the Activity should be started. 252f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * See {@link android.content.Context#startActivity(Intent, Bundle) 253f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Context.startActivity(Intent, Bundle)} for more details. 254f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 255f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return The obtained PendingIntent 256f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 257f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public PendingIntent getPendingIntent(int requestCode, int flags, Bundle options) { 2588ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell if (mIntents.isEmpty()) { 2598ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell throw new IllegalStateException( 2608ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell "No intents added to TaskStackBuilder; cannot getPendingIntent"); 2618ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell } 2628ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell 263dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell Intent[] intents = mIntents.toArray(new Intent[mIntents.size()]); 2648ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell intents[0].addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 2658ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell Intent.FLAG_ACTIVITY_CLEAR_TASK | 2668ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell Intent.FLAG_ACTIVITY_TASK_ON_HOME); 267f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return PendingIntent.getActivities(mSourceContext, requestCode, intents, flags, options); 268f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 269f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 270f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 271f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Return an array containing the intents added to this builder. The intent at the 272f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * root of the task stack will appear as the first item in the array and the 273f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * intent at the top of the stack will appear as the last item. 274f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 275f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return An array containing the intents added to this builder. 276f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 277f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public Intent[] getIntents() { 278f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return mIntents.toArray(new Intent[mIntents.size()]); 279dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 280dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell} 281