TaskStackBuilder.java revision ea7e91514ee1968d15713e82a5cca745e2c46a05
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; 26ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasaniimport android.os.UserHandle; 27dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport android.util.Log; 28dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 29dd8fab2629131b09367df747afd9a61e42dd1992Adam Powellimport java.util.ArrayList; 30dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 31dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell/** 32dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Utility class for constructing synthetic back stacks for cross-task navigation 33dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * on Android 3.0 and newer. 34dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 35dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>In API level 11 (Android 3.0/Honeycomb) the recommended conventions for 36dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * app navigation using the back key changed. The back key's behavior is local 37dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * to the current task and does not capture navigation across different tasks. 38dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Navigating across tasks and easily reaching the previous task is accomplished 39dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * through the "recents" UI, accessible through the software-provided Recents key 40dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * on the navigation or system bar. On devices with the older hardware button configuration 41dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the recents UI can be accessed with a long press on the Home key.</p> 42dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 43dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>When crossing from one task stack to another post-Android 3.0, 44dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the application should synthesize a back stack/history for the new task so that 45dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the user may navigate out of the new task and back to the Launcher by repeated 46dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * presses of the back key. Back key presses should not navigate across task stacks.</p> 47dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 48dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <p>TaskStackBuilder provides a way to obey the correct conventions 49dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * around cross-task navigation.</p> 50dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 51dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <div class="special reference"> 52dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <h3>About Navigation</h3> 53dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * For more detailed information about tasks, the back stack, and navigation design guidelines, 54dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * please read 55dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and Back Stack</a> 56dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * from the developer guide and <a href="{@docRoot}design/patterns/navigation.html">Navigation</a> 57dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * from the design guide. 58dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * </div> 59dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 60f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powellpublic class TaskStackBuilder { 61dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private static final String TAG = "TaskStackBuilder"; 62dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 63dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private final ArrayList<Intent> mIntents = new ArrayList<Intent>(); 64dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private final Context mSourceContext; 65dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 66dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell private TaskStackBuilder(Context a) { 67dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell mSourceContext = a; 68dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 69dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 70dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 71dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Return a new TaskStackBuilder for launching a fresh task stack consisting 72dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * of a series of activities. 73dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 74dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param context The context that will launch the new task stack or generate a PendingIntent 75dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return A new TaskStackBuilder 76dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 77f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public static TaskStackBuilder create(Context context) { 78dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return new TaskStackBuilder(context); 79dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 80dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 81dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 82dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add a new Intent to the task stack. The most recently added Intent will invoke 83dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * the Activity at the top of the final task stack. 84dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 85dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param nextIntent Intent for the next Activity in the synthesized task stack 86dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 87dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 88dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addNextIntent(Intent nextIntent) { 89dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell mIntents.add(nextIntent); 90dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return this; 91dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 92dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 93dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 94f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Add a new Intent with the resolved chain of parents for the target activity to 95f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * the task stack. 96f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 97f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * <p>This is equivalent to calling {@link #addParentStack(ComponentName) addParentStack} 98f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * with the resolved ComponentName of nextIntent (if it can be resolved), followed by 99f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link #addNextIntent(Intent) addNextIntent} with nextIntent.</p> 100f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 101f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param nextIntent Intent for the topmost Activity in the synthesized task stack. 102f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Its chain of parents as specified in the manifest will be added. 103f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return This TaskStackBuilder for method chaining. 104f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 105f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public TaskStackBuilder addNextIntentWithParentStack(Intent nextIntent) { 106f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell ComponentName target = nextIntent.getComponent(); 107f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell if (target == null) { 108f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell target = nextIntent.resolveActivity(mSourceContext.getPackageManager()); 109f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 110f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell if (target != null) { 111f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell addParentStack(target); 112f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 113f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell addNextIntent(nextIntent); 114f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return this; 115f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 116f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 117f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 118dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add the activity parent chain as specified by the 1193c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * {@link Activity#getParentActivityIntent() getParentActivityIntent()} method of the activity 1203c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * specified and the {@link android.R.attr#parentActivityName parentActivityName} attributes 1213c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * of each successive activity (or activity-alias) element in the application's manifest 1223c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * to the task stack builder. 123dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 124dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param sourceActivity All parents of this activity will be added 125dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 126dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 127dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addParentStack(Activity sourceActivity) { 1285a4010c054a4449156df885ad0f46f8db3263d87Adam Powell final Intent parent = sourceActivity.getParentActivityIntent(); 1295a4010c054a4449156df885ad0f46f8db3263d87Adam Powell if (parent != null) { 1305a4010c054a4449156df885ad0f46f8db3263d87Adam Powell // We have the actual parent intent, build the rest from static metadata 1315a4010c054a4449156df885ad0f46f8db3263d87Adam Powell // then add the direct parent intent to the end. 1325a4010c054a4449156df885ad0f46f8db3263d87Adam Powell addParentStack(parent.getComponent()); 1335a4010c054a4449156df885ad0f46f8db3263d87Adam Powell addNextIntent(parent); 134dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 135dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return this; 136dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 137dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 138dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 139dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Add the activity parent chain as specified by the 140dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity 141dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * (or activity-alias) element in the application's manifest to the task stack builder. 142dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 143dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param sourceActivityClass All parents of this activity will be added 144dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return This TaskStackBuilder for method chaining 145dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 146dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public TaskStackBuilder addParentStack(Class<?> sourceActivityClass) { 1475a4010c054a4449156df885ad0f46f8db3263d87Adam Powell return addParentStack(new ComponentName(mSourceContext, sourceActivityClass)); 148dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 149dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 150dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 1513c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * Add the activity parent chain as specified by the 1523c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity 1533c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * (or activity-alias) element in the application's manifest to the task stack builder. 1543c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * 1553c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * @param sourceActivityName Must specify an Activity component. All parents of 1563c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * this activity will be added 1573c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell * @return This TaskStackBuilder for method chaining 1583c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell */ 1593c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell public TaskStackBuilder addParentStack(ComponentName sourceActivityName) { 1603c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell final int insertAt = mIntents.size(); 1613c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell PackageManager pm = mSourceContext.getPackageManager(); 1623c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell try { 1633c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell ActivityInfo info = pm.getActivityInfo(sourceActivityName, 0); 1643c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell String parentActivity = info.parentActivityName; 1655c43ec9328ba98fa88acc452b140f2d682a3042cAdam Powell while (parentActivity != null) { 1666b6c90523ed8779aa962ff4f5ef8c368a96269e2Adam Powell final ComponentName target = new ComponentName(info.packageName, parentActivity); 1675a4010c054a4449156df885ad0f46f8db3263d87Adam Powell info = pm.getActivityInfo(target, 0); 1683c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell parentActivity = info.parentActivityName; 1695a4010c054a4449156df885ad0f46f8db3263d87Adam Powell final Intent parent = parentActivity == null && insertAt == 0 1705a4010c054a4449156df885ad0f46f8db3263d87Adam Powell ? Intent.makeMainActivity(target) 1715a4010c054a4449156df885ad0f46f8db3263d87Adam Powell : new Intent().setComponent(target); 1725a4010c054a4449156df885ad0f46f8db3263d87Adam Powell mIntents.add(insertAt, parent); 1733c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1743c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } catch (NameNotFoundException e) { 1753c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell Log.e(TAG, "Bad ComponentName while traversing activity parent metadata"); 1763c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell throw new IllegalArgumentException(e); 1773c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1783c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell return this; 1793c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell } 1803c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell 1813c464bdefe37f75153e8a8c978c3457ae4d1f37eAdam Powell /** 182dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return the number of intents added so far. 183dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 184dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public int getIntentCount() { 185dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return mIntents.size(); 186dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 187dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 188dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 189f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Return the intent at the specified index for modification. 190dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Useful if you need to modify the flags or extras of an intent that was previously added, 191dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * for example with {@link #addParentStack(Activity)}. 192dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 193dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param index Index from 0-getIntentCount() 194dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return the intent at position index 195dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 196f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public Intent editIntentAt(int index) { 197dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell return mIntents.get(index); 198dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 199dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 200f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 201f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Start the task stack constructed by this builder. 202f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 203f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public void startActivities() { 204f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell startActivities(null); 205dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 206dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 207dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 208dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Start the task stack constructed by this builder. 209ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * @hide 210dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 211ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani public void startActivities(Bundle options, UserHandle userHandle) { 212dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell if (mIntents.isEmpty()) { 213dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell throw new IllegalStateException( 214dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell "No intents added to TaskStackBuilder; cannot startActivities"); 215dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 216dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 217ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani mSourceContext.startActivitiesAsUser(getIntents(), options, userHandle); 218ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani } 219ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani 220ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani /** 221ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * Start the task stack constructed by this builder. 222ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * 223ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * @param options Additional options for how the Activity should be started. 224ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * See {@link android.content.Context#startActivity(Intent, Bundle) 225ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani * Context.startActivity(Intent, Bundle)} for more details. 226ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani */ 227ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani public void startActivities(Bundle options) { 228ea7e91514ee1968d15713e82a5cca745e2c46a05Amith Yamasani startActivities(options, new UserHandle(UserHandle.myUserId())); 229dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 230dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell 231dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell /** 232dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * Obtain a {@link PendingIntent} for launching the task constructed by this builder so far. 233dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * 234dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param requestCode Private request code for the sender 235dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @param flags May be {@link PendingIntent#FLAG_ONE_SHOT}, 236dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link PendingIntent#FLAG_NO_CREATE}, {@link PendingIntent#FLAG_CANCEL_CURRENT}, 237dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link PendingIntent#FLAG_UPDATE_CURRENT}, or any of the flags supported by 238dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * {@link Intent#fillIn(Intent, int)} to control which unspecified parts of the 239dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * intent that can be supplied when the actual send happens. 240f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 241dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell * @return The obtained PendingIntent 242dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell */ 243dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell public PendingIntent getPendingIntent(int requestCode, int flags) { 244f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell return getPendingIntent(requestCode, flags, null); 245f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 246f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 247f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 248f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Obtain a {@link PendingIntent} for launching the task constructed by this builder so far. 249f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 250f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param requestCode Private request code for the sender 251f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param flags May be {@link PendingIntent#FLAG_ONE_SHOT}, 252f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link PendingIntent#FLAG_NO_CREATE}, {@link PendingIntent#FLAG_CANCEL_CURRENT}, 253f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link PendingIntent#FLAG_UPDATE_CURRENT}, or any of the flags supported by 254f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * {@link Intent#fillIn(Intent, int)} to control which unspecified parts of the 255f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * intent that can be supplied when the actual send happens. 256f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @param options Additional options for how the Activity should be started. 257f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * See {@link android.content.Context#startActivity(Intent, Bundle) 258f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Context.startActivity(Intent, Bundle)} for more details. 259f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 260f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return The obtained PendingIntent 261f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 262f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public PendingIntent getPendingIntent(int requestCode, int flags, Bundle options) { 2638ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell if (mIntents.isEmpty()) { 2648ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell throw new IllegalStateException( 2658ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell "No intents added to TaskStackBuilder; cannot getPendingIntent"); 2668ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell } 2678ab700cbbab60f7a01a86cbf16496e1f34236dd6Adam Powell 26875e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell return PendingIntent.getActivities(mSourceContext, requestCode, getIntents(), 26975e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell flags, options); 270f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell } 271f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell 272f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell /** 273f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * Return an array containing the intents added to this builder. The intent at the 274f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * root of the task stack will appear as the first item in the array and the 275f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * intent at the top of the stack will appear as the last item. 276f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * 277f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell * @return An array containing the intents added to this builder. 278f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell */ 279f78a8444a9b21b0d1daca8667d580dd0ec04a310Adam Powell public Intent[] getIntents() { 28075e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell Intent[] intents = new Intent[mIntents.size()]; 28175e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell if (intents.length == 0) return intents; 28275e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell 28375e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell intents[0] = new Intent(mIntents.get(0)).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 28475e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell Intent.FLAG_ACTIVITY_CLEAR_TASK | 28575e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell Intent.FLAG_ACTIVITY_TASK_ON_HOME); 28675e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell for (int i = 1; i < intents.length; i++) { 28775e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell intents[i] = new Intent(mIntents.get(i)); 28875e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell } 28975e0af8982cd29cfe8a01c18d1e82d7abcfd1711Adam Powell return intents; 290dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell } 291dd8fab2629131b09367df747afd9a61e42dd1992Adam Powell} 292