Java Code Examples for android.app.activitymanager#AppTask

/**
 * Finishes tasks other than the one with the given ID that were started with the given data
 * in the Intent, removing those tasks from Recents and leaving a unique task with the data.
 * @param data Passed in as part of the Intent's data when starting the Activity.
 * @param canonicalTaskId ID of the task will be the only one left with the ID.
 * @return Intent of one of the tasks that were finished.
 */
public static Intent finishOtherTasksWithData(Uri data, int canonicalTaskId) {
    if (data == null || Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) return null;

    String dataString = data.toString();
    Context context = ContextUtils.getApplicationContext();

    ActivityManager manager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.AppTask> tasksToFinish = new ArrayList<ActivityManager.AppTask>();
    for (ActivityManager.AppTask task : manager.getAppTasks()) {
        RecentTaskInfo taskInfo = getTaskInfoFromTask(task);
        if (taskInfo == null) continue;
        int taskId = taskInfo.id;

        Intent baseIntent = taskInfo.baseIntent;
        String taskData = baseIntent == null ? null : taskInfo.baseIntent.getDataString();

        if (TextUtils.equals(dataString, taskData)
                && (taskId == -1 || taskId != canonicalTaskId)) {
            tasksToFinish.add(task);
        }
    }
    return finishAndRemoveTasks(tasksToFinish);
}
 

/**
 * date: 2019/6/28
 * author: chenli
 * description: 退出应用
 */
public static void exitApp(Activity context){
    ActivityManager activityManager = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        List<ActivityManager.AppTask> taskInfoList = activityManager.getAppTasks();
        for (ActivityManager.AppTask task : taskInfoList) {
            task.finishAndRemoveTask();
        }
    }else context.finish();
    new Handler().postDelayed(new Runnable() {
        @Override
        public void run() {
            System.exit(0);
        }
    }, 250);
}
 

/**
 * Finishes tasks other than the one with the given ID that were started with the given data
 * in the Intent, removing those tasks from Recents and leaving a unique task with the data.
 * @param data Passed in as part of the Intent's data when starting the Activity.
 * @param canonicalTaskId ID of the task will be the only one left with the ID.
 * @return Intent of one of the tasks that were finished.
 */
public static Intent finishOtherTasksWithData(Uri data, int canonicalTaskId) {
    if (data == null || Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) return null;

    String dataString = data.toString();
    Context context = ContextUtils.getApplicationContext();

    ActivityManager manager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.AppTask> tasksToFinish = new ArrayList<ActivityManager.AppTask>();
    for (ActivityManager.AppTask task : manager.getAppTasks()) {
        RecentTaskInfo taskInfo = getTaskInfoFromTask(task);
        if (taskInfo == null) continue;
        int taskId = taskInfo.id;

        Intent baseIntent = taskInfo.baseIntent;
        String taskData = baseIntent == null ? null : taskInfo.baseIntent.getDataString();

        if (TextUtils.equals(dataString, taskData)
                && (taskId == -1 || taskId != canonicalTaskId)) {
            tasksToFinish.add(task);
        }
    }
    return finishAndRemoveTasks(tasksToFinish);
}
 

public void testNewDocument_CreatesOverviewEntry() {
    // Given a initialized Activity
    assertNotNull("mDocumentCentricActivity is null", mDocumentCentricActivity);
    final Button createNewDocumentButton = (Button) mDocumentCentricActivity
            .findViewById(R.id.new_document_button);
    assertNotNull(createNewDocumentButton);

    // When "Create new Document" Button is clicked
    TouchUtils.clickView(this, createNewDocumentButton);

    // Then a entry in overview app tasks is created.
    List<ActivityManager.AppTask> recentAppTasks = getRecentAppTasks();
    assertEquals("# of recentAppTasks does not match", 2, recentAppTasks.size());
}
 

/**
 * Finishes all DocumentActivities that appear in Android's Recents.
 */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public void finishAllDocumentActivities() {
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent intent = DocumentUtils.getBaseIntentFromTask(task);
        if (isValidActivity(false, intent) || isValidActivity(true, intent)) {
            task.finishAndRemoveTask();
        }
    }
}
 

private ActivityManager.AppTask getTask(boolean isIncognito, int tabId) {
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent intent = DocumentUtils.getBaseIntentFromTask(task);
        int taskId = getTabIdFromIntent(intent);
        if (taskId == tabId && isValidActivity(isIncognito, intent)) return task;
    }
    return null;
}
 

@Override
public boolean isIncognitoDocumentAccessibleToUser() {
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent intent = DocumentUtils.getBaseIntentFromTask(task);
        if (isValidActivity(true, intent)) return true;
    }
    return false;
}
 

private static Intent finishAndRemoveTasks(List<ActivityManager.AppTask> tasksToFinish) {
    Intent removedIntent = null;
    for (ActivityManager.AppTask task : tasksToFinish) {
        Log.d(TAG, "Removing task with duplicated data: " + task);
        removedIntent = getBaseIntentFromTask(task);
        task.finishAndRemoveTask();
    }
    return removedIntent;
}
 

private boolean startSetupActivityCleanly() {
	// Finish all tasks of Island first to avoid state inconsistency.
	final ActivityManager am = (ActivityManager) getActivity().getSystemService(Context.ACTIVITY_SERVICE);
	if (am != null) {
		final List<ActivityManager.AppTask> tasks = am.getAppTasks();
		if (tasks != null) for (final ActivityManager.AppTask task : tasks) task.finishAndRemoveTask();
	}

	Activities.startActivity(getActivity(), new Intent(getActivity(), SetupActivity.class));
	return true;
}
 

private int getLargestTaskIdFromRecents() {
    int biggestId = Tab.INVALID_TAB_ID;
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        RecentTaskInfo info = DocumentUtils.getTaskInfoFromTask(task);
        if (info == null) continue;
        biggestId = Math.max(biggestId, info.persistentId);
    }
    return biggestId;
}
 

@Override
public boolean isIncognitoDocumentAccessibleToUser() {
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent intent = DocumentUtils.getBaseIntentFromTask(task);
        if (isValidActivity(true, intent)) return true;
    }
    return false;
}
 

private void finishAndRemoveTaskIfInBackground() {
    if (activitiesInStartedState == 0) {
        final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        if (activityManager == null) {
            return;
        }

        for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
            task.finishAndRemoveTask();
        }
    }
}
 

/** If the API allows it, returns whether a Task still exists for the parent Activity. */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private boolean isParentInAndroidOverview() {
    ActivityManager activityManager = (ActivityManager) mTab.getApplicationContext()
            .getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent taskIntent = DocumentUtils.getBaseIntentFromTask(task);
        if (taskIntent != null && taskIntent.filterEquals(mTab.getParentIntent())) {
            return true;
        }
    }
    return false;
}
 

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
public void navToLauncherTask(@Nonnull Context appContext) {
    ActivityManager activityManager = (ActivityManager) appContext.getSystemService(Context.ACTIVITY_SERVICE);
    // iterate app tasks available and navigate to launcher task (browse task)
    final List<ActivityManager.AppTask> appTasks = activityManager.getAppTasks();
    for (ActivityManager.AppTask task : appTasks) {
        final Intent baseIntent = task.getTaskInfo().baseIntent;
        final Set<String> categories = baseIntent.getCategories();
        if (categories != null && categories.contains(Intent.CATEGORY_LAUNCHER)) {
            task.moveToFront();
            return;
        }
    }
}
 

public static void hardRestartApp(Context c) {
    ActivityManager activityManager = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.AppTask task : activityManager.getAppTasks())
        task.finishAndRemoveTask();

    Intent intent = c.getPackageManager().getLaunchIntentForPackage(c.getPackageName());
    c.startActivity(intent);
    System.exit(0);
}
 

public static void softRestartApp(Context c) {
    ActivityManager activityManager = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.AppTask task : activityManager.getAppTasks())
        task.finishAndRemoveTask();

    Intent intent = c.getPackageManager().getLaunchIntentForPackage(c.getPackageName());
    c.startActivity(intent);
}
 

public static String getBaseActivityName(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        ActivityManager.AppTask appTask = getTopTaskAfterL(context);
        if (appTask == null)
            return null;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            return appTask.getTaskInfo().baseActivity.getClassName();
        } else {
            ComponentName componentName = RecoveryStore.getInstance().getBaseActivity();
            return componentName == null ? null : componentName.getClassName();
        }
    } else {
        ActivityManager.RunningTaskInfo taskInfo = getTopTaskBeforeL(context);
        if (taskInfo == null)
            return null;
        return taskInfo.baseActivity.getClassName();
    }
}
 

public void testNewDocument_CreatesOverviewEntry() {
    // Given a initialized Activity
    assertNotNull("mDocumentCentricActivity is null", mDocumentCentricActivity);
    final Button createNewDocumentButton = (Button) mDocumentCentricActivity
            .findViewById(R.id.new_document_button);
    assertNotNull(createNewDocumentButton);

    // When "Create new Document" Button is clicked
    TouchUtils.clickView(this, createNewDocumentButton);

    // Then a entry in overview app tasks is created.
    List<ActivityManager.AppTask> recentAppTasks = getRecentAppTasks();
    assertEquals("# of recentAppTasks does not match", 2, recentAppTasks.size());
}
 

private List<ActivityManager.AppTask> getRecentAppTasks() {
    ActivityManager activityManager = (ActivityManager) getInstrumentation().getTargetContext()
            .getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.AppTask> appTasks = activityManager.getAppTasks();
    return appTasks;
}
 

private List<ActivityManager.AppTask> getRecentAppTasks() {
    ActivityManager activityManager = (ActivityManager) getInstrumentation().getTargetContext()
            .getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.AppTask> appTasks = activityManager.getAppTasks();
    return appTasks;
}