| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package android.server.wm; |
| |
| import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERCEPTIBLE; |
| import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_PERCEPTIBLE_PRE_26; |
| import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE; |
| import static android.content.Context.BIND_ALLOW_OOM_MANAGEMENT; |
| import static android.content.Context.BIND_AUTO_CREATE; |
| import static android.content.Context.BIND_NOT_FOREGROUND; |
| import static android.server.wm.alertwindowappsdk25.Components.SDK25_ALERT_WINDOW_TEST_ACTIVITY; |
| import static android.server.wm.alertwindowservice.Components.ALERT_WINDOW_SERVICE; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import android.app.ActivityManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.res.Configuration; |
| import android.content.ServiceConnection; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.SystemClock; |
| import android.platform.test.annotations.AppModeFull; |
| import android.platform.test.annotations.Presubmit; |
| import android.server.wm.alertwindowservice.AlertWindowService; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.util.Log; |
| |
| import com.android.compatibility.common.util.SystemUtil; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.ToIntFunction; |
| |
| /** |
| * Build/Install/Run: |
| * atest CtsWindowManagerDeviceTestCases:AlertWindowsImportanceTests |
| */ |
| @Presubmit |
| @RunWith(AndroidJUnit4.class) |
| public final class AlertWindowsImportanceTests { |
| |
| private static final String TAG = "AlertWindowsTests"; |
| |
| private static final boolean DEBUG = false; |
| private static final long WAIT_TIME_MS = 2 * 1000; |
| |
| private Messenger mService; |
| private String mServicePackageName; |
| |
| private ActivityManager mAm; |
| private ActivityManager mAm25; // ActivityManager created for an SDK 25 app context. |
| |
| private final Messenger mMessenger = new Messenger(new IncomingHandler(Looper.getMainLooper())); |
| private final Object mAddedLock = new Object(); |
| private final Object mRemoveLock = new Object(); |
| |
| @Before |
| public void setUp() throws Exception { |
| if (DEBUG) Log.e(TAG, "setUp"); |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| |
| mAm = context.getSystemService(ActivityManager.class); |
| mAm25 = context.createPackageContext(SDK25_ALERT_WINDOW_TEST_ACTIVITY.getPackageName(), 0) |
| .getSystemService(ActivityManager.class); |
| |
| final Intent intent = new Intent() |
| .setComponent(ALERT_WINDOW_SERVICE) |
| .putExtra(AlertWindowService.EXTRA_MESSENGER, mMessenger); |
| // Needs to be both BIND_NOT_FOREGROUND and BIND_ALLOW_OOM_MANAGEMENT to avoid the binding |
| // to this instrumentation test from increasing its importance. |
| context.bindService(intent, mConnection, |
| BIND_AUTO_CREATE | BIND_NOT_FOREGROUND | BIND_ALLOW_OOM_MANAGEMENT); |
| synchronized (mConnection) { |
| // Wait for alert window service to be connection before processing. |
| mConnection.wait(WAIT_TIME_MS); |
| } |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (DEBUG) Log.e(TAG, "tearDown"); |
| if (mService != null) { |
| mService.send(Message.obtain(null, AlertWindowService.MSG_REMOVE_ALL_ALERT_WINDOWS)); |
| } |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| context.unbindService(mConnection); |
| mAm = null; |
| mAm25 = null; |
| } |
| |
| @Test |
| @AppModeFull(reason = "Uses apps targeting older SDK") |
| public void testAlertWindowOomAdj() throws Exception { |
| // Alert windows are always hidden when running in VR. |
| if (isRunningInVR()) { |
| return; |
| } |
| setAlertWindowPermission(true /* allow */); |
| |
| assertPackageImportance(IMPORTANCE_PERCEPTIBLE, IMPORTANCE_PERCEPTIBLE_PRE_26); |
| |
| // TODO AM.getUidImportance() sometimes return a different value from what |
| // getPackageImportance() returns... b/37950472 |
| // assertUidImportance(IMPORTANCE_PERCEPTIBLE, IMPORTANCE_PERCEPTIBLE_PRE_26); |
| |
| addAlertWindow(); |
| // Process importance should be increased to visible when the service has an alert window. |
| assertPackageImportance(IMPORTANCE_VISIBLE, IMPORTANCE_VISIBLE); |
| |
| addAlertWindow(); |
| assertPackageImportance(IMPORTANCE_VISIBLE, IMPORTANCE_VISIBLE); |
| |
| setAlertWindowPermission(false /* allow */); |
| // Process importance should no longer be visible since its alert windows are not allowed to |
| // be visible. |
| assertPackageImportance(IMPORTANCE_PERCEPTIBLE, IMPORTANCE_PERCEPTIBLE_PRE_26); |
| |
| setAlertWindowPermission(true /* allow */); |
| // They can show again so importance should be visible again. |
| assertPackageImportance(IMPORTANCE_VISIBLE, IMPORTANCE_VISIBLE); |
| |
| removeAlertWindow(); |
| assertPackageImportance(IMPORTANCE_VISIBLE, IMPORTANCE_VISIBLE); |
| |
| removeAlertWindow(); |
| // Process importance should no longer be visible when the service no longer as alert |
| // windows. |
| assertPackageImportance(IMPORTANCE_PERCEPTIBLE, IMPORTANCE_PERCEPTIBLE_PRE_26); |
| } |
| |
| private void addAlertWindow() throws Exception { |
| mService.send(Message.obtain(null, AlertWindowService.MSG_ADD_ALERT_WINDOW)); |
| synchronized (mAddedLock) { |
| // Wait for window addition confirmation before proceeding. |
| mAddedLock.wait(WAIT_TIME_MS); |
| } |
| } |
| |
| private void removeAlertWindow() throws Exception { |
| mService.send(Message.obtain(null, AlertWindowService.MSG_REMOVE_ALERT_WINDOW)); |
| synchronized (mRemoveLock) { |
| // Wait for window removal confirmation before proceeding. |
| mRemoveLock.wait(WAIT_TIME_MS); |
| } |
| } |
| |
| private void setAlertWindowPermission(boolean allow) throws Exception { |
| final String cmd = "appops set " + mServicePackageName |
| + " android:system_alert_window " + (allow ? "allow" : "deny"); |
| SystemUtil.runShellCommand(InstrumentationRegistry.getInstrumentation(), cmd); |
| } |
| |
| private void assertImportance(ToIntFunction<ActivityManager> apiCaller, |
| int expectedForO, int expectedForPreO) throws Exception { |
| final long TIMEOUT = SystemClock.uptimeMillis() + TimeUnit.SECONDS.toMillis(30); |
| int actual; |
| |
| do { |
| // TODO: We should try to use ActivityManagerTest.UidImportanceListener here to listen |
| // for changes in the uid importance. However, the way it is currently structured |
| // doesn't really work for this use case right now... |
| Thread.sleep(500); |
| actual = apiCaller.applyAsInt(mAm); |
| } while (actual != expectedForO && (SystemClock.uptimeMillis() < TIMEOUT)); |
| |
| assertEquals(expectedForO, actual); |
| |
| // Check the result for pre-O apps. |
| assertEquals(expectedForPreO, apiCaller.applyAsInt(mAm25)); |
| } |
| |
| /** |
| * Make sure {@link ActivityManager#getPackageImportance} returns the expected value. |
| */ |
| private void assertPackageImportance(int expectedForO, int expectedForPreO) throws Exception { |
| assertImportance(am -> am.getPackageImportance(mServicePackageName), |
| expectedForO, expectedForPreO); |
| } |
| |
| private final ServiceConnection mConnection = new ServiceConnection() { |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| if (DEBUG) Log.e(TAG, "onServiceConnected"); |
| mService = new Messenger(service); |
| mServicePackageName = name.getPackageName(); |
| synchronized (mConnection) { |
| notifyAll(); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| if (DEBUG) Log.e(TAG, "onServiceDisconnected"); |
| mService = null; |
| mServicePackageName = null; |
| } |
| }; |
| |
| private class IncomingHandler extends Handler { |
| |
| IncomingHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case AlertWindowService.MSG_ON_ALERT_WINDOW_ADDED: |
| synchronized (mAddedLock) { |
| if (DEBUG) Log.e(TAG, "MSG_ON_ALERT_WINDOW_ADDED"); |
| mAddedLock.notifyAll(); |
| } |
| break; |
| case AlertWindowService.MSG_ON_ALERT_WINDOW_REMOVED: |
| synchronized (mRemoveLock) { |
| if (DEBUG) Log.e(TAG, "MSG_ON_ALERT_WINDOW_REMOVED"); |
| mRemoveLock.notifyAll(); |
| } |
| break; |
| default: |
| super.handleMessage(msg); |
| } |
| } |
| } |
| |
| private boolean isRunningInVR() { |
| final Context context = InstrumentationRegistry.getTargetContext(); |
| if ((context.getResources().getConfiguration().uiMode & Configuration.UI_MODE_TYPE_MASK) |
| == Configuration.UI_MODE_TYPE_VR_HEADSET) { |
| return true; |
| } |
| return false; |
| } |
| } |