Strip extenders on android go devices. (8a3b4597) · Commits · e / os / android_frameworks_base

core/java/android/app/Notification.java

+12 −5

Original line number	Diff line number	Diff line
		@@ -4937,7 +4937,6 @@ public class Notification implements Parcelable
		if (mStyle != null) {
		mStyle.buildStyled(mN);
		}

		if (mContext.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.N
		&& (useExistingRemoteView())) {
		if (mN.contentView == null) {
		@@ -4980,18 +4979,20 @@ public class Notification implements Parcelable

		/**
		* Removes RemoteViews that were created for compatibility from {@param n}, if they did not
		* change.
		* change. Also removes extenders on low ram devices, as
		* {@link android.service.notification.NotificationListenerService} services are disabled.
		*
		* @return {@param n}, if no stripping is needed, otherwise a stripped clone of {@param n}.
		*
		* @hide
		*/
		public static Notification maybeCloneStrippedForDelivery(Notification n) {
		public static Notification maybeCloneStrippedForDelivery(Notification n, boolean isLowRam) {
		String templateClass = n.extras.getString(EXTRA_TEMPLATE);

		// Only strip views for known Styles because we won't know how to
		// re-create them otherwise.
		if (!TextUtils.isEmpty(templateClass)
		if (!isLowRam
		&& !TextUtils.isEmpty(templateClass)
		&& getNotificationStyleClass(templateClass) == null) {
		return n;
		}
		@@ -5008,7 +5009,8 @@ public class Notification implements Parcelable
		n.headsUpContentView.getSequenceNumber();

		// Nothing to do here, no need to clone.
		if (!stripContentView && !stripBigContentView && !stripHeadsUpContentView) {
		if (!isLowRam
		&& !stripContentView && !stripBigContentView && !stripHeadsUpContentView) {
		return n;
		}

		@@ -5025,6 +5027,11 @@ public class Notification implements Parcelable
		clone.headsUpContentView = null;
		clone.extras.remove(EXTRA_REBUILD_HEADS_UP_CONTENT_VIEW_ACTION_COUNT);
		}
		if (isLowRam) {
		clone.extras.remove(Notification.TvExtender.EXTRA_TV_EXTENDER);
		clone.extras.remove(WearableExtender.EXTRA_WEARABLE_EXTENSIONS);
		clone.extras.remove(CarExtender.EXTRA_CAR_EXTENDER);
		}
		return clone;
		}

core/java/android/app/NotificationManager.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -307,7 +307,9 @@ public class NotificationManager {
		}
		}
		if (localLOGV) Log.v(TAG, pkg + ": notify(" + id + ", " + notification + ")");
		final Notification copy = Builder.maybeCloneStrippedForDelivery(notification);
		ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
		boolean isLowRam = am.isLowRamDevice();
		final Notification copy = Builder.maybeCloneStrippedForDelivery(notification, isLowRam);
		try {
		service.enqueueNotificationWithTag(pkg, mContext.getOpPackageName(), tag, id,
		copy, user.getIdentifier());

services/tests/notification/src/com/android/server/notification/NotificationTest.java

0 → 100644

+114 −0

Original line number	Diff line number	Diff line
		/*
		* 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 com.android.server.notification;

		import static junit.framework.Assert.assertEquals;
		import static junit.framework.Assert.assertNotNull;
		import static junit.framework.Assert.assertNull;

		import static org.junit.Assert.assertTrue;
		import static org.mockito.Mockito.spy;
		import static org.mockito.Mockito.when;

		import android.app.ActivityManager;
		import android.app.Notification;
		import android.content.Context;
		import android.content.pm.ApplicationInfo;
		import android.graphics.Color;
		import android.os.Build;
		import android.support.test.filters.SmallTest;
		import android.support.test.runner.AndroidJUnit4;

		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;

		@RunWith(AndroidJUnit4.class)
		@SmallTest
		public class NotificationTest extends NotificationTestCase {

		@Mock
		ActivityManager mAm;

		@Before
		public void setUp() {
		MockitoAnnotations.initMocks(this);
		}

		@Test
		public void testStripsExtendersInLowRamMode() {
		Notification.Builder nb = new Notification.Builder(mContext, "channel");
		nb.extend(new Notification.CarExtender().setColor(Color.RED));
		nb.extend(new Notification.TvExtender().setChannelId("different channel"));
		nb.extend(new Notification.WearableExtender().setDismissalId("dismiss"));
		Notification before = nb.build();

		Notification after = Notification.Builder.maybeCloneStrippedForDelivery(before, true);

		assertEquals("different channel", new Notification.TvExtender(before).getChannelId());
		assertNull(new Notification.TvExtender(after).getChannelId());

		assertEquals(Color.RED, new Notification.CarExtender(before).getColor());
		assertEquals(Notification.COLOR_DEFAULT, new Notification.CarExtender(after).getColor());

		assertEquals("dismiss", new Notification.WearableExtender(before).getDismissalId());
		assertNull(new Notification.WearableExtender(after).getDismissalId());
		}

		@Test
		public void testStripsRemoteViewsInLowRamMode() {
		Context context = spy(getContext());
		ApplicationInfo ai = new ApplicationInfo();
		ai.targetSdkVersion = Build.VERSION_CODES.M;
		when(context.getApplicationInfo()).thenReturn(ai);

		final Notification.BigTextStyle style = new Notification.BigTextStyle()
		.bigText("hello")
		.setSummaryText("And the summary");
		Notification before = new Notification.Builder(context, "channel")
		.setContentText("hi")
		.setStyle(style)
		.build();

		Notification after = Notification.Builder.maybeCloneStrippedForDelivery(before, true);
		assertNotNull(before.contentView);
		assertNotNull(before.bigContentView);
		assertNotNull(before.headsUpContentView);
		assertNull(after.contentView);
		assertNull(after.bigContentView);
		assertNull(after.headsUpContentView);
		}

		@Test
		public void testDoesNotStripsExtendersInNormalRamMode() {
		Notification.Builder nb = new Notification.Builder(mContext, "channel");
		nb.extend(new Notification.CarExtender().setColor(Color.RED));
		nb.extend(new Notification.TvExtender().setChannelId("different channel"));
		nb.extend(new Notification.WearableExtender().setDismissalId("dismiss"));
		Notification before = nb.build();
		Notification after = Notification.Builder.maybeCloneStrippedForDelivery(before, false);

		assertTrue(before == after);

		assertEquals("different channel", new Notification.TvExtender(before).getChannelId());
		assertEquals(Color.RED, new Notification.CarExtender(before).getColor());
		assertEquals("dismiss", new Notification.WearableExtender(before).getDismissalId());
		}
		}