libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/startingsurface/StartingSurfaceDrawerTests.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2020 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.wm.shell.startingsurface;

 import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
 import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
 import static android.window.StartingWindowInfo.STARTING_WINDOW_TYPE_SPLASH_SCREEN;

 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spy;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;

 import android.app.ActivityManager;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.graphics.ColorSpace;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.hardware.HardwareBuffer;
 import android.net.Uri;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.UserHandle;
 import android.testing.TestableContext;
 import android.view.IWindowSession;
 import android.view.InsetsState;
 import android.view.Surface;
 import android.view.SurfaceControl;
 import android.view.View;
 import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
 import android.view.WindowMetrics;
 import android.window.StartingWindowInfo;
 import android.window.TaskSnapshot;

 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.SmallTest;
 import androidx.test.platform.app.InstrumentationRegistry;

 import com.android.wm.shell.common.HandlerExecutor;
 import com.android.wm.shell.common.ShellExecutor;
 import com.android.wm.shell.common.TransactionPool;

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

 import java.util.function.IntSupplier;

 /**
  * Tests for the starting surface drawer.
  */
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class StartingSurfaceDrawerTests {
     @Mock
     private IBinder mBinder;
     @Mock
     private WindowManager mMockWindowManager;
     @Mock
     private TransactionPool mTransactionPool;

     private final Handler mTestHandler = new Handler(Looper.getMainLooper());
     private ShellExecutor mTestExecutor;
     private final TestableContext mTestContext = new TestContext(
             InstrumentationRegistry.getInstrumentation().getTargetContext());
     TestStartingSurfaceDrawer mStartingSurfaceDrawer;

     static final class TestStartingSurfaceDrawer extends StartingSurfaceDrawer{
         int mAddWindowForTask = 0;

         TestStartingSurfaceDrawer(Context context, ShellExecutor splashScreenExecutor,
                 TransactionPool pool) {
             super(context, splashScreenExecutor, pool);
         }

         @Override
         protected boolean addWindow(int taskId, IBinder appToken,
                 View view, WindowManager wm, WindowManager.LayoutParams params, int suggestType) {
             // listen for addView
             mAddWindowForTask = taskId;
             // Do not wait for background color
             return false;
         }

         @Override
         protected void removeWindowSynced(int taskId, SurfaceControl leash, Rect frame,
                 boolean playRevealAnimation) {
             // listen for removeView
             if (mAddWindowForTask == taskId) {
                 mAddWindowForTask = 0;
             }
         }
     }

     private static class TestContext extends TestableContext {
         TestContext(Context context) {
             super(context);
         }

         @Override
         public Context createPackageContextAsUser(String packageName, int flags, UserHandle user)
                 throws PackageManager.NameNotFoundException {
             return this;
         }

         @Override
         public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user,
                 IntentFilter filter, String broadcastPermission, Handler scheduler) {
             return null;
         }
     }

     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         final WindowManager realWindowManager = mTestContext.getSystemService(WindowManager.class);
         final WindowMetrics metrics = realWindowManager.getMaximumWindowMetrics();
         mTestContext.addMockSystemService(WindowManager.class, mMockWindowManager);

         doReturn(metrics).when(mMockWindowManager).getMaximumWindowMetrics();
         doNothing().when(mMockWindowManager).addView(any(), any());
         mTestExecutor = new HandlerExecutor(mTestHandler);
         mStartingSurfaceDrawer = spy(
                 new TestStartingSurfaceDrawer(mTestContext, mTestExecutor, mTransactionPool));
     }

     @Test
     public void testAddSplashScreenSurface() {
         final int taskId = 1;
         final StartingWindowInfo windowInfo =
                 createWindowInfo(taskId, android.R.style.Theme);
         mStartingSurfaceDrawer.addSplashScreenStartingWindow(windowInfo, mBinder,
                 STARTING_WINDOW_TYPE_SPLASH_SCREEN);
         waitHandlerIdle(mTestHandler);
         verify(mStartingSurfaceDrawer).addWindow(eq(taskId), eq(mBinder), any(), any(), any(),
                 eq(STARTING_WINDOW_TYPE_SPLASH_SCREEN));
         assertEquals(mStartingSurfaceDrawer.mAddWindowForTask, taskId);

         mStartingSurfaceDrawer.removeStartingWindow(windowInfo.taskInfo.taskId, null, null, false);
         waitHandlerIdle(mTestHandler);
         verify(mStartingSurfaceDrawer).removeWindowSynced(eq(taskId), any(), any(), eq(false));
         assertEquals(mStartingSurfaceDrawer.mAddWindowForTask, 0);
     }

     @Test
     public void testFallbackDefaultTheme() {
         final int taskId = 1;
         final StartingWindowInfo windowInfo =
                 createWindowInfo(taskId, 0);
         final int[] theme = new int[1];
         doAnswer(invocation -> theme[0] = (Integer) invocation.callRealMethod())
                 .when(mStartingSurfaceDrawer).getSplashScreenTheme(eq(0), any());

         mStartingSurfaceDrawer.addSplashScreenStartingWindow(windowInfo, mBinder,
                 STARTING_WINDOW_TYPE_SPLASH_SCREEN);
         waitHandlerIdle(mTestHandler);
         verify(mStartingSurfaceDrawer).getSplashScreenTheme(eq(0), any());
         assertNotEquals(theme[0], 0);
     }

     @Test
     public void testColorCache() {
         final String packageName = mTestContext.getPackageName();
         final int configHash = 1;
         final int windowBgColor = 0xff000000;
         final int windowBgResId = 1;
         final IntSupplier windowBgColorSupplier = () -> windowBgColor;
         final SplashscreenContentDrawer.ColorCache colorCache =
                 mStartingSurfaceDrawer.mSplashscreenContentDrawer.mColorCache;
         final SplashscreenContentDrawer.ColorCache.WindowColor windowColor1 =
                 colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
                         windowBgColorSupplier);
         assertEquals(windowBgColor, windowColor1.mBgColor);
         assertEquals(0, windowColor1.mReuseCount);

         final SplashscreenContentDrawer.ColorCache.WindowColor windowColor2 =
                 colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
                         windowBgColorSupplier);
         assertEquals(windowColor1, windowColor2);
         assertEquals(1, windowColor1.mReuseCount);

         final Intent packageRemoved = new Intent(Intent.ACTION_PACKAGE_REMOVED);
         packageRemoved.setData(Uri.parse("package:" + packageName));
         colorCache.onReceive(mTestContext, packageRemoved);

         final SplashscreenContentDrawer.ColorCache.WindowColor windowColor3 =
                 colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
                         windowBgColorSupplier);
         assertEquals(0, windowColor3.mReuseCount);
     }

     @Test
     public void testRemoveTaskSnapshotWithImeSurfaceWhenOnImeDrawn() throws Exception {
         final int taskId = 1;
         final StartingWindowInfo windowInfo =
                 createWindowInfo(taskId, android.R.style.Theme);
         TaskSnapshot snapshot = createTaskSnapshot(100, 100, new Point(100, 100),
                 new Rect(0, 0, 0, 50), true /* hasImeSurface */);
         final IWindowSession session = WindowManagerGlobal.getWindowSession();
         spyOn(session);
         doReturn(WindowManagerGlobal.ADD_OKAY).when(session).addToDisplay(
                 any() /* window */, any() /* attrs */,
                 anyInt() /* viewVisibility */, anyInt() /* displayId */,
                 any() /* requestedVisibility */, any() /* outInputChannel */,
                 any() /* outInsetsState */, any() /* outActiveControls */);
         TaskSnapshotWindow mockSnapshotWindow = TaskSnapshotWindow.create(windowInfo,
                 mBinder,
                 snapshot, mTestExecutor, () -> {
                 });
         spyOn(mockSnapshotWindow);
         try (AutoCloseable mockTaskSnapshotSession = new AutoCloseable() {
             MockitoSession mockSession = mockitoSession()
                     .initMocks(this)
                     .mockStatic(TaskSnapshotWindow.class)
                     .startMocking();
             @Override
             public void close() {
                 mockSession.finishMocking();
             }
         }) {
             when(TaskSnapshotWindow.create(eq(windowInfo), eq(mBinder), eq(snapshot), any(),
                     any())).thenReturn(mockSnapshotWindow);
             // Simulate a task snapshot window created with IME snapshot shown.
             mStartingSurfaceDrawer.makeTaskSnapshotWindow(windowInfo, mBinder, snapshot);
             waitHandlerIdle(mTestHandler);

             // Verify the task snapshot with IME snapshot will be removed when received the real IME
             // drawn callback.
             mStartingSurfaceDrawer.onImeDrawnOnTask(1);
             verify(mockSnapshotWindow).removeImmediately();
         }
     }

     private StartingWindowInfo createWindowInfo(int taskId, int themeResId) {
         StartingWindowInfo windowInfo = new StartingWindowInfo();
         final ActivityInfo info = new ActivityInfo();
         info.applicationInfo = new ApplicationInfo();
         info.packageName = "test";
         info.theme = themeResId;
         final ActivityManager.RunningTaskInfo taskInfo = new ActivityManager.RunningTaskInfo();
         taskInfo.topActivityInfo = info;
         taskInfo.taskId = taskId;
         windowInfo.targetActivityInfo = info;
         windowInfo.taskInfo = taskInfo;
         windowInfo.topOpaqueWindowInsetsState = new InsetsState();
         windowInfo.mainWindowLayoutParams = new WindowManager.LayoutParams();
         windowInfo.topOpaqueWindowLayoutParams = new WindowManager.LayoutParams();
         return windowInfo;
     }

     private static void waitHandlerIdle(Handler handler) {
         handler.runWithScissors(() -> { }, 0 /* timeout */);
     }

     private TaskSnapshot createTaskSnapshot(int width, int height, Point taskSize,
             Rect contentInsets, boolean hasImeSurface) {
         final HardwareBuffer buffer = HardwareBuffer.create(width, height, HardwareBuffer.RGBA_8888,
                 1, HardwareBuffer.USAGE_CPU_READ_RARELY);
         return new TaskSnapshot(
                 System.currentTimeMillis(),
                 new ComponentName("", ""), buffer,
                 ColorSpace.get(ColorSpace.Named.SRGB), ORIENTATION_PORTRAIT,
                 Surface.ROTATION_0, taskSize, contentInsets, false,
                 true /* isRealSnapshot */, WINDOWING_MODE_FULLSCREEN,
                 0 /* systemUiVisibility */, false /* isTranslucent */,
                 hasImeSurface /* hasImeSurface */);
     }
 }
	/*
	* Copyright (C) 2020 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.wm.shell.startingsurface;

	import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
	import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
	import static android.window.StartingWindowInfo.STARTING_WINDOW_TYPE_SPLASH_SCREEN;

	import static com.android.dx.mockito.inline.extended.ExtendedMockito.doNothing;
	import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
	import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
	import static com.android.dx.mockito.inline.extended.ExtendedMockito.spy;
	import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNotEquals;
	import static org.mockito.ArgumentMatchers.any;
	import static org.mockito.ArgumentMatchers.anyInt;
	import static org.mockito.ArgumentMatchers.eq;
	import static org.mockito.Mockito.doAnswer;
	import static org.mockito.Mockito.verify;
	import static org.mockito.Mockito.when;

	import android.app.ActivityManager;
	import android.content.BroadcastReceiver;
	import android.content.ComponentName;
	import android.content.Context;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.content.pm.ActivityInfo;
	import android.content.pm.ApplicationInfo;
	import android.content.pm.PackageManager;
	import android.graphics.ColorSpace;
	import android.graphics.Point;
	import android.graphics.Rect;
	import android.hardware.HardwareBuffer;
	import android.net.Uri;
	import android.os.Handler;
	import android.os.IBinder;
	import android.os.Looper;
	import android.os.UserHandle;
	import android.testing.TestableContext;
	import android.view.IWindowSession;
	import android.view.InsetsState;
	import android.view.Surface;
	import android.view.SurfaceControl;
	import android.view.View;
	import android.view.WindowManager;
	import android.view.WindowManagerGlobal;
	import android.view.WindowMetrics;
	import android.window.StartingWindowInfo;
	import android.window.TaskSnapshot;

	import androidx.test.ext.junit.runners.AndroidJUnit4;
	import androidx.test.filters.SmallTest;
	import androidx.test.platform.app.InstrumentationRegistry;

	import com.android.wm.shell.common.HandlerExecutor;
	import com.android.wm.shell.common.ShellExecutor;
	import com.android.wm.shell.common.TransactionPool;

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

	import java.util.function.IntSupplier;

	/**
	* Tests for the starting surface drawer.
	*/
	@SmallTest
	@RunWith(AndroidJUnit4.class)
	public class StartingSurfaceDrawerTests {
	@Mock
	private IBinder mBinder;
	@Mock
	private WindowManager mMockWindowManager;
	@Mock
	private TransactionPool mTransactionPool;

	private final Handler mTestHandler = new Handler(Looper.getMainLooper());
	private ShellExecutor mTestExecutor;
	private final TestableContext mTestContext = new TestContext(
	InstrumentationRegistry.getInstrumentation().getTargetContext());
	TestStartingSurfaceDrawer mStartingSurfaceDrawer;

	static final class TestStartingSurfaceDrawer extends StartingSurfaceDrawer{
	int mAddWindowForTask = 0;

	TestStartingSurfaceDrawer(Context context, ShellExecutor splashScreenExecutor,
	TransactionPool pool) {
	super(context, splashScreenExecutor, pool);
	}

	@Override
	protected boolean addWindow(int taskId, IBinder appToken,
	View view, WindowManager wm, WindowManager.LayoutParams params, int suggestType) {
	// listen for addView
	mAddWindowForTask = taskId;
	// Do not wait for background color
	return false;
	}

	@Override
	protected void removeWindowSynced(int taskId, SurfaceControl leash, Rect frame,
	boolean playRevealAnimation) {
	// listen for removeView
	if (mAddWindowForTask == taskId) {
	mAddWindowForTask = 0;
	}
	}
	}

	private static class TestContext extends TestableContext {
	TestContext(Context context) {
	super(context);
	}

	@Override
	public Context createPackageContextAsUser(String packageName, int flags, UserHandle user)
	throws PackageManager.NameNotFoundException {
	return this;
	}

	@Override
	public Intent registerReceiverAsUser(BroadcastReceiver receiver, UserHandle user,
	IntentFilter filter, String broadcastPermission, Handler scheduler) {
	return null;
	}
	}

	@Before
	public void setUp() {
	MockitoAnnotations.initMocks(this);
	final WindowManager realWindowManager = mTestContext.getSystemService(WindowManager.class);
	final WindowMetrics metrics = realWindowManager.getMaximumWindowMetrics();
	mTestContext.addMockSystemService(WindowManager.class, mMockWindowManager);

	doReturn(metrics).when(mMockWindowManager).getMaximumWindowMetrics();
	doNothing().when(mMockWindowManager).addView(any(), any());
	mTestExecutor = new HandlerExecutor(mTestHandler);
	mStartingSurfaceDrawer = spy(
	new TestStartingSurfaceDrawer(mTestContext, mTestExecutor, mTransactionPool));
	}

	@Test
	public void testAddSplashScreenSurface() {
	final int taskId = 1;
	final StartingWindowInfo windowInfo =
	createWindowInfo(taskId, android.R.style.Theme);
	mStartingSurfaceDrawer.addSplashScreenStartingWindow(windowInfo, mBinder,
	STARTING_WINDOW_TYPE_SPLASH_SCREEN);
	waitHandlerIdle(mTestHandler);
	verify(mStartingSurfaceDrawer).addWindow(eq(taskId), eq(mBinder), any(), any(), any(),
	eq(STARTING_WINDOW_TYPE_SPLASH_SCREEN));
	assertEquals(mStartingSurfaceDrawer.mAddWindowForTask, taskId);

	mStartingSurfaceDrawer.removeStartingWindow(windowInfo.taskInfo.taskId, null, null, false);
	waitHandlerIdle(mTestHandler);
	verify(mStartingSurfaceDrawer).removeWindowSynced(eq(taskId), any(), any(), eq(false));
	assertEquals(mStartingSurfaceDrawer.mAddWindowForTask, 0);
	}

	@Test
	public void testFallbackDefaultTheme() {
	final int taskId = 1;
	final StartingWindowInfo windowInfo =
	createWindowInfo(taskId, 0);
	final int[] theme = new int[1];
	doAnswer(invocation -> theme[0] = (Integer) invocation.callRealMethod())
	.when(mStartingSurfaceDrawer).getSplashScreenTheme(eq(0), any());

	mStartingSurfaceDrawer.addSplashScreenStartingWindow(windowInfo, mBinder,
	STARTING_WINDOW_TYPE_SPLASH_SCREEN);
	waitHandlerIdle(mTestHandler);
	verify(mStartingSurfaceDrawer).getSplashScreenTheme(eq(0), any());
	assertNotEquals(theme[0], 0);
	}

	@Test
	public void testColorCache() {
	final String packageName = mTestContext.getPackageName();
	final int configHash = 1;
	final int windowBgColor = 0xff000000;
	final int windowBgResId = 1;
	final IntSupplier windowBgColorSupplier = () -> windowBgColor;
	final SplashscreenContentDrawer.ColorCache colorCache =
	mStartingSurfaceDrawer.mSplashscreenContentDrawer.mColorCache;
	final SplashscreenContentDrawer.ColorCache.WindowColor windowColor1 =
	colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
	windowBgColorSupplier);
	assertEquals(windowBgColor, windowColor1.mBgColor);
	assertEquals(0, windowColor1.mReuseCount);

	final SplashscreenContentDrawer.ColorCache.WindowColor windowColor2 =
	colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
	windowBgColorSupplier);
	assertEquals(windowColor1, windowColor2);
	assertEquals(1, windowColor1.mReuseCount);

	final Intent packageRemoved = new Intent(Intent.ACTION_PACKAGE_REMOVED);
	packageRemoved.setData(Uri.parse("package:" + packageName));
	colorCache.onReceive(mTestContext, packageRemoved);

	final SplashscreenContentDrawer.ColorCache.WindowColor windowColor3 =
	colorCache.getWindowColor(packageName, configHash, windowBgColor, windowBgResId,
	windowBgColorSupplier);
	assertEquals(0, windowColor3.mReuseCount);
	}

	@Test
	public void testRemoveTaskSnapshotWithImeSurfaceWhenOnImeDrawn() throws Exception {
	final int taskId = 1;
	final StartingWindowInfo windowInfo =
	createWindowInfo(taskId, android.R.style.Theme);
	TaskSnapshot snapshot = createTaskSnapshot(100, 100, new Point(100, 100),
	new Rect(0, 0, 0, 50), true /* hasImeSurface */);
	final IWindowSession session = WindowManagerGlobal.getWindowSession();
	spyOn(session);
	doReturn(WindowManagerGlobal.ADD_OKAY).when(session).addToDisplay(
	any() /* window /, any() / attrs */,
	anyInt() /* viewVisibility /, anyInt() / displayId */,
	any() /* requestedVisibility /, any() / outInputChannel */,
	any() /* outInsetsState /, any() / outActiveControls */);
	TaskSnapshotWindow mockSnapshotWindow = TaskSnapshotWindow.create(windowInfo,
	mBinder,
	snapshot, mTestExecutor, () -> {
	});
	spyOn(mockSnapshotWindow);
	try (AutoCloseable mockTaskSnapshotSession = new AutoCloseable() {
	MockitoSession mockSession = mockitoSession()
	.initMocks(this)
	.mockStatic(TaskSnapshotWindow.class)
	.startMocking();
	@Override
	public void close() {
	mockSession.finishMocking();
	}
	}) {
	when(TaskSnapshotWindow.create(eq(windowInfo), eq(mBinder), eq(snapshot), any(),
	any())).thenReturn(mockSnapshotWindow);
	// Simulate a task snapshot window created with IME snapshot shown.
	mStartingSurfaceDrawer.makeTaskSnapshotWindow(windowInfo, mBinder, snapshot);
	waitHandlerIdle(mTestHandler);

	// Verify the task snapshot with IME snapshot will be removed when received the real IME
	// drawn callback.
	mStartingSurfaceDrawer.onImeDrawnOnTask(1);
	verify(mockSnapshotWindow).removeImmediately();
	}
	}

	private StartingWindowInfo createWindowInfo(int taskId, int themeResId) {
	StartingWindowInfo windowInfo = new StartingWindowInfo();
	final ActivityInfo info = new ActivityInfo();
	info.applicationInfo = new ApplicationInfo();
	info.packageName = "test";
	info.theme = themeResId;
	final ActivityManager.RunningTaskInfo taskInfo = new ActivityManager.RunningTaskInfo();
	taskInfo.topActivityInfo = info;
	taskInfo.taskId = taskId;
	windowInfo.targetActivityInfo = info;
	windowInfo.taskInfo = taskInfo;
	windowInfo.topOpaqueWindowInsetsState = new InsetsState();
	windowInfo.mainWindowLayoutParams = new WindowManager.LayoutParams();
	windowInfo.topOpaqueWindowLayoutParams = new WindowManager.LayoutParams();
	return windowInfo;
	}

	private static void waitHandlerIdle(Handler handler) {
	handler.runWithScissors(() -> { }, 0 /* timeout */);
	}

	private TaskSnapshot createTaskSnapshot(int width, int height, Point taskSize,
	Rect contentInsets, boolean hasImeSurface) {
	final HardwareBuffer buffer = HardwareBuffer.create(width, height, HardwareBuffer.RGBA_8888,
	1, HardwareBuffer.USAGE_CPU_READ_RARELY);
	return new TaskSnapshot(
	System.currentTimeMillis(),
	new ComponentName("", ""), buffer,
	ColorSpace.get(ColorSpace.Named.SRGB), ORIENTATION_PORTRAIT,
	Surface.ROTATION_0, taskSize, contentInsets, false,
	true /* isRealSnapshot */, WINDOWING_MODE_FULLSCREEN,
	0 /* systemUiVisibility /, false / isTranslucent */,
	hasImeSurface /* hasImeSurface */);
	}
	}