[DO NOT MERGE] Compatibilize flicker from master to sc-v2-dev

This is necessary to fix  "Unable to save trace file /sdcard/flicker/startRotationServiceTest_layers_trace.winscope" in the library self tests

Bug: 202288112
Bug: 202366188
Bug: 188993244
Test: atest FlickerTests WMShellFlickerTests
Change-Id: I9d6d6025be8b659d2f062771cfbd2f6c0982c2be

libs/WindowManager/Shell/tests/flicker/AndroidManifest.xml

@@ -42,6 +42,9 @@
     <uses-permission android:name="android.permission.MEDIA_CONTENT_CONTROL"/>
     <!-- ATM.removeRootTasksWithActivityTypes() -->
     <uses-permission android:name="android.permission.MANAGE_ACTIVITY_TASKS" />
+    <!-- Enable bubble notification-->
+    <uses-permission android:name="android.permission.STATUS_BAR_SERVICE" />
+
     <!-- Allow the test to write directly to /sdcard/ -->
     <application android:requestLegacyExternalStorage="true">
         <uses-library android:name="android.test.runner"/>

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/apppairs/AppPairsTransition.kt

@@ -20,13 +20,11 @@ import android.app.Instrumentation
 import android.content.Context
 import android.platform.test.annotations.Presubmit
 import android.system.helpers.ActivityHelper
-import android.view.Surface
 import androidx.test.filters.FlakyTest
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.server.wm.flicker.FlickerBuilderProvider
 import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.isRotated
 import com.android.server.wm.flicker.helpers.setRotation
 import com.android.server.wm.flicker.helpers.wakeUpAndGoToHomeScreen
@@ -179,15 +177,9 @@ abstract class AppPairsTransition(protected val testSpec: FlickerTestParameter)
 
     @Presubmit
     @Test
-    open fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(Surface.ROTATION_0,
-            testSpec.config.endRotation)
-    }
+    open fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    open fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(Surface.ROTATION_0,
-            testSpec.config.endRotation)
-    }
+    open fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 }

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/BaseBubbleScreen.kt

@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2021 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.flicker.bubble
+
+import android.app.INotificationManager
+import android.app.Instrumentation
+import android.app.NotificationManager
+import android.content.Context
+import android.os.ServiceManager
+import android.view.Surface
+import androidx.test.filters.FlakyTest
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiObject2
+import androidx.test.uiautomator.Until
+import com.android.server.wm.flicker.FlickerBuilderProvider
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.FlickerTestParameterFactory
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.helpers.SYSTEMUI_PACKAGE
+import com.android.server.wm.flicker.repetitions
+import com.android.wm.shell.flicker.helpers.LaunchBubbleHelper
+import org.junit.Test
+import org.junit.runners.Parameterized
+
+/**
+ * Base configurations for Bubble flicker tests
+ */
+abstract class BaseBubbleScreen(protected val testSpec: FlickerTestParameter) {
+
+    protected val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    protected val context: Context = instrumentation.context
+    protected val testApp = LaunchBubbleHelper(instrumentation)
+
+    protected val notifyManager = INotificationManager.Stub.asInterface(
+            ServiceManager.getService(Context.NOTIFICATION_SERVICE))
+
+    protected val packageManager = context.getPackageManager()
+    protected val uid = packageManager.getApplicationInfo(
+            testApp.component.packageName, 0).uid
+
+    protected lateinit var addBubbleBtn: UiObject2
+    protected lateinit var cancelAllBtn: UiObject2
+
+    protected abstract val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
+
+    @JvmOverloads
+    protected open fun buildTransition(
+        extraSpec: FlickerBuilder.(Map<String, Any?>) -> Unit = {}
+    ): FlickerBuilder.(Map<String, Any?>) -> Unit {
+        return { configuration ->
+
+            setup {
+                test {
+                    notifyManager.setBubblesAllowed(testApp.component.packageName,
+                            uid, NotificationManager.BUBBLE_PREFERENCE_ALL)
+                    testApp.launchViaIntent(wmHelper)
+                    addBubbleBtn = device.wait(Until.findObject(
+                            By.text("Add Bubble")), FIND_OBJECT_TIMEOUT)
+                    cancelAllBtn = device.wait(Until.findObject(
+                            By.text("Cancel All Bubble")), FIND_OBJECT_TIMEOUT)
+                }
+            }
+
+            teardown {
+                notifyManager.setBubblesAllowed(testApp.component.packageName,
+                        uid, NotificationManager.BUBBLE_PREFERENCE_NONE)
+                testApp.exit()
+            }
+
+            extraSpec(this, configuration)
+        }
+    }
+
+    @FlakyTest
+    @Test
+    fun testAppIsAlwaysVisible() {
+        testSpec.assertLayers {
+            this.isVisible(testApp.component)
+        }
+    }
+
+    @FlickerBuilderProvider
+    fun buildFlicker(): FlickerBuilder {
+        return FlickerBuilder(instrumentation).apply {
+            repeat { testSpec.config.repetitions }
+            transition(this, testSpec.config)
+        }
+    }
+
+    companion object {
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): List<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance()
+                    .getConfigNonRotationTests(supportedRotations = listOf(Surface.ROTATION_0),
+                            repetitions = 5)
+        }
+
+        const val FIND_OBJECT_TIMEOUT = 2000L
+        const val SYSTEM_UI_PACKAGE = SYSTEMUI_PACKAGE
+        const val BUBBLE_RES_NAME = "bubble_view"
+    }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/DismissBubbleScreen.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2021 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.flicker.bubble
+
+import android.content.Context
+import android.graphics.Point
+import android.util.DisplayMetrics
+import android.view.WindowManager
+import androidx.test.filters.RequiresDevice
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.Until
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.annotation.Group4
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+/**
+ * Test launching a new activity from bubble.
+ *
+ * To run this test: `atest WMShellFlickerTests:DismissBubbleScreen`
+ *
+ * Actions:
+ *     Dismiss a bubble notification
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@Group4
+class DismissBubbleScreen(testSpec: FlickerTestParameter) : BaseBubbleScreen(testSpec) {
+
+    val wm = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
+    val displaySize = DisplayMetrics()
+
+    override val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
+        get() = buildTransition() {
+            setup {
+                eachRun {
+                    addBubbleBtn?.run { addBubbleBtn.click() } ?: error("Add Bubble not found")
+                }
+            }
+            transitions {
+                wm?.run { wm.getDefaultDisplay().getMetrics(displaySize) } ?: error("WM not found")
+                val dist = Point((displaySize.widthPixels / 2), displaySize.heightPixels)
+                val showBubble = device.wait(Until.findObject(
+                        By.res(SYSTEM_UI_PACKAGE, BUBBLE_RES_NAME)), FIND_OBJECT_TIMEOUT)
+                showBubble?.run { drag(dist, 1000) } ?: error("Show bubble not found")
+            }
+        }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/ExpandBubbleScreen.kt

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2021 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.flicker.bubble
+
+import androidx.test.filters.RequiresDevice
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.Until
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.annotation.Group4
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+/**
+ * Test launching a new activity from bubble.
+ *
+ * To run this test: `atest WMShellFlickerTests:ExpandBubbleScreen`
+ *
+ * Actions:
+ *     Launch an app and enable app's bubble notification
+ *     Send a bubble notification
+ *     The activity for the bubble is launched
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@Group4
+class ExpandBubbleScreen(testSpec: FlickerTestParameter) : BaseBubbleScreen(testSpec) {
+
+    override val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
+        get() = buildTransition() {
+            setup {
+                test {
+                    addBubbleBtn?.run { addBubbleBtn.click() } ?: error("Bubble widget not found")
+                }
+            }
+            transitions {
+                val showBubble = device.wait(Until.findObject(
+                        By.res("com.android.systemui", "bubble_view")), FIND_OBJECT_TIMEOUT)
+                showBubble?.run { showBubble.click() } ?: error("Bubble notify not found")
+                device.pressBack()
+            }
+        }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/LaunchBubbleScreen.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2021 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.flicker.bubble
+
+import androidx.test.filters.RequiresDevice
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.annotation.Group4
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+/**
+ * Test creating a bubble notification
+ *
+ * To run this test: `atest WMShellFlickerTests:LaunchBubbleScreen`
+ *
+ * Actions:
+ *     Launch an app and enable app's bubble notification
+ *     Send a bubble notification
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@Group4
+class LaunchBubbleScreen(testSpec: FlickerTestParameter) : BaseBubbleScreen(testSpec) {
+
+    override val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
+        get() = buildTransition() {
+            transitions {
+                addBubbleBtn?.run { addBubbleBtn.click() } ?: error("Bubble widget not found")
+            }
+        }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/bubble/MultiBubblesScreen.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2021 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.flicker.bubble
+
+import android.os.SystemClock
+import androidx.test.filters.RequiresDevice
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.Until
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.annotation.Group4
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+
+/**
+ * Test launching a new activity from bubble.
+ *
+ * To run this test: `atest WMShellFlickerTests:MultiBubblesScreen`
+ *
+ * Actions:
+ *     Switch in different bubble notifications
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@Group4
+class MultiBubblesScreen(testSpec: FlickerTestParameter) : BaseBubbleScreen(testSpec) {
+
+    override val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
+        get() = buildTransition() {
+            setup {
+                test {
+                    for (i in 1..3) {
+                        addBubbleBtn?.run { addBubbleBtn.click() } ?: error("Add Bubble not found")
+                    }
+                    val showBubble = device.wait(Until.findObject(
+                            By.res(SYSTEM_UI_PACKAGE, BUBBLE_RES_NAME)), FIND_OBJECT_TIMEOUT)
+                    showBubble?.run { showBubble.click() } ?: error("Show bubble not found")
+                    SystemClock.sleep(1000)
+                }
+            }
+            transitions {
+                val bubbles = device.wait(Until.findObjects(
+                        By.res(SYSTEM_UI_PACKAGE, BUBBLE_RES_NAME)), FIND_OBJECT_TIMEOUT)
+                for (entry in bubbles) {
+                    entry?.run { entry.click() } ?: error("Bubble not found")
+                    SystemClock.sleep(1000)
+                }
+            }
+        }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/helpers/LaunchBubbleHelper.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2021 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.flicker.helpers
+
+import android.app.Instrumentation
+import com.android.server.wm.traces.parser.toFlickerComponent
+import com.android.wm.shell.flicker.testapp.Components
+
+class LaunchBubbleHelper(instrumentation: Instrumentation) : BaseAppHelper(
+    instrumentation,
+    Components.LaunchBubbleActivity.LABEL,
+    Components.LaunchBubbleActivity.COMPONENT.toFlickerComponent()
+) {
+
+    companion object {
+        const val TEST_REPETITIONS = 1
+        const val TIMEOUT_MS = 3_000L
+    }
+}

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/LegacySplitScreenToLauncher.kt

@@ -107,13 +107,11 @@ class LegacySplitScreenToLauncher(
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/ResizeLegacySplitScreen.kt

@@ -27,7 +27,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group2
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.entireScreenCovered
 import com.android.server.wm.flicker.helpers.ImeAppHelper
 import com.android.server.wm.flicker.helpers.WindowUtils
@@ -133,12 +132,10 @@ class ResizeLegacySplitScreen(
     fun entireScreenCovered() = testSpec.entireScreenCovered()
 
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Test
-    fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Test
     fun topAppLayerIsAlwaysVisible() {

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/RotateOneLaunchedAppAndEnterSplitScreen.kt

@@ -25,7 +25,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group2
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.launchSplitScreen
 import com.android.server.wm.flicker.helpers.setRotation
 import com.android.server.wm.flicker.navBarLayerRotatesAndScales
@@ -75,15 +74,11 @@ class RotateOneLaunchedAppAndEnterSplitScreen(
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/RotateOneLaunchedAppInSplitScreenMode.kt

@@ -25,7 +25,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group2
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.launchSplitScreen
 import com.android.server.wm.flicker.helpers.setRotation
 import com.android.server.wm.flicker.navBarLayerRotatesAndScales
@@ -74,13 +73,11 @@ class RotateOneLaunchedAppInSplitScreenMode(
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales(
-        testSpec.config.startRotation, testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales(
-        testSpec.config.startRotation, testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/RotateTwoLaunchedAppAndEnterSplitScreen.kt

@@ -24,7 +24,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group2
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.launchSplitScreen
 import com.android.server.wm.flicker.helpers.reopenAppFromOverview
 import com.android.server.wm.flicker.helpers.setRotation
@@ -83,14 +82,11 @@ class RotateTwoLaunchedAppAndEnterSplitScreen(
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales(
-        testSpec.config.startRotation, testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/legacysplitscreen/RotateTwoLaunchedAppInSplitScreenMode.kt

@@ -25,7 +25,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group2
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.launchSplitScreen
 import com.android.server.wm.flicker.helpers.reopenAppFromOverview
 import com.android.server.wm.flicker.helpers.setRotation
@@ -89,15 +88,11 @@ class RotateTwoLaunchedAppInSplitScreenMode(
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @FlakyTest
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/EnterPipToOtherOrientationTest.kt

@@ -111,8 +111,7 @@ class EnterPipToOtherOrientationTest(
      */
     @FlakyTest
     @Test
-    override fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(Surface.ROTATION_90, Surface.ROTATION_0)
+    override fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that the [FlickerComponentName.STATUS_BAR] has the correct position at
@@ -120,8 +119,7 @@ class EnterPipToOtherOrientationTest(
      */
     @Presubmit
     @Test
-    override fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(Surface.ROTATION_90, Surface.ROTATION_0)
+    override fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     /**
      * Checks that all parts of the screen are covered at the start and end of the transition

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithDismissButtonTest.kt

@@ -16,7 +16,6 @@
 
 package com.android.wm.shell.flicker.pip
 
-import android.platform.test.annotations.Postsubmit
 import android.view.Surface
 import androidx.test.filters.RequiresDevice
 import com.android.server.wm.flicker.FlickerParametersRunnerFactory
@@ -25,7 +24,6 @@ import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group3
 import com.android.server.wm.flicker.dsl.FlickerBuilder
 import org.junit.FixMethodOrder
-import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.MethodSorters
 import org.junit.runners.Parameterized
@@ -62,14 +60,6 @@ class ExitPipWithDismissButtonTest(testSpec: FlickerTestParameter) : ExitPipTran
             }
         }
 
-    @Postsubmit
-    @Test
-    override fun pipLayerBecomesInvisible() = super.pipLayerBecomesInvisible()
-
-    @Postsubmit
-    @Test
-    override fun pipWindowBecomesInvisible() = super.pipWindowBecomesInvisible()
-
     companion object {
         /**
          * Creates the test configurations.

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExitPipWithSwipeDownTest.kt

@@ -25,7 +25,6 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group3
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.startRotation
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import org.junit.FixMethodOrder
 import org.junit.Test
@@ -97,8 +96,7 @@ class ExitPipWithSwipeDownTest(testSpec: FlickerTestParameter) : ExitPipTransiti
 
     @Presubmit
     @Test
-    override fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation, Surface.ROTATION_0)
+    override fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/ExpandPipOnDoubleClickTest.kt

@@ -16,7 +16,6 @@
 
 package com.android.wm.shell.flicker.pip
 
-import android.platform.test.annotations.Postsubmit
 import android.platform.test.annotations.Presubmit
 import android.view.Surface
 import androidx.test.filters.FlakyTest
@@ -90,7 +89,7 @@ class ExpandPipOnDoubleClickTest(testSpec: FlickerTestParameter) : PipTransition
     /**
      * Checks [pipApp] window remains visible throughout the animation
      */
-    @Postsubmit
+    @Presubmit
     @Test
     fun pipWindowIsAlwaysVisible() {
         testSpec.assertWm {

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/PipRotationTest.kt

@@ -95,18 +95,14 @@ class PipRotationTest(testSpec: FlickerTestParameter) : PipTransition(testSpec)
      */
     @FlakyTest
     @Test
-    override fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    override fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks the position of the status bar at the start and end of the transition
      */
     @Presubmit
     @Test
-    override fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation,
-            testSpec.config.endRotation)
+    override fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     /**
      * Checks that [fixedApp] layer is within [screenBoundsStart] at the start of the transition

libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/pip/PipTransition.kt

@@ -177,13 +177,11 @@ abstract class PipTransition(protected val testSpec: FlickerTestParameter) {
 
     @Presubmit
     @Test
-    open fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation, Surface.ROTATION_0)
+    open fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    open fun statusBarLayerRotatesScales() =
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation, Surface.ROTATION_0)
+    open fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/AndroidManifest.xml

@@ -107,5 +107,20 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity
+            android:name=".LaunchBubbleActivity"
+            android:label="LaunchBubbleApp"
+            android:exported="true"
+            android:launchMode="singleTop">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <action android:name="android.intent.action.VIEW" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".BubbleActivity"
+            android:label="BubbleApp"
+            android:exported="false"
+            android:resizeableActivity="true" />
     </application>
 </manifest>

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/res/drawable/ic_bubble.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2021 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M7.2,14.4m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0"/>
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M14.8,18m-2,0a2,2 0,1 1,4 0a2,2 0,1 1,-4 0"/>
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15.2,8.8m-4.8,0a4.8,4.8 0,1 1,9.6 0a4.8,4.8 0,1 1,-9.6 0"/>
+</vector>

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/res/drawable/ic_message.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2021 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12,4c-4.97,0 -9,3.58 -9,8c0,1.53 0.49,2.97 1.33,4.18c0.12,0.18 0.2,0.46 0.1,0.66c-0.33,0.68 -0.79,1.52 -1.38,2.39c-0.12,0.17 0.01,0.41 0.21,0.39c0.63,-0.05 1.86,-0.26 3.38,-0.91c0.17,-0.07 0.36,-0.06 0.52,0.03C8.55,19.54 10.21,20 12,20c4.97,0 9,-3.58 9,-8S16.97,4 12,4zM16.94,11.63l-3.29,3.29c-0.13,0.13 -0.34,0.04 -0.34,-0.14v-1.57c0,-0.11 -0.1,-0.21 -0.21,-0.2c-2.19,0.06 -3.65,0.65 -5.14,1.95c-0.15,0.13 -0.38,0 -0.33,-0.19c0.7,-2.57 2.9,-4.57 5.5,-4.75c0.1,-0.01 0.18,-0.09 0.18,-0.19V8.2c0,-0.18 0.22,-0.27 0.34,-0.14l3.29,3.29C17.02,11.43 17.02,11.55 16.94,11.63z"
+      android:fillColor="#000000"
+      android:fillType="evenOdd"/>
+</vector>

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/res/layout/activity_bubble.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2021 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.
+-->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <Button
+        android:id="@+id/button_finish"
+        android:layout_width="wrap_content"
+        android:layout_height="48dp"
+        android:layout_marginStart="8dp"
+        android:text="Finish" />
+    <Button
+        android:id="@+id/button_new_task"
+        android:layout_width="wrap_content"
+        android:layout_height="46dp"
+        android:layout_marginStart="8dp"
+        android:text="New Task" />
+    <Button
+        android:id="@+id/button_new_bubble"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:text="New Bubble" />
+
+    <Button
+        android:id="@+id/button_activity_for_result"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginStart="8dp"
+        android:text="Activity For Result" />
+</LinearLayout>

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/res/layout/activity_main.xml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2021 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.
+-->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@android:color/black">
+
+        <Button
+            android:id="@+id/button_create"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerHorizontal="true"
+            android:layout_centerVertical="true"
+            android:text="Add Bubble" />
+
+        <Button
+            android:id="@+id/button_cancel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/button_create"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="20dp"
+            android:text="Cancel Bubble" />
+
+        <Button
+            android:id="@+id/button_cancel_all"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/button_cancel"
+            android:layout_centerHorizontal="true"
+            android:layout_marginTop="20dp"
+            android:text="Cancel All Bubble" />
+</RelativeLayout>

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/src/com/android/wm/shell/flicker/testapp/BubbleActivity.java

@@ -0,0 +1,77 @@
+/*
+ * 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.flicker.testapp;
+
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Toast;
+
+public class BubbleActivity extends Activity {
+    private int mNotifId = 0;
+
+    public BubbleActivity() {
+        super();
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Intent intent = getIntent();
+        if (intent != null) {
+            mNotifId = intent.getIntExtra(BubbleHelper.EXTRA_BUBBLE_NOTIF_ID, -1);
+        } else {
+            mNotifId = -1;
+        }
+
+        setContentView(R.layout.activity_bubble);
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        String result = resultCode == Activity.RESULT_OK ? "OK" : "CANCELLED";
+        Toast.makeText(this, "Activity result: " + result, Toast.LENGTH_SHORT).show();
+    }
+}

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/src/com/android/wm/shell/flicker/testapp/BubbleHelper.java

@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2021 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.flicker.testapp;
+
+
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Person;
+import android.app.RemoteInput;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Point;
+import android.graphics.drawable.Icon;
+import android.os.SystemClock;
+import android.service.notification.StatusBarNotification;
+import android.view.WindowManager;
+
+import java.util.HashMap;
+
+public class BubbleHelper {
+
+    static final String EXTRA_BUBBLE_NOTIF_ID = "EXTRA_BUBBLE_NOTIF_ID";
+    static final String CHANNEL_ID = "bubbles";
+    static final String CHANNEL_NAME = "Bubbles";
+    static final int DEFAULT_HEIGHT_DP = 300;
+
+    private static BubbleHelper sInstance;
+
+    private final Context mContext;
+    private NotificationManager mNotificationManager;
+    private float mDisplayHeight;
+
+    private HashMap<Integer, BubbleInfo> mBubbleMap = new HashMap<>();
+
+    private int mNextNotifyId = 0;
+    private int mColourIndex = 0;
+
+    public static class BubbleInfo {
+        public int id;
+        public int height;
+        public Icon icon;
+
+        public BubbleInfo(int id, int height, Icon icon) {
+            this.id = id;
+            this.height = height;
+            this.icon = icon;
+        }
+    }
+
+    public static BubbleHelper getInstance(Context context) {
+        if (sInstance == null) {
+            sInstance = new BubbleHelper(context);
+        }
+        return sInstance;
+    }
+
+    private BubbleHelper(Context context) {
+        mContext = context;
+        mNotificationManager = context.getSystemService(NotificationManager.class);
+
+        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
+                NotificationManager.IMPORTANCE_DEFAULT);
+        channel.setDescription("Channel that posts bubbles");
+        channel.setAllowBubbles(true);
+        mNotificationManager.createNotificationChannel(channel);
+
+        Point p = new Point();
+        WindowManager wm = context.getSystemService(WindowManager.class);
+        wm.getDefaultDisplay().getRealSize(p);
+        mDisplayHeight = p.y;
+
+    }
+
+      private int getNextNotifyId() {
+        int id = mNextNotifyId;
+        mNextNotifyId++;
+        return id;
+    }
+
+    private Icon getIcon() {
+        return Icon.createWithResource(mContext, R.drawable.bg);
+    }
+
+    public int addNewBubble(boolean autoExpand, boolean suppressNotif) {
+        int id = getNextNotifyId();
+        BubbleInfo info = new BubbleInfo(id, DEFAULT_HEIGHT_DP, getIcon());
+        mBubbleMap.put(info.id, info);
+
+        Notification.BubbleMetadata data = getBubbleBuilder(info)
+                .setSuppressNotification(suppressNotif)
+                .setAutoExpandBubble(false)
+                .build();
+        Notification notification = getNotificationBuilder(info.id)
+                .setBubbleMetadata(data).build();
+
+        mNotificationManager.notify(info.id, notification);
+        return info.id;
+    }
+
+    private Notification.Builder getNotificationBuilder(int id) {
+        Person chatBot = new Person.Builder()
+                .setBot(true)
+                .setName("BubbleBot")
+                .setImportant(true)
+                .build();
+
+        RemoteInput remoteInput = new RemoteInput.Builder("key")
+                .setLabel("Reply")
+                .build();
+
+        String shortcutId = "BubbleChat";
+        return new Notification.Builder(mContext, CHANNEL_ID)
+                .setChannelId(CHANNEL_ID)
+                .setShortcutId(shortcutId)
+                .setContentIntent(PendingIntent.getActivity(mContext, 0,
+                        new Intent(mContext, LaunchBubbleActivity.class),
+                        PendingIntent.FLAG_UPDATE_CURRENT))
+                .setStyle(new Notification.MessagingStyle(chatBot)
+                        .setConversationTitle("Bubble Chat")
+                        .addMessage("Hello? This is bubble: " + id,
+                                SystemClock.currentThreadTimeMillis() - 300000, chatBot)
+                        .addMessage("Is it me, " + id + ", you're looking for?",
+                                SystemClock.currentThreadTimeMillis(), chatBot)
+                )
+                .setSmallIcon(R.drawable.ic_bubble);
+    }
+
+    private Notification.BubbleMetadata.Builder getBubbleBuilder(BubbleInfo info) {
+        Intent target = new Intent(mContext, BubbleActivity.class);
+        target.putExtra(EXTRA_BUBBLE_NOTIF_ID, info.id);
+        PendingIntent bubbleIntent = PendingIntent.getActivity(mContext, info.id, target,
+                PendingIntent.FLAG_UPDATE_CURRENT);
+
+        return new Notification.BubbleMetadata.Builder()
+                .setIntent(bubbleIntent)
+                .setIcon(info.icon)
+                .setDesiredHeight(info.height);
+    }
+
+    public void cancel(int id) {
+        mNotificationManager.cancel(id);
+    }
+
+    public void cancelAll() {
+        mNotificationManager.cancelAll();
+    }
+
+    public void cancelLast() {
+        StatusBarNotification[] activeNotifications = mNotificationManager.getActiveNotifications();
+        if (activeNotifications.length > 0) {
+            mNotificationManager.cancel(
+                    activeNotifications[activeNotifications.length - 1].getId());
+        }
+    }
+
+    public void cancelFirst() {
+        StatusBarNotification[] activeNotifications = mNotificationManager.getActiveNotifications();
+        if (activeNotifications.length > 0) {
+            mNotificationManager.cancel(activeNotifications[0].getId());
+        }
+    }
+}

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/src/com/android/wm/shell/flicker/testapp/Components.java

@@ -87,4 +87,16 @@ public class Components {
         public static final ComponentName COMPONENT = new ComponentName(PACKAGE_NAME,
                 PACKAGE_NAME + ".SplitScreenSecondaryActivity");
     }
+
+    public static class LaunchBubbleActivity {
+        public static final String LABEL = "LaunchBubbleApp";
+        public static final ComponentName COMPONENT = new ComponentName(PACKAGE_NAME,
+                PACKAGE_NAME + ".LaunchBubbleActivity");
+    }
+
+    public static class BubbleActivity {
+        public static final String LABEL = "BubbleApp";
+        public static final ComponentName COMPONENT = new ComponentName(PACKAGE_NAME,
+                PACKAGE_NAME + ".BubbleActivity");
+    }
 }

libs/WindowManager/Shell/tests/flicker/test-apps/flickerapp/src/com/android/wm/shell/flicker/testapp/LaunchBubbleActivity.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2021 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.flicker.testapp;
+
+
+import android.app.Activity;
+import android.app.Person;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
+import android.graphics.drawable.Icon;
+import android.os.Bundle;
+import android.view.View;
+
+import java.util.Arrays;
+
+public class LaunchBubbleActivity extends Activity {
+
+    private BubbleHelper mBubbleHelper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addInboxShortcut(getApplicationContext());
+        mBubbleHelper = BubbleHelper.getInstance(this);
+        setContentView(R.layout.activity_main);
+        findViewById(R.id.button_create).setOnClickListener(this::add);
+        findViewById(R.id.button_cancel).setOnClickListener(this::cancel);
+        findViewById(R.id.button_cancel_all).setOnClickListener(this::cancelAll);
+    }
+
+    private void add(View v) {
+        mBubbleHelper.addNewBubble(false /* autoExpand */, false /* suppressNotif */);
+    }
+
+    private void cancel(View v) {
+        mBubbleHelper.cancelLast();
+    }
+
+    private void cancelAll(View v) {
+        mBubbleHelper.cancelAll();
+    }
+
+    private void addInboxShortcut(Context context) {
+        Icon icon = Icon.createWithResource(this, R.drawable.bg);
+        Person[] persons = new Person[4];
+        for (int i = 0; i < persons.length; i++) {
+            persons[i] = new Person.Builder()
+                    .setBot(false)
+                    .setIcon(icon)
+                    .setName("google" + i)
+                    .setImportant(true)
+                    .build();
+        }
+
+        ShortcutInfo shortcut = new ShortcutInfo.Builder(context, "BubbleChat")
+                .setShortLabel("BubbleChat")
+                .setLongLived(true)
+                .setIntent(new Intent(Intent.ACTION_VIEW))
+                .setIcon(Icon.createWithResource(context, R.drawable.ic_message))
+                .setPersons(persons)
+                .build();
+        ShortcutManager scmanager = context.getSystemService(ShortcutManager.class);
+        scmanager.addDynamicShortcuts(Arrays.asList(shortcut));
+    }
+
+}

tests/FlickerTests/src/com/android/server/wm/flicker/CommonAssertions.kt

@@ -102,35 +102,33 @@ fun FlickerTestParameter.statusBarLayerIsVisible() {
     }
 }
 
-@JvmOverloads
-fun FlickerTestParameter.navBarLayerRotatesAndScales(
-    beginRotation: Int,
-    endRotation: Int = beginRotation
-) {
-    val startingPos = WindowUtils.getNavigationBarPosition(beginRotation)
-    val endingPos = WindowUtils.getNavigationBarPosition(endRotation)
-
+fun FlickerTestParameter.navBarLayerRotatesAndScales() {
     assertLayersStart {
-        this.visibleRegion(FlickerComponentName.NAV_BAR).coversExactly(startingPos)
+        val display = this.entry.displays.minByOrNull { it.id }
+            ?: throw RuntimeException("There is no display!")
+        this.visibleRegion(FlickerComponentName.NAV_BAR)
+                .coversExactly(WindowUtils.getNavigationBarPosition(display))
     }
     assertLayersEnd {
-        this.visibleRegion(FlickerComponentName.NAV_BAR).coversExactly(endingPos)
+        val display = this.entry.displays.minByOrNull { it.id }
+            ?: throw RuntimeException("There is no display!")
+        this.visibleRegion(FlickerComponentName.NAV_BAR)
+                .coversExactly(WindowUtils.getNavigationBarPosition(display))
     }
 }
 
-@JvmOverloads
-fun FlickerTestParameter.statusBarLayerRotatesScales(
-    beginRotation: Int,
-    endRotation: Int = beginRotation
-) {
-    val startingPos = WindowUtils.getStatusBarPosition(beginRotation)
-    val endingPos = WindowUtils.getStatusBarPosition(endRotation)
-
+fun FlickerTestParameter.statusBarLayerRotatesScales() {
     assertLayersStart {
-        this.visibleRegion(FlickerComponentName.STATUS_BAR).coversExactly(startingPos)
+        val display = this.entry.displays.minByOrNull { it.id }
+            ?: throw RuntimeException("There is no display!")
+        this.visibleRegion(FlickerComponentName.STATUS_BAR)
+            .coversExactly(WindowUtils.getStatusBarPosition(display))
     }
     assertLayersEnd {
-        this.visibleRegion(FlickerComponentName.STATUS_BAR).coversExactly(endingPos)
+        val display = this.entry.displays.minByOrNull { it.id }
+            ?: throw RuntimeException("There is no display!")
+        this.visibleRegion(FlickerComponentName.STATUS_BAR)
+            .coversExactly(WindowUtils.getStatusBarPosition(display))
     }
 }
 

tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppBackButtonTest.kt

@@ -17,7 +17,6 @@
 
 package com.android.server.wm.flicker.close
 
-import android.platform.test.annotations.Postsubmit
 import androidx.test.filters.FlakyTest
 import androidx.test.filters.RequiresDevice
 import com.android.server.wm.flicker.FlickerParametersRunnerFactory
@@ -80,11 +79,6 @@ class CloseAppBackButtonTest(testSpec: FlickerTestParameter) : CloseAppTransitio
     @Test
     override fun navBarLayerRotatesAndScales() = super.navBarLayerRotatesAndScales()
 
-    /** {@inheritDoc} */
-    @Postsubmit
-    @Test
-    override fun navBarLayerIsVisible() = super.navBarLayerIsVisible()
-
     companion object {
         /**
          * Creates the test configurations.

tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt

@@ -16,7 +16,6 @@
 
 package com.android.server.wm.flicker.close
 
-import android.platform.test.annotations.Postsubmit
 import androidx.test.filters.FlakyTest
 import androidx.test.filters.RequiresDevice
 import com.android.server.wm.flicker.FlickerParametersRunnerFactory
@@ -79,11 +78,6 @@ class CloseAppHomeButtonTest(testSpec: FlickerTestParameter) : CloseAppTransitio
     @Test
     override fun navBarLayerRotatesAndScales() = super.navBarLayerRotatesAndScales()
 
-    /** {@inheritDoc} */
-    @Postsubmit
-    @Test
-    override fun navBarLayerIsVisible() = super.navBarLayerIsVisible()
-
     companion object {
         /**
          * Creates the test configurations.

tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppTransition.kt

@@ -18,7 +18,6 @@ package com.android.server.wm.flicker.close
 
 import android.app.Instrumentation
 import android.platform.test.annotations.Presubmit
-import android.view.Surface
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.server.wm.flicker.FlickerBuilderProvider
 import com.android.server.wm.flicker.FlickerTestParameter
@@ -114,18 +113,14 @@ abstract class CloseAppTransition(protected val testSpec: FlickerTestParameter)
      */
     @Presubmit
     @Test
-    open fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation, Surface.ROTATION_0)
-    }
+    open fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks the position of the status bar at the start and end of the transition
      */
     @Presubmit
     @Test
-    open fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation, Surface.ROTATION_0)
-    }
+    open fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     /**
      * Checks that all windows that are visible on the trace, are visible for at least 2

tests/FlickerTests/src/com/android/server/wm/flicker/helpers/NewTasksAppHelper.kt

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2021 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.wm.flicker.helpers
+
+import android.app.Instrumentation
+import android.support.test.launcherhelper.ILauncherStrategy
+import android.support.test.launcherhelper.LauncherStrategyFactory
+import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiDevice
+import androidx.test.uiautomator.Until
+import com.android.server.wm.flicker.testapp.ActivityOptions
+import com.android.server.wm.traces.common.FlickerComponentName
+import com.android.server.wm.traces.parser.toFlickerComponent
+import com.android.server.wm.traces.parser.windowmanager.WindowManagerStateHelper
+
+class NewTasksAppHelper @JvmOverloads constructor(
+    instr: Instrumentation,
+    launcherName: String = ActivityOptions.LAUNCH_NEW_TASK_ACTIVITY_LAUNCHER_NAME,
+    component: FlickerComponentName =
+        ActivityOptions.LAUNCH_NEW_TASK_ACTIVITY_COMPONENT_NAME.toFlickerComponent(),
+    launcherStrategy: ILauncherStrategy = LauncherStrategyFactory
+        .getInstance(instr)
+        .launcherStrategy
+) : StandardAppHelper(instr, launcherName, component, launcherStrategy) {
+    fun openNewTask(device: UiDevice, wmHelper: WindowManagerStateHelper) {
+        val button = device.wait(
+            Until.findObject(By.res(getPackage(), "launch_new_task")),
+            FIND_TIMEOUT)
+
+        require(button != null) {
+            "Button not found, this usually happens when the device " +
+                    "was left in an unknown state (e.g. in split screen)"
+        }
+        button.click()
+        wmHelper.waitForAppTransitionIdle()
+        wmHelper.waitForFullScreenApp(component)
+    }
+}

tests/FlickerTests/src/com/android/server/wm/flicker/ime/CloseImeAutoOpenWindowToAppTest.kt

@@ -151,15 +151,11 @@ class CloseImeAutoOpenWindowToAppTest(private val testSpec: FlickerTestParameter
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
-    }
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/ime/CloseImeAutoOpenWindowToHomeTest.kt

@@ -150,15 +150,11 @@ class CloseImeAutoOpenWindowToHomeTest(private val testSpec: FlickerTestParamete
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation, Surface.ROTATION_0)
-    }
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation, Surface.ROTATION_0)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/ime/CloseImeWindowToAppTest.kt

@@ -32,7 +32,6 @@ import com.android.server.wm.flicker.navBarLayerIsVisible
 import com.android.server.wm.flicker.navBarLayerRotatesAndScales
 import com.android.server.wm.flicker.navBarWindowIsVisible
 import com.android.server.wm.flicker.entireScreenCovered
-import com.android.server.wm.flicker.startRotation
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
 import com.android.server.wm.traces.common.FlickerComponentName
@@ -121,21 +120,19 @@ class CloseImeWindowToAppTest(private val testSpec: FlickerTestParameter) {
     @Test
     fun navBarLayerRotatesAndScales() {
         Assume.assumeFalse(testSpec.isRotated)
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
+        testSpec.navBarLayerRotatesAndScales()
     }
 
     @FlakyTest
     @Test
     fun navBarLayerRotatesAndScales_Flaky() {
         Assume.assumeTrue(testSpec.isRotated)
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
+        testSpec.navBarLayerRotatesAndScales()
     }
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/ime/CloseImeWindowToHomeTest.kt

@@ -34,7 +34,6 @@ import com.android.server.wm.flicker.navBarLayerIsVisible
 import com.android.server.wm.flicker.navBarLayerRotatesAndScales
 import com.android.server.wm.flicker.navBarWindowIsVisible
 import com.android.server.wm.flicker.entireScreenCovered
-import com.android.server.wm.flicker.startRotation
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
 import com.android.server.wm.traces.common.FlickerComponentName
@@ -143,14 +142,11 @@ class CloseImeWindowToHomeTest(private val testSpec: FlickerTestParameter) {
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() =
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation, Surface.ROTATION_0)
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation, Surface.ROTATION_0)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/ime/LaunchAppShowImeOnStartTest.kt

@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2021 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.wm.flicker.ime
+
+import android.app.Instrumentation
+import android.platform.test.annotations.Presubmit
+import android.view.Surface
+import android.view.WindowManagerPolicyConstants
+import androidx.test.filters.RequiresDevice
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.server.wm.flicker.FlickerBuilderProvider
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.FlickerTestParameterFactory
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.helpers.ImeAppAutoFocusHelper
+import com.android.server.wm.flicker.helpers.setRotation
+import com.android.server.wm.flicker.startRotation
+import com.android.server.wm.traces.common.FlickerComponentName
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.junit.runners.Parameterized
+
+/**
+ * Launch an app that automatically displays the IME
+ *
+ * To run this test: `atest FlickerTests:LaunchAppShowImeOnStartTest`
+ *
+ * Actions:
+ *     Make sure no apps are running on the device
+ *     Launch an app [testApp] that automatically displays IME and wait animation to complete
+ *
+ * To run only the presubmit assertions add: `--
+ *      --module-arg FlickerTests:exclude-annotation:androidx.test.filters.FlakyTest
+ *      --module-arg FlickerTests:include-annotation:android.platform.test.annotations.Presubmit`
+ *
+ * To run only the postsubmit assertions add: `--
+ *      --module-arg FlickerTests:exclude-annotation:androidx.test.filters.FlakyTest
+ *      --module-arg FlickerTests:include-annotation:android.platform.test.annotations.Postsubmit`
+ *
+ * To run only the flaky assertions add: `--
+ *      --module-arg FlickerTests:include-annotation:androidx.test.filters.FlakyTest`
+ *
+ * Notes:
+ *     1. Some default assertions (e.g., nav bar, status bar and screen covered)
+ *        are inherited [CloseAppTransition]
+ *     2. Part of the test setup occurs automatically via
+ *        [com.android.server.wm.flicker.TransitionRunnerWithRules],
+ *        including configuring navigation mode, initial orientation and ensuring no
+ *        apps are running before setup
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+class LaunchAppShowImeOnStartTest(private val testSpec: FlickerTestParameter) {
+    private val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    private val testApp = ImeAppAutoFocusHelper(instrumentation, testSpec.config.startRotation)
+
+    @FlickerBuilderProvider
+    fun buildFlicker(): FlickerBuilder {
+        return FlickerBuilder(instrumentation).apply {
+            setup {
+                eachRun {
+                    this.setRotation(testSpec.config.startRotation)
+                }
+            }
+            teardown {
+                eachRun {
+                    testApp.exit()
+                }
+            }
+            transitions {
+                testApp.launchViaIntent(wmHelper)
+                wmHelper.waitImeShown()
+            }
+        }
+    }
+
+    /**
+     * Checks that [FlickerComponentName.IME] window becomes visible during the transition
+     */
+    @Presubmit
+    @Test
+    fun imeWindowBecomesVisible() = testSpec.imeWindowBecomesVisible()
+
+    /**
+     * Checks that [FlickerComponentName.IME] layer becomes visible during the transition
+     */
+    @Presubmit
+    @Test
+    fun imeLayerBecomesVisible() = testSpec.imeLayerBecomesVisible()
+
+    /**
+     * Checks that [FlickerComponentName.IME] layer is invisible at the start of the transition
+     */
+    @Presubmit
+    @Test
+    fun imeLayerNotExistsStart() {
+        testSpec.assertLayersStart {
+            this.isInvisible(FlickerComponentName.IME)
+        }
+    }
+
+    /**
+     * Checks that [FlickerComponentName.IME] layer is visible at the end of the transition
+     */
+    @Presubmit
+    @Test
+    fun imeLayerExistsEnd() {
+        testSpec.assertLayersEnd {
+            this.isVisible(FlickerComponentName.IME)
+        }
+    }
+
+    companion object {
+        /**
+         * Creates the test configurations.
+         *
+         * See [FlickerTestParameterFactory.getConfigNonRotationTests] for configuring
+         * repetitions, screen orientation and navigation modes.
+         */
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): Collection<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance()
+                .getConfigNonRotationTests(
+                    repetitions = 5,
+                    supportedRotations = listOf(Surface.ROTATION_0),
+                    supportedNavigationModes = listOf(
+                        WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON_OVERLAY,
+                        WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL_OVERLAY
+                    )
+                )
+        }
+    }
+}

tests/FlickerTests/src/com/android/server/wm/flicker/ime/OpenImeWindowTest.kt

@@ -34,7 +34,6 @@ import com.android.server.wm.flicker.navBarLayerRotatesAndScales
 import com.android.server.wm.flicker.navBarWindowIsVisible
 import com.android.server.wm.flicker.entireScreenCovered
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.startRotation
 import com.android.server.wm.flicker.statusBarLayerIsVisible
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
@@ -125,15 +124,11 @@ class OpenImeWindowTest(private val testSpec: FlickerTestParameter) {
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
-    }
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(testSpec.config.startRotation)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/ime/ReOpenImeWindowTest.kt

@@ -38,7 +38,6 @@ import com.android.server.wm.flicker.navBarWindowIsVisible
 import com.android.server.wm.flicker.dsl.FlickerBuilder
 import com.android.server.wm.flicker.entireScreenCovered
 import com.android.server.wm.flicker.startRotation
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.statusBarLayerIsVisible
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
@@ -207,15 +206,11 @@ class ReOpenImeWindowTest(private val testSpec: FlickerTestParameter) {
 
     @Presubmit
     @Test
-    fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(Surface.ROTATION_0, testSpec.config.endRotation)
-    }
+    fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(Surface.ROTATION_0, testSpec.config.endRotation)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     @Presubmit
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppFromOverviewTest.kt

@@ -27,6 +27,7 @@ import com.android.server.wm.flicker.helpers.reopenAppFromOverview
 import com.android.server.wm.flicker.helpers.setRotation
 import com.android.server.wm.flicker.startRotation
 import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.traces.common.WindowManagerConditionsFactory
 import org.junit.FixMethodOrder
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -78,6 +79,11 @@ class OpenAppFromOverviewTest(testSpec: FlickerTestParameter) : OpenAppTransitio
             }
             transitions {
                 device.reopenAppFromOverview(wmHelper)
+                wmHelper.waitFor(
+                        WindowManagerConditionsFactory.hasLayersAnimating().negate(),
+                        WindowManagerConditionsFactory.isWMStateComplete(),
+                        WindowManagerConditionsFactory.isHomeActivityVisible().negate()
+                )
                 wmHelper.waitForFullScreenApp(testApp.component)
             }
         }

tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppNonResizeableTest.kt

@@ -28,6 +28,7 @@ import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group1
 import com.android.server.wm.flicker.helpers.NonResizeableAppHelper
 import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.statusBarWindowIsVisible
 import com.android.server.wm.traces.common.FlickerComponentName
 import com.google.common.truth.Truth
 import org.junit.FixMethodOrder
@@ -107,7 +108,7 @@ class OpenAppNonResizeableTest(testSpec: FlickerTestParameter) : OpenAppTransiti
      * Checks that the app layer doesn't exist at the start of the transition, that it is
      * created (invisible) and becomes visible during the transition
      */
-    @Presubmit
+    @FlakyTest
     @Test
     fun appLayerBecomesVisible() {
         testSpec.assertLayers {
@@ -165,6 +166,11 @@ class OpenAppNonResizeableTest(testSpec: FlickerTestParameter) : OpenAppTransiti
         }
     }
 
+    /** {@inheritDoc} */
+    @FlakyTest
+    @Test
+    override fun statusBarWindowIsVisible() = super.statusBarWindowIsVisible()
+
     /** {@inheritDoc} */
     @FlakyTest
     @Test

tests/FlickerTests/src/com/android/server/wm/flicker/launch/OpenAppTransition.kt

@@ -18,13 +18,11 @@ package com.android.server.wm.flicker.launch
 
 import android.app.Instrumentation
 import android.platform.test.annotations.Presubmit
-import android.view.Surface
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.server.wm.flicker.FlickerBuilderProvider
 import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.LAUNCHER_COMPONENT
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.entireScreenCovered
 import com.android.server.wm.flicker.helpers.SimpleAppHelper
 import com.android.server.wm.flicker.helpers.StandardAppHelper
@@ -98,9 +96,7 @@ abstract class OpenAppTransition(protected val testSpec: FlickerTestParameter) {
      */
     @Presubmit
     @Test
-    open fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(Surface.ROTATION_0, testSpec.config.endRotation)
-    }
+    open fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that the status bar window is visible during the whole transition
@@ -125,9 +121,7 @@ abstract class OpenAppTransition(protected val testSpec: FlickerTestParameter) {
      */
     @Presubmit
     @Test
-    open fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(Surface.ROTATION_0, testSpec.config.endRotation)
-    }
+    open fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     /**
      * Checks that all windows that are visible on the trace, are visible for at least 2

tests/FlickerTests/src/com/android/server/wm/flicker/launch/TaskTransitionTest.kt

@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2021 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.wm.flicker.launch
+
+import android.app.Instrumentation
+import android.app.WallpaperManager
+import android.platform.test.annotations.Postsubmit
+import androidx.test.filters.RequiresDevice
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.server.wm.flicker.FlickerBuilderProvider
+import com.android.server.wm.flicker.FlickerParametersRunnerFactory
+import com.android.server.wm.flicker.FlickerTestParameter
+import com.android.server.wm.flicker.FlickerTestParameterFactory
+import com.android.server.wm.flicker.LAUNCHER_COMPONENT
+import com.android.server.wm.flicker.annotation.Group4
+import com.android.server.wm.flicker.dsl.FlickerBuilder
+import com.android.server.wm.flicker.entireScreenCovered
+import com.android.server.wm.flicker.helpers.NewTasksAppHelper
+import com.android.server.wm.flicker.helpers.WindowUtils
+import com.android.server.wm.flicker.navBarLayerIsVisible
+import com.android.server.wm.flicker.navBarWindowIsVisible
+import com.android.server.wm.flicker.repetitions
+import com.android.server.wm.flicker.startRotation
+import com.android.server.wm.flicker.statusBarLayerIsVisible
+import com.android.server.wm.flicker.statusBarWindowIsVisible
+import com.android.server.wm.flicker.testapp.ActivityOptions.LAUNCH_NEW_TASK_ACTIVITY_COMPONENT_NAME
+import com.android.server.wm.flicker.testapp.ActivityOptions.SIMPLE_ACTIVITY_AUTO_FOCUS_COMPONENT_NAME
+import com.android.server.wm.traces.common.FlickerComponentName
+import com.android.server.wm.traces.common.FlickerComponentName.Companion.SPLASH_SCREEN
+import com.android.server.wm.traces.common.FlickerComponentName.Companion.WALLPAPER_BBQ_WRAPPER
+import com.android.server.wm.traces.parser.toFlickerComponent
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.junit.runners.Parameterized
+
+/**
+ * Test the back and forward transition between 2 activities.
+ *
+ * To run this test: `atest FlickerTests:ActivitiesTransitionTest`
+ *
+ * Actions:
+ *     Launch the NewTaskLauncherApp [mTestApp]
+ *     Open a new task (SimpleActivity) from the NewTaskLauncherApp [mTestApp]
+ *     Go back to the NewTaskLauncherApp [mTestApp]
+ */
+@RequiresDevice
+@RunWith(Parameterized::class)
+@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Group4
+class TaskTransitionTest(val testSpec: FlickerTestParameter) {
+    val instrumentation: Instrumentation = InstrumentationRegistry.getInstrumentation()
+    private val mTestApp: NewTasksAppHelper = NewTasksAppHelper(instrumentation)
+
+    @FlickerBuilderProvider
+    fun buildFlicker(): FlickerBuilder {
+        return FlickerBuilder(instrumentation).apply {
+            withTestName { testSpec.name }
+            repeat { testSpec.config.repetitions }
+            setup {
+                eachRun {
+                    mTestApp.launchViaIntent(wmHelper)
+                    wmHelper.waitForFullScreenApp(mTestApp.component)
+                }
+            }
+            teardown {
+                test {
+                    mTestApp.exit()
+                }
+            }
+            transitions {
+                mTestApp.openNewTask(device, wmHelper)
+                device.pressBack()
+                wmHelper.waitForAppTransitionIdle()
+                wmHelper.waitForFullScreenApp(mTestApp.component)
+            }
+        }
+    }
+
+    /**
+     * Checks that the wallpaper window is never visible when performing task transitions.
+     * A solid color background should be shown instead.
+     */
+    @Postsubmit
+    @Test
+    fun wallpaperWindowIsNeverVisible() {
+        testSpec.assertWm {
+            this.isNonAppWindowInvisible(WALLPAPER)
+        }
+    }
+
+    /**
+     * Checks that the wallpaper layer is never visible when performing task transitions.
+     * A solid color background should be shown instead.
+     */
+    @Postsubmit
+    @Test
+    fun wallpaperLayerIsNeverVisible() {
+        testSpec.assertLayers {
+            this.isInvisible(WALLPAPER)
+            this.isInvisible(WALLPAPER_BBQ_WRAPPER)
+        }
+    }
+
+    /**
+     * Check that the launcher window is never visible when performing task transitions.
+     * A solid color background should be shown above it.
+     */
+    @Postsubmit
+    @Test
+    fun launcherWindowIsNeverVisible() {
+        testSpec.assertWm {
+            this.isAppWindowInvisible(LAUNCHER_COMPONENT)
+        }
+    }
+
+    /**
+     * Checks that the launcher layer is never visible when performing task transitions.
+     * A solid color background should be shown above it.
+     */
+    @Postsubmit
+    @Test
+    fun launcherLayerIsNeverVisible() {
+        testSpec.assertLayers {
+            this.isInvisible(LAUNCHER_COMPONENT)
+        }
+    }
+
+    /**
+     * Checks that a color background is visible while the task transition is occurring.
+     */
+    @Postsubmit
+    @Test
+    fun colorLayerIsVisibleDuringTransition() {
+        val bgColorLayer = FlickerComponentName("", "colorBackgroundLayer")
+        val displayBounds = WindowUtils.getDisplayBounds(testSpec.config.startRotation)
+
+        testSpec.assertLayers {
+            this.coversExactly(displayBounds, LAUNCH_NEW_TASK_ACTIVITY)
+                .isInvisible(bgColorLayer)
+                .then()
+                // Transitioning
+                .isVisible(bgColorLayer)
+                .then()
+                // Fully transitioned to simple SIMPLE_ACTIVITY
+                .coversExactly(displayBounds, SIMPLE_ACTIVITY)
+                .isInvisible(bgColorLayer)
+                .then()
+                // Transitioning back
+                .isVisible(bgColorLayer)
+                .then()
+                // Fully transitioned back to LAUNCH_NEW_TASK_ACTIVITY
+                .isInvisible(bgColorLayer)
+                .coversExactly(displayBounds, LAUNCH_NEW_TASK_ACTIVITY)
+        }
+    }
+
+    /**
+     * Checks that we start with the LaunchNewTask activity on top and then open up
+     * the SimpleActivity and then go back to the LaunchNewTask activity.
+     */
+    @Postsubmit
+    @Test
+    fun newTaskOpensOnTopAndThenCloses() {
+        testSpec.assertWm {
+            this.isAppWindowOnTop(LAUNCH_NEW_TASK_ACTIVITY)
+                    .then()
+                    .isAppWindowOnTop(SPLASH_SCREEN, isOptional = true)
+                    .then()
+                    .isAppWindowOnTop(SIMPLE_ACTIVITY)
+                    .then()
+                    .isAppWindowOnTop(SPLASH_SCREEN, isOptional = true)
+                    .then()
+                    .isAppWindowOnTop(LAUNCH_NEW_TASK_ACTIVITY)
+        }
+    }
+
+    /**
+     * Checks that all parts of the screen are covered at the start and end of the transition
+     */
+    @Postsubmit
+    @Test
+    fun entireScreenCovered() = testSpec.entireScreenCovered()
+
+    /**
+     * Checks that the navbar window is visible throughout the transition
+     */
+    @Postsubmit
+    @Test
+    fun navBarWindowIsVisible() = testSpec.navBarWindowIsVisible()
+
+    /**
+     * Checks that the navbar layer is visible throughout the transition
+     */
+    @Postsubmit
+    @Test
+    fun navBarLayerIsVisible() = testSpec.navBarLayerIsVisible()
+
+    /**
+     * Checks that the status bar window is visible throughout the transition
+     */
+    @Postsubmit
+    @Test
+    fun statusBarWindowIsVisible() = testSpec.statusBarWindowIsVisible()
+
+    /**
+     * Checks that the status bar layer is visible throughout the transition
+     */
+    @Postsubmit
+    @Test
+    fun statusBarLayerIsVisible() = testSpec.statusBarLayerIsVisible()
+
+    companion object {
+        private val WALLPAPER = getWallpaperPackage(InstrumentationRegistry.getInstrumentation())
+        private val LAUNCH_NEW_TASK_ACTIVITY =
+                LAUNCH_NEW_TASK_ACTIVITY_COMPONENT_NAME.toFlickerComponent()
+        private val SIMPLE_ACTIVITY = SIMPLE_ACTIVITY_AUTO_FOCUS_COMPONENT_NAME.toFlickerComponent()
+
+        private fun getWallpaperPackage(instrumentation: Instrumentation): FlickerComponentName {
+            val wallpaperManager = WallpaperManager.getInstance(instrumentation.targetContext)
+
+            return wallpaperManager.wallpaperInfo.component.toFlickerComponent()
+        }
+
+        @Parameterized.Parameters(name = "{0}")
+        @JvmStatic
+        fun getParams(): Collection<FlickerTestParameter> {
+            return FlickerTestParameterFactory.getInstance()
+                    .getConfigNonRotationTests(repetitions = 5)
+        }
+    }
+}

tests/FlickerTests/src/com/android/server/wm/flicker/quickswitch/QuickSwitchBetweenTwoAppsBackTest.kt

@@ -297,8 +297,7 @@ class QuickSwitchBetweenTwoAppsBackTest(private val testSpec: FlickerTestParamet
      */
     @Postsubmit
     @Test
-    fun navbarIsAlwaysInRightPosition() =
-            testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
+    fun navbarIsAlwaysInRightPosition() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that the status bar window is visible throughout the entire transition.

tests/FlickerTests/src/com/android/server/wm/flicker/quickswitch/QuickSwitchBetweenTwoAppsForwardTest.kt

@@ -314,8 +314,7 @@ class QuickSwitchBetweenTwoAppsForwardTest(private val testSpec: FlickerTestPara
      */
     @Postsubmit
     @Test
-    fun navbarIsAlwaysInRightPosition() =
-            testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
+    fun navbarIsAlwaysInRightPosition() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that the status bar window is visible throughout the entire transition.

tests/FlickerTests/src/com/android/server/wm/flicker/quickswitch/QuickSwitchFromLauncherTest.kt

@@ -305,8 +305,7 @@ class QuickSwitchFromLauncherTest(private val testSpec: FlickerTestParameter) {
      */
     @Presubmit
     @Test
-    fun navbarIsAlwaysInRightPosition() =
-            testSpec.navBarLayerRotatesAndScales(testSpec.config.startRotation)
+    fun navbarIsAlwaysInRightPosition() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that the status bar window is visible throughout the entire transition.

tests/FlickerTests/src/com/android/server/wm/flicker/rotation/ChangeAppRotationTest.kt

@@ -16,6 +16,7 @@
 
 package com.android.server.wm.flicker.rotation
 
+import android.platform.test.annotations.Postsubmit
 import android.platform.test.annotations.Presubmit
 import androidx.test.filters.FlakyTest
 import androidx.test.filters.RequiresDevice
@@ -24,14 +25,14 @@ import com.android.server.wm.flicker.FlickerTestParameter
 import com.android.server.wm.flicker.FlickerTestParameterFactory
 import com.android.server.wm.flicker.annotation.Group3
 import com.android.server.wm.flicker.dsl.FlickerBuilder
-import com.android.server.wm.flicker.endRotation
 import com.android.server.wm.flicker.helpers.SimpleAppHelper
-import com.android.server.wm.flicker.startRotation
+import com.android.server.wm.flicker.rules.WMFlickerServiceRuleForTestSpec
 import com.android.server.wm.flicker.statusBarLayerIsVisible
 import com.android.server.wm.flicker.statusBarLayerRotatesScales
 import com.android.server.wm.flicker.statusBarWindowIsVisible
 import com.android.server.wm.traces.common.FlickerComponentName
 import org.junit.FixMethodOrder
+import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.MethodSorters
@@ -80,6 +81,9 @@ import org.junit.runners.Parameterized
 class ChangeAppRotationTest(
     testSpec: FlickerTestParameter
 ) : RotationTransition(testSpec) {
+    @get:Rule
+    val flickerRule = WMFlickerServiceRuleForTestSpec(testSpec)
+
     override val testApp = SimpleAppHelper(instrumentation)
     override val transition: FlickerBuilder.(Map<String, Any?>) -> Unit
         get() = {
@@ -91,6 +95,24 @@ class ChangeAppRotationTest(
             }
         }
 
+    @Postsubmit
+    @Test
+    fun runPresubmitAssertion() {
+        flickerRule.checkPresubmitAssertions()
+    }
+
+    @Postsubmit
+    @Test
+    fun runPostsubmitAssertion() {
+        flickerRule.checkPostsubmitAssertions()
+    }
+
+    @FlakyTest
+    @Test
+    fun runFlakyAssertion() {
+        flickerRule.checkFlakyAssertions()
+    }
+
     /** {@inheritDoc} */
     @FlakyTest(bugId = 190185577)
     @Test
@@ -111,6 +133,7 @@ class ChangeAppRotationTest(
                 .isVisible(FlickerComponentName.ROTATION)
                 .then()
                 .isVisible(testApp.component)
+                .isInvisible(FlickerComponentName.ROTATION)
         }
     }
 
@@ -138,10 +161,7 @@ class ChangeAppRotationTest(
      */
     @Presubmit
     @Test
-    fun statusBarLayerRotatesScales() {
-        testSpec.statusBarLayerRotatesScales(
-            testSpec.config.startRotation, testSpec.config.endRotation)
-    }
+    fun statusBarLayerRotatesScales() = testSpec.statusBarLayerRotatesScales()
 
     /** {@inheritDoc} */
     @FlakyTest

tests/FlickerTests/src/com/android/server/wm/flicker/rotation/RotationTransition.kt

@@ -92,10 +92,7 @@ abstract class RotationTransition(protected val testSpec: FlickerTestParameter)
      */
     @Presubmit
     @Test
-    open fun navBarLayerRotatesAndScales() {
-        testSpec.navBarLayerRotatesAndScales(
-            testSpec.config.startRotation, testSpec.config.endRotation)
-    }
+    open fun navBarLayerRotatesAndScales() = testSpec.navBarLayerRotatesAndScales()
 
     /**
      * Checks that all layers that are visible on the trace, are visible for at least 2

tests/FlickerTests/test-apps/flickerapp/AndroidManifest.xml

@@ -80,5 +80,15 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity android:name=".LaunchNewTaskActivity"
+                  android:taskAffinity="com.android.server.wm.flicker.testapp.LaunchNewTaskActivity"
+                  android:configChanges="orientation|screenSize"
+                  android:label="LaunchNewTaskActivity"
+                  android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
     </application>
 </manifest>

tests/FlickerTests/test-apps/flickerapp/res/layout/task_button.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ Copyright 2018 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.
+-->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@android:color/holo_orange_light">
+    <Button
+        android:id="@+id/launch_new_task"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="New task" />
+</LinearLayout>

tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/ActivityOptions.java

@@ -51,4 +51,9 @@ public class ActivityOptions {
     public static final ComponentName BUTTON_ACTIVITY_COMPONENT_NAME =
             new ComponentName(FLICKER_APP_PACKAGE,
                     FLICKER_APP_PACKAGE + ".ButtonActivity");
+
+    public static final String LAUNCH_NEW_TASK_ACTIVITY_LAUNCHER_NAME = "LaunchNewTaskApp";
+    public static final ComponentName LAUNCH_NEW_TASK_ACTIVITY_COMPONENT_NAME =
+            new ComponentName(FLICKER_APP_PACKAGE,
+                    FLICKER_APP_PACKAGE + ".LaunchNewTaskActivity");
 }

tests/FlickerTests/test-apps/flickerapp/src/com/android/server/wm/flicker/testapp/LaunchNewTaskActivity.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2018 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.wm.flicker.testapp;
+
+import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.WindowManager;
+import android.widget.Button;
+
+public class LaunchNewTaskActivity extends Activity {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        WindowManager.LayoutParams p = getWindow().getAttributes();
+        p.layoutInDisplayCutoutMode = WindowManager.LayoutParams
+                .LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
+        getWindow().setAttributes(p);
+        setContentView(R.layout.task_button);
+
+        Button button = findViewById(R.id.launch_new_task);
+        button.setOnClickListener(v -> {
+            Intent intent = new Intent(LaunchNewTaskActivity.this, SimpleActivity.class);
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_MULTIPLE_TASK);
+            startActivity(intent);
+        });
+    }
+}