Adds test harnesses for integration tests on Android (flutter#4200)

packages/google_maps_flutter/google_maps_flutter/example/android/app/build.gradle

@@ -35,6 +35,7 @@ android {
         applicationId "io.flutter.plugins.googlemapsexample"
         minSdkVersion 20
         targetSdkVersion 28
+        multiDexEnabled true
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -60,11 +61,9 @@ android {
 
     dependencies {
         testImplementation 'junit:junit:4.12'
-        androidTestImplementation 'androidx.test:runner:1.1.1'
-        androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
-        testImplementation 'androidx.test:core:1.2.0'
-        testImplementation "org.robolectric:robolectric:4.3.1"
-        testImplementation 'org.mockito:mockito-core:3.2.4'
+        androidTestImplementation 'androidx.test:runner:1.2.0'
+        androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+        api 'androidx.test:core:1.2.0'
         testImplementation 'com.google.android.gms:play-services-maps:17.0.0'
     }
 }

packages/google_maps_flutter/google_maps_flutter/example/android/app/src/androidTest/java/io/flutter/plugins/googlemapsexample/GoogleMapsTest.java

@@ -0,0 +1,23 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlemapsexample;
+
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.core.app.ActivityScenario;
+import io.flutter.plugins.googlemaps.GoogleMapsPlugin;
+import org.junit.Test;
+
+public class GoogleMapsTest {
+  @Test
+  public void googleMapsPluginIsAdded() {
+    final ActivityScenario<GoogleMapsTestActivity> scenario =
+        ActivityScenario.launch(GoogleMapsTestActivity.class);
+    scenario.onActivity(
+        activity -> {
+          assertTrue(activity.engine.getPlugins().has(GoogleMapsPlugin.class));
+        });
+  }
+}

packages/google_maps_flutter/google_maps_flutter/example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.googlemapsexample">
+    <!-- Flutter needs internet permission to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application android:usesCleartextTraffic="true">
+        <activity
+            android:name=".GoogleMapsTestActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+        </activity>
+    </application>
+</manifest>

packages/google_maps_flutter/google_maps_flutter/example/android/app/src/debug/java/io/flutter/plugins/googlemapsexample/GoogleMapsTestActivity.java

@@ -0,0 +1,20 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlemapsexample;
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+
+// Makes the FlutterEngine accessible for testing.
+public class GoogleMapsTestActivity extends FlutterActivity {
+  public FlutterEngine engine;
+
+  @Override
+  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    engine = flutterEngine;
+  }
+}

packages/google_maps_flutter/google_maps_flutter/example/pubspec.yaml

@@ -21,6 +21,7 @@ dependencies:
   flutter_plugin_android_lifecycle: ^2.0.1
 
 dev_dependencies:
+  espresso: ^0.1.0+2
   flutter_driver:
     sdk: flutter
   integration_test:

packages/google_sign_in/google_sign_in/example/android/app/build.gradle

@@ -35,6 +35,7 @@ android {
         applicationId "io.flutter.plugins.googlesigninexample"
         minSdkVersion 16
         targetSdkVersion 28
+        multiDexEnabled true
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -60,5 +61,7 @@ flutter {
 dependencies {
     implementation 'com.google.android.gms:play-services-auth:16.0.1'
     testImplementation'junit:junit:4.12'
-    testImplementation 'org.mockito:mockito-core:2.17.0'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    api 'androidx.test:core:1.2.0'
 }

packages/google_sign_in/google_sign_in/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/GoogleSignInTest.java

@@ -0,0 +1,23 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlesigninexample;
+
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.core.app.ActivityScenario;
+import io.flutter.plugins.googlesignin.GoogleSignInPlugin;
+import org.junit.Test;
+
+public class GoogleSignInTest {
+  @Test
+  public void googleSignInPluginIsAdded() {
+    final ActivityScenario<GoogleSignInTestActivity> scenario =
+        ActivityScenario.launch(GoogleSignInTestActivity.class);
+    scenario.onActivity(
+        activity -> {
+          assertTrue(activity.engine.getPlugins().has(GoogleSignInPlugin.class));
+        });
+  }
+}

packages/google_sign_in/google_sign_in/example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.googlesigninexample">
+    <!-- Flutter needs internet permission to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application android:usesCleartextTraffic="true">
+        <activity
+            android:name=".GoogleSignInTestActivity"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Black.NoTitleBar"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+        </activity>
+    </application>
+</manifest>

packages/google_sign_in/google_sign_in/example/android/app/src/main/java/io/flutter/plugins/googlesigninexample/GoogleSignInTestActivity.java

@@ -0,0 +1,20 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlesigninexample;
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+
+// Makes the FlutterEngine accessible for testing.
+public class GoogleSignInTestActivity extends FlutterActivity {
+  public FlutterEngine engine;
+
+  @Override
+  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    engine = flutterEngine;
+  }
+}

packages/google_sign_in/google_sign_in/example/pubspec.yaml

@@ -19,6 +19,7 @@ dependencies:
   http: ^0.13.0
 
 dev_dependencies:
+  espresso: ^0.1.0+2
   pedantic: ^1.10.0
   integration_test:
     sdk: flutter

packages/image_picker/image_picker/example/android/app/build.gradle

@@ -36,6 +36,7 @@ android {
         applicationId "io.flutter.plugins.imagepicker.example"
         minSdkVersion 16
         targetSdkVersion 28
+        multiDexEnabled true
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -60,9 +61,7 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.mockito:mockito-core:3.10.0'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
-    testImplementation 'androidx.test:core:1.2.0'
-    testImplementation "org.robolectric:robolectric:4.3.1"
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    api 'androidx.test:core:1.2.0'
 }

packages/image_picker/image_picker/example/android/app/src/androidTest/java/io/flutter/plugins/imagepickerexample/ImagePickerTest.java

@@ -0,0 +1,23 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.imagepickerexample;
+
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.core.app.ActivityScenario;
+import io.flutter.plugins.imagepicker.ImagePickerPlugin;
+import org.junit.Test;
+
+public class ImagePickerTest {
+  @Test
+  public void imagePickerPluginIsAdded() {
+    final ActivityScenario<ImagePickerTestActivity> scenario =
+        ActivityScenario.launch(ImagePickerTestActivity.class);
+    scenario.onActivity(
+        activity -> {
+          assertTrue(activity.engine.getPlugins().has(ImagePickerPlugin.class));
+        });
+  }
+}

packages/image_picker/image_picker/example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.imagepickerexample">
+    <!-- Flutter needs internet permission to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application android:usesCleartextTraffic="true">
+        <activity
+            android:name=".ImagePickerTestActivity"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Black.NoTitleBar"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+        </activity>
+    </application>
+</manifest>

packages/image_picker/image_picker/example/android/app/src/main/java/io/flutter/plugins/imagepickerexample/ImagePickerTestActivity.java

@@ -0,0 +1,20 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.imagepickerexample;
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+
+// Makes the FlutterEngine accessible for testing.
+public class ImagePickerTestActivity extends FlutterActivity {
+  public FlutterEngine engine;
+
+  @Override
+  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    engine = flutterEngine;
+  }
+}

packages/image_picker/image_picker/example/integration_test/old_image_picker_test.dart → packages/image_picker/image_picker/example/integration_test/image_picker_test.dart

@@ -2,8 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 
 void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  testWidgets('placeholder test', (WidgetTester tester) async {});
 }

packages/image_picker/image_picker/example/pubspec.yaml

@@ -20,6 +20,7 @@ dependencies:
     path: ../
 
 dev_dependencies:
+  espresso: ^0.1.0+2
   flutter_driver:
     sdk: flutter
   integration_test:

packages/quick_actions/quick_actions/example/android/app/build.gradle

@@ -53,6 +53,7 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    api 'androidx.test:core:1.2.0'
 }

packages/quick_actions/quick_actions/example/android/app/src/androidTest/java/io/flutter/plugins/quickactionsexample/QuickActionsTest.java

@@ -0,0 +1,23 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.quickactionsexample;
+
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.core.app.ActivityScenario;
+import io.flutter.plugins.quickactions.QuickActionsPlugin;
+import org.junit.Test;
+
+public class QuickActionsTest {
+  @Test
+  public void imagePickerPluginIsAdded() {
+    final ActivityScenario<QuickActionsTestActivity> scenario =
+        ActivityScenario.launch(QuickActionsTestActivity.class);
+    scenario.onActivity(
+        activity -> {
+          assertTrue(activity.engine.getPlugins().has(QuickActionsPlugin.class));
+        });
+  }
+}

packages/quick_actions/quick_actions/example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.quickactionsexample">
+    <!-- Flutter needs internet permission to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application android:usesCleartextTraffic="true">
+        <activity
+            android:name=".QuickActionsTestActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+        </activity>
+    </application>
+</manifest>

packages/quick_actions/quick_actions/example/android/app/src/main/java/io/flutter/plugins/quickactionsexample/QuickActionsTestActivity.java

@@ -0,0 +1,20 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.quickactionsexample;
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+
+// Makes the FlutterEngine accessible for testing.
+public class QuickActionsTestActivity extends FlutterActivity {
+  public FlutterEngine engine;
+
+  @Override
+  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    engine = flutterEngine;
+  }
+}

packages/quick_actions/quick_actions/example/pubspec.yaml

@@ -18,6 +18,7 @@ dependencies:
     path: ../
 
 dev_dependencies:
+  espresso: ^0.1.0+2
   flutter_driver:
     sdk: flutter
   integration_test:

script/configs/exclude_integration_android.yaml

@@ -1,9 +1,7 @@
 # Currently missing harness files: https://github.com/flutter/flutter/issues/86749)
 - camera/camera
-- google_sign_in/google_sign_in
 - in_app_purchase/in_app_purchase
 - in_app_purchase_android
-- quick_actions
 - shared_preferences/shared_preferences
 - url_launcher/url_launcher
 - video_player/video_player
@@ -17,5 +15,4 @@
 - wifi_info_flutter/wifi_info_flutter
 
 # No integration tests to run:
-- image_picker/image_picker
 - espresso