[e2e] Update to support new embedder

packages/e2e/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.2.1
+
+* Updated to support new embedder.
+* Print a warning if the plugin is not registered.
+* Updated method channel name.
+
 ## 0.2.0+1
 
 * Updated README.

packages/e2e/android/src/main/java/dev/flutter/plugins/e2e/E2EPlugin.java

@@ -4,6 +4,9 @@
 
 package dev.flutter.plugins.e2e;
 
+import android.content.Context;
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
@@ -13,16 +16,34 @@
 import java.util.concurrent.CompletableFuture;
 
 /** E2EPlugin */
-public class E2EPlugin implements MethodCallHandler {
+public class E2EPlugin implements MethodCallHandler, FlutterPlugin {
+  private MethodChannel methodChannel;
 
   public static CompletableFuture<Map<String, String>> testResults = new CompletableFuture<>();
 
-  private static final String CHANNEL = "plugins.flutter.dev/e2e";
+  private static final String CHANNEL = "plugins.flutter.io/e2e";
 
   /** Plugin registration. */
   public static void registerWith(Registrar registrar) {
-    final MethodChannel channel = new MethodChannel(registrar.messenger(), CHANNEL);
-    channel.setMethodCallHandler(new E2EPlugin());
+    final E2EPlugin instance = new E2EPlugin();
+    instance.onAttachedToEngine(registrar.context(), registrar.messenger());
+  }
+
+  @Override
+  public void onAttachedToEngine(FlutterPluginBinding binding) {
+    onAttachedToEngine(
+            binding.getApplicationContext(), binding.getFlutterEngine().getDartExecutor());
+  }
+
+  private void onAttachedToEngine(Context applicationContext, BinaryMessenger messenger) {
+    methodChannel = new MethodChannel(messenger, "plugins.flutter.io/e2e");
+    methodChannel.setMethodCallHandler(this);
+  }
+
+  @Override
+  public void onDetachedFromEngine(FlutterPluginBinding binding) {
+    methodChannel.setMethodCallHandler(null);
+    methodChannel = null;
   }
 
   @Override

packages/e2e/lib/e2e.dart

@@ -18,7 +18,7 @@ class E2EWidgetsFlutterBinding extends LiveTestWidgetsFlutterBinding {
         await _channel.invokeMethod<void>(
             'allTestsFinished', <String, dynamic>{'results': _results});
       } on MissingPluginException {
-        // Tests were run on the host rather than a device.
+        print('Warning: E2E test plugin was not detected.');
       }
       if (!_allTestsPassed.isCompleted) _allTestsPassed.complete(true);
     });
@@ -35,7 +35,7 @@ class E2EWidgetsFlutterBinding extends LiveTestWidgetsFlutterBinding {
   }
 
   static const MethodChannel _channel =
-      MethodChannel('plugins.flutter.dev/e2e');
+      MethodChannel('plugins.flutter.io/e2e');
 
   static Map<String, String> _results = <String, String>{};
 

packages/e2e/pubspec.yaml

@@ -1,6 +1,6 @@
 name: e2e
 description: Runs tests that use the flutter_test API as integration tests.
-version: 0.2.0+1
+version: 0.2.1
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/e2e