Final changes

packages/webview_flutter/example/android/app/src/androidTestDebug/java/io/flutter/plugins/webviewflutterexample/MainActivityTest.java

@@ -2,10 +2,11 @@
 
 import androidx.test.rule.ActivityTestRule;
 import dev.flutter.plugins.e2e.FlutterRunner;
+import io.flutter.embedding.android.FlutterActivity;
 import org.junit.Rule;
 import org.junit.runner.RunWith;
 
 @RunWith(FlutterRunner.class)
 public class MainActivityTest {
-  @Rule public ActivityTestRule<MainActivity> rule = new ActivityTestRule<>(MainActivity.class);
+  @Rule public ActivityTestRule<FlutterActivity> rule = new ActivityTestRule<>(FlutterActivity.class);
 }

packages/webview_flutter/example/android/app/src/main/AndroidManifest.xml

@@ -10,6 +10,9 @@
     android:icon="@mipmap/ic_launcher"
     android:label="webview_flutter_example"
     android:name="io.flutter.app.FlutterApplication">
+    <meta-data
+        android:name="flutterEmbedding"
+        android:value="2" />
     <activity
       android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
       android:exported="true"
@@ -30,7 +33,7 @@
       android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
       android:hardwareAccelerated="true"
       android:launchMode="singleTop"
-      android:name=".MainActivity"
+      android:name="io.flutter.embedding.android.FlutterActivity"
       android:theme="@style/LaunchTheme"
       android:windowSoftInputMode="adjustResize">
       <intent-filter>

packages/webview_flutter/example/android/app/src/main/java/io/flutter/plugins/webviewflutterexample/EmbeddingV1Activity.java

@@ -6,12 +6,14 @@
 
 import android.os.Bundle;
 import io.flutter.app.FlutterActivity;
-import io.flutter.plugins.GeneratedPluginRegistrant;
+import dev.flutter.plugins.e2e.E2EPlugin;
+import io.flutter.plugins.webviewflutter.WebViewFlutterPlugin;
 
 public class EmbeddingV1Activity extends FlutterActivity {
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
+    E2EPlugin.registerWith(registrarFor("dev.flutter.plugins.e2e.E2EPlugin"));
+    WebViewFlutterPlugin.registerWith(registrarFor("io.flutter.plugins.webviewflutter.WebViewFlutterPlugin"));
   }
 }