[webview_flutter] Disable legacy Android video poster

packages/webview_flutter/webview_flutter_android/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 4.10.6
+
+* Changes default image shown when a video is not playing.
+
 ## 4.10.5
 
 * Resolves Gradle 9 deprecations.

packages/webview_flutter/webview_flutter_android/android/src/main/java/io/flutter/plugins/webviewflutter/WebChromeClientProxyApi.java

@@ -4,6 +4,8 @@
 
 package io.flutter.plugins.webviewflutter;
 
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
 import android.net.Uri;
 import android.os.Message;
 import android.view.View;
@@ -239,6 +241,16 @@ public boolean onJsPrompt(
   public static class SecureWebChromeClient extends WebChromeClient {
     @Nullable WebViewClient webViewClient;
 
+    /**
+     * Removes the gray Android player icon.
+     *
+     * <p>See https://issues.chromium.org/issues/40755557.
+     */
+    @Override
+    public @Nullable Bitmap getDefaultVideoPoster() {
+      return Bitmap.createBitmap(1, 1, Config.ALPHA_8);
+    }
+
     @Override
     public boolean onCreateWindow(
         @NonNull final WebView view,

packages/webview_flutter/webview_flutter_android/android/src/test/java/io/flutter/plugins/webviewflutter/WebChromeClientTest.java

@@ -4,6 +4,7 @@
 
 package io.flutter.plugins.webviewflutter;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
@@ -13,6 +14,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Message;
 import android.view.View;
@@ -214,4 +216,17 @@ public void onJsPrompt() {
     verify(mockApi)
         .onJsPrompt(eq(instance), eq(webView), eq(url), eq(message), eq(defaultValue), any());
   }
+
+  @Test
+  public void getDefaultVideoPosterSetsEmptyBitmap() {
+    final WebChromeClientProxyApi mockApi = mock(WebChromeClientProxyApi.class);
+    when(mockApi.getPigeonRegistrar()).thenReturn(new TestProxyApiRegistrar());
+
+    final WebChromeClientImpl instance = new WebChromeClientImpl(mockApi);
+    final Bitmap poster = instance.getDefaultVideoPoster();
+
+    assertNotNull(instance.getDefaultVideoPoster());
+    assertEquals(1, poster.getWidth());
+    assertEquals(1, poster.getHeight());
+  }
 }

packages/webview_flutter/webview_flutter_android/pubspec.yaml

@@ -2,7 +2,7 @@ name: webview_flutter_android
 description: A Flutter plugin that provides a WebView widget on Android.
 repository: https://github.com/flutter/packages/tree/main/packages/webview_flutter/webview_flutter_android
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 4.10.5
+version: 4.10.6
 
 environment:
   sdk: ^3.9.0