flutter · bparrishMines · Sep 21, 2020 · Sep 21, 2020
diff --git a/packages/webview_flutter/CHANGELOG.md b/packages/webview_flutter/CHANGELOG.md
@@ -1,27 +1,3 @@
-## 0.3.24
-
-* Add support for building `WebView` widget with Android hybrid views. To use this feature, set
-  `WebView.platform` to an instance of `SurfaceAndroidWebView`. For example:
-
-```dart
-import 'dart:io';
-
-class WebViewExample extends StatefulWidget {
-  @override
-  void initState() {
-    super.initState();
-    if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return WebView(
-      initialUrl: 'https://flutter.dev',
-    );
-  }
-}
-```
-
 ## 0.3.23
 
 * Handle WebView multi-window support.

diff --git a/packages/webview_flutter/example/lib/main.dart b/packages/webview_flutter/example/lib/main.dart
@@ -6,7 +6,6 @@
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
@@ -36,12 +35,6 @@ class _WebViewExampleState extends State<WebViewExample> {
   final Completer<WebViewController> _controller =
       Completer<WebViewController>();
 
-  @override
-  void initState() {
-    super.initState();
-    if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(

diff --git a/packages/webview_flutter/example/test_driver/webview_flutter_e2e.dart b/packages/webview_flutter/example/test_driver/webview_flutter_e2e.dart
@@ -608,84 +608,6 @@ void main() {
     });
   });
 
-  group('$SurfaceAndroidWebView', () {
-    setUpAll(() {
-      WebView.platform = SurfaceAndroidWebView();
-    });
-
-    tearDownAll(() {
-      WebView.platform = null;
-    });
-
-    testWidgets('setAndGetScrollPosition', (WidgetTester tester) async {
-      final String scrollTestPage = '''
-        <!DOCTYPE html>
-        <html>
-          <head>
-            <style>
-              body {
-                height: 100%;
-                width: 100%;
-              }
-              #container{
-                width:5000px;
-                height:5000px;
-            }
-            </style>
-          </head>
-          <body>
-            <div id="container"/>
-          </body>
-        </html>
-      ''';
-
-      final String scrollTestPageBase64 =
-          base64Encode(const Utf8Encoder().convert(scrollTestPage));
-
-      final Completer<void> pageLoaded = Completer<void>();
-      final Completer<WebViewController> controllerCompleter =
-          Completer<WebViewController>();
-
-      await tester.pumpWidget(
-        Directionality(
-          textDirection: TextDirection.ltr,
-          child: WebView(
-            initialUrl:
-                'data:text/html;charset=utf-8;base64,$scrollTestPageBase64',
-            onWebViewCreated: (WebViewController controller) {
-              controllerCompleter.complete(controller);
-            },
-            onPageFinished: (String url) {
-              pageLoaded.complete(null);
-            },
-          ),
-        ),
-      );
-
-      final WebViewController controller = await controllerCompleter.future;
-      await pageLoaded.future;
-
-      await tester.pumpAndSettle(Duration(seconds: 3));
-
-      // Check scrollTo()
-      const int X_SCROLL = 123;
-      const int Y_SCROLL = 321;
-
-      await controller.scrollTo(X_SCROLL, Y_SCROLL);
-      int scrollPosX = await controller.getScrollX();
-      int scrollPosY = await controller.getScrollY();
-      expect(X_SCROLL, scrollPosX);
-      expect(Y_SCROLL, scrollPosY);
-
-      // Check scrollBy() (on top of scrollTo())
-      await controller.scrollBy(X_SCROLL, Y_SCROLL);
-      scrollPosX = await controller.getScrollX();
-      scrollPosY = await controller.getScrollY();
-      expect(X_SCROLL * 2, scrollPosX);
-      expect(Y_SCROLL * 2, scrollPosY);
-    });
-  }, skip: !Platform.isAndroid);
-
   group('NavigationDelegate', () {
     final String blankPage = "<!DOCTYPE html><head></head><body></body></html>";
     final String blankPageEncoded = 'data:text/html;charset=utf-8;base64,' +

diff --git a/packages/webview_flutter/lib/webview_flutter.dart b/packages/webview_flutter/lib/webview_flutter.dart
@@ -6,14 +6,11 @@ import 'dart:async';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
-import 'package:flutter/rendering.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
 import 'platform_interface.dart';
 import 'src/webview_android.dart';
 import 'src/webview_cupertino.dart';
-import 'src/webview_method_channel.dart';
 
 /// Optional callback invoked when a web view is first created. [controller] is
 /// the [WebViewController] for the created web view.
@@ -67,66 +64,6 @@ enum NavigationDecision {
   navigate,
 }
 
-/// Android [WebViewPlatform] that uses [AndroidViewSurface] to build the [WebView] widget.
-///
-/// To use this, set [WebView.platform] to an instance of this class.
-///
-/// This implementation uses hybrid composition to render the [WebView] on
-/// Android. It solves multiple issues related to accessibility and interaction
-/// with the [WebView] at the cost of some performance on Android versions below
-/// 10. See https://github.com/flutter/flutter/wiki/Hybrid-Composition for more
-/// information.
-class SurfaceAndroidWebView extends AndroidWebView {
-  @override
-  Widget build({
-    BuildContext context,
-    CreationParams creationParams,
-    WebViewPlatformCreatedCallback onWebViewPlatformCreated,
-    Set<Factory<OneSequenceGestureRecognizer>> gestureRecognizers,
-    @required WebViewPlatformCallbacksHandler webViewPlatformCallbacksHandler,
-  }) {
-    assert(webViewPlatformCallbacksHandler != null);
-    return PlatformViewLink(
-      viewType: 'plugins.flutter.io/webview',
-      surfaceFactory: (
-        BuildContext context,
-        PlatformViewController controller,
-      ) {
-        return AndroidViewSurface(
-          controller: controller,
-          gestureRecognizers: gestureRecognizers ??
-              const <Factory<OneSequenceGestureRecognizer>>{},
-          hitTestBehavior: PlatformViewHitTestBehavior.opaque,
-        );
-      },
-      onCreatePlatformView: (PlatformViewCreationParams params) {
-        return PlatformViewsService.initSurfaceAndroidView(
-          id: params.id,
-          viewType: 'plugins.flutter.io/webview',
-          // WebView content is not affected by the Android view's layout direction,
-          // we explicitly set it here so that the widget doesn't require an ambient
-          // directionality.
-          layoutDirection: TextDirection.rtl,
-          creationParams: MethodChannelWebViewPlatform.creationParamsToMap(
-            creationParams,
-          ),
-          creationParamsCodec: const StandardMessageCodec(),
-        )
-          ..addOnPlatformViewCreatedListener(params.onPlatformViewCreated)
-          ..addOnPlatformViewCreatedListener((int id) {
-            if (onWebViewPlatformCreated == null) {
-              return;
-            }
-            onWebViewPlatformCreated(
-              MethodChannelWebViewPlatform(id, webViewPlatformCallbacksHandler),
-            );
-          })
-          ..create();
-      },
-    );
-  }
-}
-
 /// Decides how to handle a specific navigation request.
 ///
 /// The returned [NavigationDecision] determines how the navigation described by
@@ -508,7 +445,9 @@ WebSettings _clearUnchangedWebSettings(
 
 Set<String> _extractChannelNames(Set<JavascriptChannel> channels) {
   final Set<String> channelNames = channels == null
-      ? <String>{}
+      // TODO(iskakaushik): Remove this when collection literals makes it to stable.
+      // ignore: prefer_collection_literals
+      ? Set<String>()
       : channels.map((JavascriptChannel channel) => channel.name).toSet();
   return channelNames;
 }

diff --git a/packages/webview_flutter/pubspec.yaml b/packages/webview_flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: webview_flutter
 description: A Flutter plugin that provides a WebView widget on Android and iOS.
-version: 0.3.24
+version: 0.3.23
 homepage: https://github.com/flutter/plugins/tree/master/packages/webview_flutter
 
 environment: