dev/benchmarks/platform_views_layout_hybrid_composition/lib/android_platform_view.dart

// Copyright 2014 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.

import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';

class AndroidPlatformView extends StatelessWidget {
  /// Creates a platform view for Android, which is rendered as a
  /// native view.
  const AndroidPlatformView({
    Key key,
    @required this.viewType,
  })  : assert(viewType != null),
        super(key: key);

  /// The unique identifier for the view type to be embedded by this widget.
  ///
  /// A PlatformViewFactory for this type must have been registered.
  final String viewType;

  @override
  Widget build(BuildContext context) {
    return PlatformViewLink(
      viewType: viewType,
      surfaceFactory:
          (BuildContext context, PlatformViewController controller) {
        return AndroidViewSurface(
          controller: controller as AndroidViewController,
          gestureRecognizers: const <Factory<OneSequenceGestureRecognizer>>{},
          hitTestBehavior: PlatformViewHitTestBehavior.opaque,
        );
      },
      onCreatePlatformView: (PlatformViewCreationParams params) {
        return PlatformViewsService.initSurfaceAndroidView(
          id: params.id,
          viewType: viewType,
          layoutDirection: TextDirection.ltr,
          creationParams: null,
          creationParamsCodec: const StandardMessageCodec(),
        )
          ..addOnPlatformViewCreatedListener(params.onPlatformViewCreated)
          ..create();
      },
    );
  }
}