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// 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/material.dart';
import 'package:flutter_driver/driver_extension.dart';

void main() {
  enableFlutterDriverExtension();
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  runApp(const MyApp());
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}

/// The main app entrance of the test
class MyApp extends StatelessWidget {
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  const MyApp({Key? key}) : super(key: key);
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  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

/// A page with a button in the center.
///
/// On press the button, a page with platform view should be pushed into the scene.
class MyHomePage extends StatefulWidget {
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  const MyHomePage({Key? key, this.title}) : super(key: key);
  final String? title;
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  @override
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  State<MyHomePage> createState() => _MyHomePageState();
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}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
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        title: Text(widget.title ?? ''),
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      ),
      body: Column(children: <Widget>[
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        TextButton(
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          key: const ValueKey<String>('platform_view_button'),
          child: const Text('show platform view'),
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute<PlatformViewPage>(
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                  builder: (BuildContext context) => const PlatformViewPage()),
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            );
          },
        ),
        // Push this button to perform an animation, which ensure the threads are unmerged after the animation.
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        ElevatedButton(
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          key: const ValueKey<String>('unmerge_button'),
          child: const Text('Tap to unmerge threads'),
          onPressed: () {},
        ),
      ]),
    );
  }
}

/// A page contains the platform view to be tested.
class PlatformViewPage extends StatelessWidget {
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  const PlatformViewPage({Key? key}) : super(key: key);
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  static Key button = const ValueKey<String>('plus_button');
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  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Platform View'),
      ),
      body: Column(
        children: <Widget>[
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          const Expanded(
            child: SizedBox(
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              width: 300,
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              child: UiKitView(viewType: 'platform_view'),
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            ),
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          ),
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          ElevatedButton(
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            key: button,
            child: const Text('button'),
            onPressed: (){},
          )
        ],
      ),
    );
  }
}