在Flutter中,有一个名为`chewie`的插件可以用来显示网络图片和视频。它是基于`video_player`插件开发的,并提供了一些额外的功能,如自定义控制器、全屏模式等。
要使用`chewie`插件,您需要在`pubspec.yaml`文件中添加以下依赖项:
```
dependencies:
chewie: ^1.2.0
```
然后,您可以使用`Chewie`组件来显示网络图片和视频。以下是一个简单的示例代码:
```
import 'package:flutter/material.dart';
import 'package:chewie/chewie.dart';
import 'package:video_player/video_player.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Chewie Demo',
home: ChewieDemo(),
);
}
}
class ChewieDemo extends StatefulWidget {
@override
_ChewieDemoState createState() => _ChewieDemoState();
}
class _ChewieDemoState extends State {
VideoPlayerController _controller;
ChewieController _chewieController;
@override
void initState() {
super.initState();
_controller = VideoPlayerController.network(
'https://flutter.github.io/assets-for-api-docs/assets/videos/butterfly.mp4');
_chewieController = ChewieController(
videoPlayerController: _controller,
aspectRatio: 16 / 9,
autoPlay: true,
looping: true,
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Chewie Demo'),
),
body: Center(
child: Chewie(
controller: _chewieController,
),
),
);
}
@override
void dispose() {
super.dispose();
_controller.dispose();
_chewieController.dispose();
}
}
```
在这个示例中,我们创建了一个`VideoPlayerController`对象并将其与Flutter官方提供的视频URL关联起来。然后,