Flutter屏幕录制功能插件flutter_screen_recording的使用
Flutter屏幕录制功能插件 flutter_screen_recording 的使用
flutter_screen_recording 是一个用于在Android和iOS设备上进行屏幕录制的Flutter插件。该插件要求Android SDK 21+和iOS 10+。
开始使用
安装插件
首先,在您的pubspec.yaml文件中添加依赖:
dependencies:
  flutter_screen_recording: ^latest_version
然后运行flutter pub get来安装插件。
录制屏幕
开始录制
您可以选择是否同时录制音频:
- 
只录制屏幕: bool started = await FlutterScreenRecording.startRecordScreen('videoName');
- 
同时录制屏幕和音频: bool started = await FlutterScreenRecording.startRecordScreenAndAudio('videoName');
停止录制
当您需要停止录制并获取视频路径时,可以使用以下代码:
String path = await FlutterScreenRecording.stopRecordScreen;
示例Demo
下面是一个完整的示例demo,演示了如何使用flutter_screen_recording插件开始和停止屏幕录制:
import 'package:flutter/material.dart';
import 'package:flutter_screen_recording/flutter_screen_recording.dart';
void main() {
  runApp(MyApp());
}
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Screen Recording Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Screen Recording Demo Home Page'),
    );
  }
}
class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;
  @override
  _MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
  bool isRecording = false;
  void _startRecording() async {
    bool started = await FlutterScreenRecording.startRecordScreenAndAudio('my_video');
    if (started) {
      setState(() {
        isRecording = true;
      });
    }
  }
  void _stopRecording() async {
    String path = await FlutterScreenRecording.stopRecordScreen;
    if (path != null) {
      setState(() {
        isRecording = false;
      });
      print('Video saved at: $path');
    }
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              isRecording ? '正在录制...' : '未在录制',
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: isRecording ? _stopRecording : _startRecording,
              child: Text(isRecording ? '停止录制' : '开始录制'),
            ),
          ],
        ),
      ),
    );
  }
}
平台特定配置
Android
由于flutter_screen_recording不会自动请求必要的权限,您需要手动处理权限问题。推荐使用permission_handler插件来管理权限。
在您的AndroidManifest.xml中添加以下权限:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
并在<application>标签内添加服务声明:
<service
    android:name="com.foregroundservice.ForegroundService"
    android:foregroundServiceType="mediaProjection">
</service>
iOS
在iOS平台上,您只需在Info.plist中添加相应的权限描述:
<key>NSPhotoLibraryUsageDescription</key>
<string>Save video in gallery</string>
<key>NSMicrophoneUsageDescription</key>
<string>Save audio in video</string>
更多关于Flutter屏幕录制功能插件flutter_screen_recording的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html
更多关于Flutter屏幕录制功能插件flutter_screen_recording的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
当然,下面是一个关于如何使用 flutter_screen_recording 插件来实现 Flutter 屏幕录制功能的代码案例。
首先,确保你已经在 pubspec.yaml 文件中添加了 flutter_screen_recording 依赖:
dependencies:
  flutter:
    sdk: flutter
  flutter_screen_recording: ^x.y.z  # 请替换为最新版本号
然后运行 flutter pub get 来获取依赖。
接下来,是一个简单的 Flutter 应用示例,展示了如何使用 flutter_screen_recording 插件进行屏幕录制:
import 'package:flutter/material.dart';
import 'package:flutter_screen_recording/flutter_screen_recording.dart';
import 'dart:io';
void main() {
  runApp(MyApp());
}
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Screen Recording Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: ScreenRecordingDemo(),
    );
  }
}
class ScreenRecordingDemo extends StatefulWidget {
  @override
  _ScreenRecordingDemoState createState() => _ScreenRecordingDemoState();
}
class _ScreenRecordingDemoState extends State<ScreenRecordingDemo> {
  late FlutterScreenRecorder _flutterScreenRecorder;
  bool _isRecording = false;
  @override
  void initState() {
    super.initState();
    _flutterScreenRecorder = FlutterScreenRecorder();
  }
  void _startRecording() async {
    setState(() {
      _isRecording = true;
    });
    try {
      final String videoPath = await _flutterScreenRecorder.startRecording(
        outputFilePath: '/storage/emulated/0/DCIM/Camera/recorded_video.mp4',  // 指定保存路径
        videoBitRate: 5000000,  // 视频比特率
        frameRate: 30,  // 帧率
      );
      print("Recording started. Video will be saved at: $videoPath");
    } catch (e) {
      print("Error starting recording: $e");
      setState(() {
        _isRecording = false;
      });
    }
  }
  void _stopRecording() async {
    setState(() {
      _isRecording = false;
    });
    try {
      await _flutterScreenRecorder.stopRecording();
      print("Recording stopped.");
    } catch (e) {
      print("Error stopping recording: $e");
    }
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter Screen Recording Demo'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'Press the buttons to start and stop recording.',
            ),
            SizedBox(height: 20),
            ElevatedButton(
              onPressed: _isRecording ? null : _startRecording,
              child: Text('Start Recording'),
            ),
            SizedBox(height: 10),
            ElevatedButton(
              onPressed: _isRecording ? _stopRecording : null,
              child: Text('Stop Recording'),
            ),
          ],
        ),
      ),
    );
  }
}
注意事项
- 
权限处理:在 Android 上,你需要在 AndroidManifest.xml文件中请求存储权限。此外,在运行时请求权限也是一个好做法。<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>并在代码中请求权限(例如使用 permission_handler插件)。
- 
路径问题:在示例中,输出文件路径是硬编码的。在实际应用中,你可能需要使用更动态的方式来确定路径,并确保路径是有效的和可写的。 
- 
错误处理:示例中的错误处理是基本的。在实际应用中,你可能需要更健壮的错误处理逻辑。 
- 
插件版本:确保你使用的是最新版本的 flutter_screen_recording插件,因为插件的 API 可能会随着版本更新而变化。
这个示例提供了一个基本的框架,你可以根据需要进行扩展和修改。
 
        
       
             
             
            

