Flutter音频选择插件better_audio_picker_plugin的使用

Flutter音频选择插件better_audio_picker_plugin的使用

安装开始

1. 在你的pubspec.yaml文件中添加以下依赖：

dependencies:
  better_audio_picker_plugin: ^0.0.6

1. 安装依赖：

$ flutter packages get

常规用法

// 监听音频搜索结果
scanResultStreamSubscription = audioPickerPlugin.scanResultStream.listen((event) {
  print("音频搜索结果：$event");
  setState(() {
    audioList = event;
  });
});

// 开始扫描音频
audioPickerPlugin.scanAudio();

// 监听音频选择结果
pickResultStreamSubscription = audioPickerPlugin.pickResultStream.listen((event) {
  print("音频保存路径：$event");
});

// 选择音频并保存到指定路径
audioPickerPlugin.pickAudio(uri: audio.uri);

特性

• 可以在Android平台上选择音频

完整示例代码

import 'dart:async';
import 'package:better_audio_picker_plugin/better_audio_picker_plugin.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:path/path.dart' as path;

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

class MyApp extends StatefulWidget {
  [@override](/user/override)
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  late BetterAudioPickerPlugin audioPickerPlugin;
  late StreamSubscription scanResultStreamSubscription;
  late StreamSubscription pickResultStreamSubscription;

  List<BetterAudioPickerPluginAudioModel> audioList = [];

  [@override](/user/override)
  void initState() {
    super.initState();

    // 初始化音频选择插件
    audioPickerPlugin = BetterAudioPickerPlugin();

    // 监听音频搜索结果
    scanResultStreamSubscription = audioPickerPlugin.scanResultStream.listen((event) {
      print("音频搜索结果：$event");
      setState(() {
        audioList = event;
      });
    });

    // 监听音频选择结果
    pickResultStreamSubscription = audioPickerPlugin.pickResultStream.listen((event) {
      print("音频保存路径：$event");
    });

    // 请求存储权限并开始扫描音频
    Future.delayed(Duration.zero, () async {
      if (await Permission.storage.isGranted) {
        audioPickerPlugin.scanAudio();
      } else if (!(await Permission.storage.isPermanentlyDenied)) {
        final status = await Permission.storage.request();
        if (status == PermissionStatus.granted) {
          audioPickerPlugin.scanAudio();
        } else {
          openAppSettings();
        }
      } else {
        openAppSettings();
      }
    });
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: ListView.builder(
          itemBuilder: (context, index) {
            final audio = audioList[index];
            return CupertinoButton(
              child: Text("${audio.name}"),
              onPressed: () async {
                final tempDirectory = await getTemporaryDirectory();
                final tempPath = path.join(tempDirectory.path, audio.name);
                audioPickerPlugin.pickAudio(uri: audio.uri, path: tempPath);
              },
            );
          },
          itemCount: audioList.length,
        ),
      ),
    );
  }
}