flutter_music_plugin 0.0.6

A new Flutter plugin for music

example/lib/main.dart

import 'dart:math';

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_music_plugin/flutter_music_plugin.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  double progress = 0;
  double maxProgress = 1;
  String _duration = '0s';
  bool isChange = false;
  int state = 0;

  @override
  void initState() {
    super.initState();
    MusicWrapper.singleton.initState();
    MusicWrapper.singleton.getMusicStateStream().listen((event) {
      if (!mounted || isChange) return;
      setState(() {
        state = event.state;
        maxProgress = max(0, event.duration * 1.0);
        progress = max(0, min(event.position * 1.0, maxProgress));
        _duration = '${progress ~/ 1000}s';
        print('$progress   $maxProgress  $_duration');
        _platformVersion = 'is Playing now position is ${event.position}';
      });
    });
//    initPlatformState();
  }

  @override
  void dispose() {
    super.dispose();
    MusicWrapper.singleton.dispose();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await MusicWrapper.singleton.playSong('111',
          "https://webfs.yun.kugou.com/202003251525/f977d1f1c39f97f737ade0c02fde13ab/G164/M01/1F/09/RIcBAF1FXz6AImQhAC0SISFl4Mw962.mp3");
    } on PlatformException {
      platformVersion = 'Failed to play music.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Column(
            children: <Widget>[
              FlatButton(
                child: Text('点击播放'),
                onPressed: () {
                  initPlatformState();
                },
              ),
              Slider(
                value: progress,
                label: _duration,
                min: 0.0,
                max: maxProgress,
                divisions: 1000000,
                activeColor: Colors.blue,
                onChanged: (value) {
                  if (!state.canSeekTo()) {
                    return;
                  }
                  setState(() {
                    progress = value;
                    _duration = '${progress ~/ 1000}s';
                  });
                },
                onChangeEnd: (value) {
                  if (!state.canSeekTo()) {
                    return;
                  }
                  setState(() {
                    MusicWrapper.singleton.seekTo(value.toInt());
                    isChange = false;
                  });
                },
                onChangeStart: (value) {
                  if (!state.canSeekTo()) {
                    return;
                  }
                  isChange = true;
                },
              )
            ],
          ),
        ),
      ),
    );
  }
}