flutter_mpmediaplayer 1.0.0

flutter_mpmediaplayer: ^1.0.0 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_mpmediaplayer/flutter_mpmediaplayer.dart';

import 'src/library_tabs.dart';
import 'src/widgets.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'FlutterMPMediaPlayer Example',
      theme: ThemeData(colorSchemeSeed: Colors.deepPurple),
      home: const HomePage(),
    );
  }
}

/// Gates the library behind `authorize` and `authorizationStatus`.
class HomePage extends StatefulWidget {
  const HomePage({super.key});

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  AuthorizationStatus? _status;
  String? _error;
  bool _busy = false;
  bool _browsing = false;

  @override
  void initState() {
    super.initState();
    _refreshStatus();
  }

  Future<void> _refreshStatus() async {
    setState(() {
      _busy = true;
      _error = null;
    });

    try {
      final status = await FlutterMPMediaPlayer.authorizationStatus;
      if (!mounted) return;
      setState(() {
        _status = status;
        _busy = false;
        _browsing = status == AuthorizationStatus.authorized;
      });
    } on PlatformException catch (e) {
      if (!mounted) return;
      setState(() {
        _error = '${e.code}: ${e.message ?? 'no message'}';
        _busy = false;
      });
    }
  }

  Future<void> _authorize() async {
    setState(() {
      _busy = true;
      _error = null;
    });

    try {
      final status = await FlutterMPMediaPlayer.authorize();
      if (!mounted) return;
      setState(() {
        _status = status;
        _busy = false;
        _browsing = status == AuthorizationStatus.authorized;
      });
    } on PlatformException catch (e) {
      if (!mounted) return;
      setState(() {
        _error = '${e.code}: ${e.message ?? 'no message'}';
        _busy = false;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    if (_browsing) {
      return LibraryTabs(onSignOut: () => setState(() => _browsing = false));
    }

    final authorized = _status == AuthorizationStatus.authorized;

    return Scaffold(
      appBar: AppBar(title: const Text('FlutterMPMediaPlayer Example App')),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(24),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              const Icon(Icons.library_music, size: 64),
              const SizedBox(height: 16),
              Text('Authorization status: ${_status?.name ?? 'unknown'}'),
              const SizedBox(height: 16),
              // The progress bar takes the place of hiding the buttons, so the
              // controls never jump around while a call is in flight.
              SizedBox(
                height: 4,
                width: 200,
                child: _busy ? const LinearProgressIndicator() : null,
              ),
              const SizedBox(height: 16),
              FilledButton(
                onPressed: _busy ? null : _authorize,
                child: const Text('Authorize'),
              ),
              const SizedBox(height: 8),
              OutlinedButton(
                onPressed: _busy ? null : _refreshStatus,
                child: const Text('Refresh status'),
              ),
              if (authorized) ...[
                const SizedBox(height: 8),
                TextButton(
                  onPressed: () => setState(() => _browsing = true),
                  child: const Text('Browse library'),
                ),
              ],
              if (_error != null) ...[
                const SizedBox(height: 16),
                ErrorView(message: _error!, onRetry: _refreshStatus),
              ],
            ],
          ),
        ),
      ),
    );
  }
}