voo_watch 0.2.0

voo_watch: ^0.2.0 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:voo_watch/complications.dart';
import 'package:voo_watch/haptics.dart';
import 'package:voo_watch/health.dart';
import 'package:voo_watch/voo_watch.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  VooWatch.instance.registerCodec<PingMessage>('ping', PingMessage.fromJson);
  runApp(const _App());
}

class PingMessage extends VooWatchMessage {
  const PingMessage(this.text);

  factory PingMessage.fromJson(Map<String, Object?> json) => PingMessage(json['text']! as String);

  final String text;

  @override
  String get type => 'ping';

  @override
  Map<String, Object?> toJson() => <String, Object?>{'text': text};
}

class _App extends StatelessWidget {
  const _App();

  @override
  Widget build(BuildContext context) => MaterialApp(
        title: 'voo_watch example',
        theme: ThemeData(useMaterial3: true, colorSchemeSeed: Colors.indigo),
        home: const _Home(),
      );
}

class _Home extends StatefulWidget {
  const _Home();

  @override
  State<_Home> createState() => _HomeState();
}

class _HomeState extends State<_Home> {
  String _lastReceived = '';
  double _heartRate = 0;

  @override
  void initState() {
    super.initState();
    VooWatch.instance.messages<PingMessage>().listen((msg) {
      setState(() => _lastReceived = msg.text);
    });
    VooWatch.instance.health.samples.listen((sample) {
      if (sample.metric == VooWatchHealthMetric.heartRate) {
        setState(() => _heartRate = sample.value);
      }
    });
  }

  @override
  Widget build(BuildContext context) => Scaffold(
        appBar: AppBar(title: const Text('voo_watch')),
        body: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: <Widget>[
              VooWatchReachabilityBuilder(
                builder: (context, state) => Card(
                  child: ListTile(
                    leading: Icon(_iconFor(state)),
                    title: const Text('Watch reachability'),
                    subtitle: Text(state.name),
                  ),
                ),
              ),
              const SizedBox(height: 12),
              Card(
                child: ListTile(
                  title: const Text('Last message from watch'),
                  subtitle: Text(_lastReceived.isEmpty ? '— none yet —' : _lastReceived),
                ),
              ),
              const SizedBox(height: 12),
              Card(
                child: ListTile(
                  title: const Text('Heart rate'),
                  subtitle: Text(_heartRate == 0 ? '—' : '${_heartRate.toStringAsFixed(0)} bpm'),
                ),
              ),
              const SizedBox(height: 24),
              FilledButton.icon(
                onPressed: () => VooWatch.instance.send(const PingMessage('hello watch')),
                icon: const Icon(Icons.send),
                label: const Text('Send ping'),
              ),
              const SizedBox(height: 8),
              FilledButton.tonalIcon(
                onPressed: () => VooWatch.instance.haptics.fire(VooWatchHapticType.success),
                icon: const Icon(Icons.vibration),
                label: const Text('Fire haptic'),
              ),
              const SizedBox(height: 8),
              FilledButton.tonalIcon(
                onPressed: () => VooWatch.instance.complications.update(
                  const VooWatchComplicationData(id: 'steps', shortText: '8.2k', longText: '8,234 steps', progress: 0.82),
                ),
                icon: const Icon(Icons.dashboard_customize),
                label: const Text('Update complication'),
              ),
              const SizedBox(height: 8),
              FilledButton.tonalIcon(
                onPressed: () => VooWatch.instance.health.subscribe(<VooWatchHealthMetric>{VooWatchHealthMetric.heartRate}),
                icon: const Icon(Icons.favorite),
                label: const Text('Subscribe to heart rate'),
              ),
            ],
          ),
        ),
      );

  IconData _iconFor(VooWatchReachability state) {
    switch (state) {
      case VooWatchReachability.notPaired:
        return Icons.watch_off;
      case VooWatchReachability.pairedButNotReachable:
        return Icons.watch_later;
      case VooWatchReachability.reachable:
        return Icons.watch;
    }
  }
}