watch_connectivity 0.1.0 watch_connectivity: ^0.1.0 copied to clipboard
Wrapper for WatchConnectivity on iOS and Wearable APIs on Android
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:watch_connectivity/watch_connectivity.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _watch = WatchConnectivity();
var _count = 0;
var _paired = false;
var _reachable = false;
var _context = <String, dynamic>{};
var _receivedContexts = <Map<String, dynamic>>[];
final _log = <String>[];
@override
void initState() {
super.initState();
initPlatformState();
_watch.messageStream
.listen((e) => setState(() => _log.add('Received message: $e')));
_watch.contextStream
.listen((e) => setState(() => _log.add('Received context: $e')));
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
_paired = await _watch.isPaired;
_reachable = await _watch.isReachable;
_context = await _watch.applicationContext;
_receivedContexts = await _watch.receivedApplicationContexts;
setState(() {});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(32),
child: SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text('Paired: $_paired'),
Text('Reachable: $_reachable'),
Text('Context: $_context'),
Text('Received contexts: $_receivedContexts'),
TextButton(
child: const Text('Refresh'),
onPressed: initPlatformState,
),
const SizedBox(height: 8),
const Text('Send'),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
TextButton(
child: const Text('Message'),
onPressed: () {
final message = {'data': 'Hello'};
_watch.sendMessage(message);
setState(() => _log.add('Sent message: $message'));
},
),
const SizedBox(width: 8),
TextButton(
child: const Text('Context'),
onPressed: () {
_count++;
final context = {'data': _count};
_watch.updateApplicationContext(context);
setState(() => _log.add('Sent context: $context'));
},
),
],
),
const SizedBox(width: 8),
const Text('Log'),
..._log.reversed.map((e) => Text(e)),
],
),
),
),
),
),
);
}
}