A wrapper for WatchConnectivity on iOS and Wearable APIs on Android

Features

Communication directions:

• Android phone to Wear OS
• Wear OS to Android phone
• iPhone to Apple Watch

Communication methods:

• Send messages
• Receive messages
• Update context
• Receive context

Other features:

• Check if watches are supported by the current platform
• Tell if a watch is paired
  • On Android it is not possible to check if a watch is paired. This plugin checks if either the Wear OS or Galaxy Wearable apps are installed.
• Tell if the counterpart is reachable
  • On Android it is not possible to tell if the counterpart app is reachable. This plugin checks if any nodes are connected.
• Start an Apple Watch app from the phone app

Requirements

On Android, the watch and phone apps must:

• Have the same package name
• Be signed with the same key

Usage

import 'package:watch_connectivity/watch_connectivity.dart';

void example() {
  final watch = WatchConnectivity();

  // Get the state of device connectivity
  watch.isPaired;
  watch.isReachable;

  // Get existing data
  watch.applicationContext;
  watch.receivedApplicationContexts;

  // Send data
  watch.sendMessage({'data': 'Hello'});
  watch.updateApplicationContext({'data': 0});

  // Listen for updates
  watch.messageStream.listen(null);
  watch.contextStream.listen(null);
}