Flutter Health Data SDK | Open Wearables

import 'package:open_wearables_health_sdk/open_wearables_health_sdk.dart';

class HealthService {
  Future<void> initialize() async {
    // 1. Configure the SDK with your backend host
    await OpenWearablesHealthSdk.configure(
      host: 'https://api.openwearables.io',
    );

    // 2. Check if already signed in (session restored from secure storage)
    if (OpenWearablesHealthSdk.isSignedIn) {
      print('Session restored for ${OpenWearablesHealthSdk.currentUser?.userId}');
      return;
    }

    // 3. Get credentials from YOUR backend
    final credentials = await yourBackend.getHealthCredentials();

    // 4. Sign in with the SDK
    await OpenWearablesHealthSdk.signIn(
      userId: credentials.userId,
      accessToken: credentials.accessToken,
      refreshToken: credentials.refreshToken,
    );

    // 5. Request health permissions
    await OpenWearablesHealthSdk.requestAuthorization(
      types: [
        HealthDataType.steps,
        HealthDataType.heartRate,
        HealthDataType.sleep,
        HealthDataType.workout,
      ],
    );

    // 6. Start background sync (sync last 90 days of data)
    await OpenWearablesHealthSdk.startBackgroundSync(syncDaysBack: 90);
  }
}

import 'dart:io';

if (Platform.isAndroid) {
  // Check available providers
  final providers = await OpenWearablesHealthSdk.getAvailableProviders();
  for (final p in providers) {
    print('${p.displayName} (${p.id})');
  }

  // Set the provider (samsung or google/Health Connect)
  await OpenWearablesHealthSdk.setProvider(AndroidHealthProvider.healthConnect);
}

// Always show logs (useful for troubleshooting in production)
await OpenWearablesHealthSdk.setLogLevel(OWLogLevel.always);

// Disable all logs
await OpenWearablesHealthSdk.setLogLevel(OWLogLevel.none);

import 'package:open_wearables_health_sdk/open_wearables_health_sdk_method_channel.dart';

// Log stream from native SDK
MethodChannelOpenWearablesHealthSdk.logStream.listen((message) {
  print('[HealthSDK] $message');
});

// Auth error stream (e.g. 401 responses)
MethodChannelOpenWearablesHealthSdk.authErrorStream.listen((error) {
  print('Auth error: ${error['statusCode']} - ${error['message']}');
});