subscribe method

@override Future<bool> subscribe(String topic)

订阅主题

Implementation

@override
Future<bool> subscribe(String topic) async {
  try {
    final result = await methodChannel.invokeMethod<bool>('subscribe', {
      'topic': topic,
    });
    return result ?? false;
  } catch (e) {
    debugPrint('HuaweiPush subscribe error: $e');
    return false;
  }
}