getDeviceId method

@override Future<String?> getDeviceId()

Invoke native code to return a device id for iOS and an unique identifer for Android. Throw an error if getDeviceId is not implemented for a platform.

Implementation

@override
Future<String?> getDeviceId() async {
  final deviceId = await methodChannel.invokeMethod<String>('getDeviceId');
  return deviceId;
}