getAppSignature method

Future<String?> getAppSignature()

This method outputs hash that is required for SMS Retriever API https://developers.google.com/identity/sms-retriever/overview?hl=en SMS must contain this hash at the end of the text Note that hash for debug and release if different

Implementation

Future<String?> getAppSignature() async {
  if (_isAndroid(Methods.getAppSignature)) {
    return _channel.invokeMethod(Methods.getAppSignature);
  }
  return null;
}