getRandId function

String getRandId()

Implementation

String getRandId() {
  const alphabet =
      'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  const length = 20;
  final buffer = StringBuffer();
  final random = Random.secure();

  for (int i = 0; i < length; i++) {
    buffer.write(alphabet[random.nextInt(length)]);
  }
  return buffer.toString();
}