hexStringToByteArray static method

Uint8List hexStringToByteArray(
  1. String hex
)

Implementation

static Uint8List hexStringToByteArray(String hex) {
  final len = hex.length;
  final data = Uint8List(len ~/ 2);
  for (int i = 0; i < len; i += 2) {
    data[i ~/ 2] = ((int.parse(hex[i], radix: 16) << 4) +
        int.parse(hex[i + 1], radix: 16));
  }
  return data;
}