Uint8List integerToBytes(int e, int length)

Converts integer e into Uint8List with length length.

integerToBytes(1, 32); // [0, 4, ... 0, 0, 0, 0, 0]

Source

Uint8List integerToBytes(int e, int length) {
  var byteList = new Uint8List(length);
  for (var i = 0; i < length; i++) {
    byteList[0 + i] = (e >> (i * 8));
  }
  ;
  return byteList;
}