unhexlify static method
Change the file from hex to bin
Implementation
static List<int> unhexlify(String hexString){
Uint8List htb = Uint8List(hexString.length~/2);
//print(hexString);
int j = 0;
for(int i = 0; i < hexString.length; i+=2){
htb[j] = int.parse(hexString.substring(i, i + 2),radix: 16);
j++;
}
return htb;
}