generateRandomString function
Implementation
String generateRandomString(int length) {
const chars =
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
final random = Random();
return String.fromCharCodes(Iterable.generate(
length,
(_) => chars.codeUnitAt(random.nextInt(chars.length)),
));
}