generateGuid function
Returns a random GUID with the given length
consisting of numbers and uppercase/lowercase letters.
Implementation
String generateGuid([int length = 4]) {
const String characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
var guid = '';
for (var i = 0; i < length; i++) {
guid += characters[_guidRandom.nextInt(characters.length)];
}
return guid;
}