getRandomString method
String
getRandomString(
{ - int lowersCount = 3,
- int uppersCount = 3,
- int numbersCount = 3,
- int specialsCount = 1,
- String specials = '_',
- bool canSpecialRepeat = true,
})
Implementation
String getRandomString({
int lowersCount = 3,
int uppersCount = 3,
int numbersCount = 3,
int specialsCount = 1,
String specials = '_',
bool canSpecialRepeat = true,
}) {
var uuid = '';
for (var i = 0; i < lowersCount; i++) {
uuid += lowers[_random.nextInt(lowers.length)];
}
for (var i = 0; i < uppersCount; i++) {
uuid += uppers[_random.nextInt(uppers.length)];
}
for (var i = 0; i < numbersCount; i++) {
uuid += numbers[_random.nextInt(numbers.length)];
}
if (!canSpecialRepeat) {
if (specialsCount > specials.length) {
specialsCount = specials.length;
}
}
for (var i = 0; i < specialsCount; i++) {
var specialChar = specials[_random.nextInt(specials.length)];
uuid += specialChar;
if (!canSpecialRepeat) {
specials = specials.replaceAll(specialChar, '');
}
}
var shuffled = (uuid.split('')..shuffle()).join();
return shuffled != '' ? shuffled : 'yoo';
}