randomString function
dynamic
randomString({})
Implementation
randomString({int len = 10, String charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@#\$%^&*()_+'}) {
var randomString = '';
for (var i = 0; i < len; i++) {
var randomPoz = (Math.Random().nextInt(charSet.length - 1)).floor();
randomString += charSet.substring(randomPoz, randomPoz + 1);
}
return randomString + Timeline.now.toString();
}