fun generarStringAleatorio1() {

        val string = UUID.randomUUID().toString().substring(0, 12);

        Log.e("String Aleatorio 1: ", string);

}

fun generarStringAleatorio2() {

        val caracteres = ('A'..'Z') + ('a'..'z') + ('0'..'9');
        var string = ""
        for(i in (1..10)){
            string += caracteres[(Math.random() * (caracteres.size - 1)).roundToInt()]
        }
        Log.e("String Aleatorio 2: ", string);
}