Question

i posted a question (here) about how to change UI elements in a timer task, this is fine now.

but when i have a code like this:

        countInt = 0;
        timer = new Timer();
        timer.schedule(new TimerTask() {
            public void run() {
                countInt = countInt + 1;
            }
        }, 1000);

the counterInt var is saved in the activity where also this code is in.

how to change this value without crashing?

Answer 1

I think there are two possibilities:

1) Make countInt into an Integer object and synchronize access to it EVERYWHERE you use it:

Integer countInt=0;

synchronized(countInt){
    countInt++;
}

2) Use the AtomicInteger, which might even work better, as it does not block any threads. This prevents the UI from locking up.