how to use postDelayed() correctly in android studio?

Question

I have a countDownTimer and if the user does not hit the gameButton within the 12th second I want the gameOver method called. problem I either get game function called insta

Answer 1

    Thread(Runnable {
        // background work here ... 
        Handler(Looper.getMainLooper()).postDelayed(Runnable {
            // Update UI here
        }, 10000) //it will wait 10 sec before upate ui
    }).start()