How to pause / sleep thread or process in Android?

Question

I want to make a pause between two lines of code, Let me explain a bit:

-> the user clicks a button (a card in fact) and I show it by changing the background of thi

Answer 1

I use CountDownTime

new CountDownTimer(5000, 1000) {

    @Override
    public void onTick(long millisUntilFinished) {
        // do something after 1s
    }

    @Override
    public void onFinish() {
        // do something end times 5s
    }

}.start();