Android - Update TextView periodically

Question

I simply want to update a TextView periodically by a service. Let\'s say the TextView should display the time and update itself every 30 seconds. Could\'t you guys tell me how I

Answer 1

Handler h = new Handler();
int delay = 30000; //milliseconds

h.postDelayed(new Runnable(){
    public void run(){
        editText.setText(java.text.DateFormat.getDateTimeInstance().format(Calendar.getInstance().getTime())+"");
        h.postDelayed(this, delay);
    }
}, delay);