Android time delay

Question

How to make a delay that could call a function after some time but the thread still should be running. Is there any better way than this.

new Thread(new Runnable() { 
    public void run(){
        try{ Thread.sleep(recordtime); }
        catch(Exception e){}

        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                reset();
            }
        });
    }
}).start();

Answer 1

To run some code on Ui thread , after some delay:

   Handler h = new Handler(Looper.getMainLooper());

    Runnable r = new Runnable() {
        @Override
        public void run() {
            //--code run in Main, UI thread  
        }
    };

    h.postDelayed(r,2000); //-- run after 2 seconds

Handler require a Looper on target thread. UI thread already has it, other threads need to be configured first.

Other options are:

Timer:

  Timer t = new Timer();

    t.schedule(new TimerTask() {
        @Override
        public void run() {
           //--code run in separate thread  
        }
    },2000);

And ScheduledExecutorService:

    ScheduledExecutorService se = Executors.newSingleThreadScheduledExecutor();

    se.schedule(new Runnable() {
        @Override
        public void run() {
            //--code run in separate thread
        }
    },2, TimeUnit.SECONDS);