Android Handler Example

  Handler mHandler;
  public void useHandler() {
    mHandler = new Handler();
    mHandler.postDelayed(mRunnable, 1000);
  }

  private Runnable mRunnable = new Runnable() {

    @Override
    public void run() {
      /** Do something **/
      mHandler.postDelayed(mRunnable, 1000);
    }
  };