execute only the last postDelayed

    /*
    * The function searchPlaces can be called continuously, no matter how many times it got invoked
    * the Handler will remove all the last sequence request, and execute the last one.
    * */
    
    String fieldValue = "";
    final private Handler handler = new Handler();
    final private Runnable runnable = new Runnable() {
        @Override
        public void run() {
            Log.i("searchPlaces",fieldValue);
            // Dispare aqui a ação desejada.
        }
    };
    private void searchPlaces(final View v){
        fieldValue = ((EditText) v).getText().toString(); //get the field value and add to a global variable.
        handler.removeCallbacks(runnable); // remove the previous postDelayed associated to that runnable.
        handler.postDelayed(runnable, 1000); // create a new PostDelayed with the global runnable.
    }