/**
     * Timer using Threading
     *
     * @param view
     */
    private void startCountUsingThread(final View view) {
        thread = new Thread() {
            @Override
            public void run() {
                try {
                    while (true) {
                        sleep(1000);

                        second++;
                        view.post(new Runnable() {
                            @Override
                            public void run() {
                                update();
                            }
                        });
                    }
                } catch (InterruptedException e) {
                }
            }
        };
        thread.start();
    }


    /**
     * refresh timer's textfield
     */
    private void update() {
        final TextView textView = (TextView) this.findViewById(R.id.textView_counter);
        textView.setText(this.reformat(this.second));
    }