multithreading on Android

mRunnable.java

/* Tradditional Java thread */
Handler mHandler = new Handler();
private final Runnable mRunnable = new Runnable() {
    public void run()
    {
        updateTotalRxBytes();
        mHandler.postDelayed(mRunnable, 1000); // repeat after 1000ms
    }
};

public void onButtonClicked() {
  mHandler.postDelayed(mRunnable, 1000);
}