DigitalClock HH:MM for Android

DigitalClock.java

package com.derekstavis;

public class DigitalClock extends TextView {
	private int hours;
	private int minutes;
	private int seconds;
	
	private Timer clockTimer;
	private final TimerTask clockTask = new TimerTask() {
		@Override
		public void run() {
			mHandler.post(mUpdateResults);
		}
	};
	
	final Handler mHandler = new Handler();
        final Runnable mUpdateResults = new Runnable() {
            public void run() {
                update();
            }
        };
	
	public DigitalClock(Context context) {
		super(context);
		init();
	}
	
	private void update() {
		seconds++;
		
		if (seconds >= 60) {
			seconds = 0;
			if (minutes < 59) {
				minutes++;
			} else if (hours < 23) {
				minutes = 0;
				hours++;
			} else {
				minutes = 0;
				hours = 0;
			}
		}
		if (seconds % 2 == 0) {
			setText(String.format("%02d:%02d", hours, minutes));
		} else {
			setText(String.format("%02d %02d", hours, minutes));
		}
	}
	
	private void init() {		
		clockTimer = new Timer();
		
		Calendar mCalendar = Calendar.getInstance(); 
		hours = mCalendar.get(Calendar.HOUR_OF_DAY);
		minutes = mCalendar.get(Calendar.MINUTE);
		seconds = mCalendar.get(Calendar.SECOND);
		
		clockTimer.scheduleAtFixedRate(clockTask, 0, 1000);
	}

	public DigitalClock(Context context, AttributeSet attrs) {
		super(context, attrs);
		init();
	}

	public DigitalClock(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
		init();
	}

}

your_layout.xml

<com.derekstavis.DigitalClock
        android:id="@+id/digitalClock"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="120dp"/>