public DurationPicker(Context context, AttributeSet attrs) { super(context, attrs); hours = new NumberPicker(context, attrs); minutes = new NumberPicker(context, attrs); seconds = new NumberPicker(context, attrs); hours.setOrientation(VERTICAL); minutes.setOrientation(VERTICAL); seconds.setOrientation(VERTICAL); setOrientation(HORIZONTAL); setLayoutParams( new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); addView(hours); addView(minutes); addView(seconds); }