datebutton.setOnClickListener(new View.OnClickListener() {
	            public void onClick(View v) {
	                showDialog(DATE_DIALOG_ID);
	            }
	        });


timebutton.setOnClickListener(new View.OnClickListener() {
	            public void onClick(View v) {
	                showDialog(TIME_DIALOG_ID);
	            }
	        });


@Override
	 protected Dialog onCreateDialog(int id) {
	     switch (id) {
	     case DATE_DIALOG_ID:
	         return new DatePickerDialog(getDialogContext(),
	                     mDateSetListener,
	                     mYear, mMonth, mDay);

	     case TIME_DIALOG_ID:
             return new TimePickerDialog(getDialogContext(),
                     mTimeSetListener, mHour, mMinute, false);


	     }
	     return null;
	 }