class TimePickerFragment extends DialogFragment
            implements TimePickerDialog.OnTimeSetListener {

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            // Use the current time as the default values for the picker
            final Calendar c = Calendar.getInstance();
            int hour = c.get(Calendar.HOUR_OF_DAY);
            int minute = c.get(Calendar.MINUTE);

            // Create a new instance of TimePickerDialog and return it
            return new TimePickerDialog(getActivity(), this, hour, minute,
                    DateFormat.is24HourFormat(getActivity()));
        }

        public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
            // Do something with the time chosen by the user
            if (hourOfDay < 10) {
                startTime.setText("0" + Integer.toString(hourOfDay) + ":" + Integer.toString(minute));
            } else if (minute < 10) {
                startTime.setText(Integer.toString(hourOfDay) + ":0" + Integer.toString(minute));
            } else if (hourOfDay < 10 && minute < 10) {
                startTime.setText("0" + Integer.toString(hourOfDay) + ":0" + Integer.toString(minute));
            } else if (minute == 0) {
                startTime.setText(Integer.toString(hourOfDay) + ":00");
            } else
                startTime.setText(Integer.toString(hourOfDay) + ":" + Integer.toString(minute));
        }
    }

TimePickerDialog (Context context,
            int themeResId,
            TimePickerDialog.OnTimeSetListener listener,
            int hourOfDay,
            int minute,
            boolean is24HourView)

TimePickerDialog dialog = new TimePickerDialog(getActivity(), this, hour, minute, false);
dialog.setTitle(null);