TimePickerDialogFragment.java

public class TimePickerDialogFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener {
	private static final String DIALOG_HOUR = "my.package:INITIAL_HOUR";
	private static final String DIALOG_MINUTE = "my.package:INITIAL_MINUTE";

	//My custom listener
	private OnTimePickedListener mListener;
	private int mDialogRequestCode;

	//Use dialogRequestCode to discriminate dialogs in OnTimePickedListener#onTimePicked method. I think you could also use dialog tag string instead of integer variable.
	public static TimePickerDialogFragment newInstance(int hour, int minute, int dialogRequestCode, OnTimePickedListener listener) {
		TimePickerDialogFragment fragment = new TimePickerDialogFragment();
		Bundle args = new Bundle();
		args.putInt(DIALOG_HOUR, hour);
		args.putInt(DIALOG_MINUTE, minute);
		fragment.setArguments(args);
		fragment.setListener(listener);
		mDialogRequestCode = dialogRequestCode;
		return fragment;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setStyle(DialogFragment.STYLE_NORMAL, R.style.AppTheme);
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
		int hour = getArguments().getInt(DIALOG_HOUR);
		int minute = getArguments().getInt(DIALOG_MINUTE);
		return new TimePickerDialog(getActivity(), this, hour, minute, DateFormat.is24HourFormat(getActivity()));
	}

	@Override
	public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
		if (null != mListener) {
			mListener.onTimePicked(hourOfDay, minute, mDialogRequestCode);
		}
	}

	public OnTimePickedListener getListener() {
		return mListener;
	}

	public void setListener(OnTimePickedListener listener) {
		this.mListener = listener;
	}

	public interface OnTimePickedListener {
		public void onTimePicked(int hourOfDay, int minute, int dialogRequestCode);
	}

}