我希望這給你如何實現你在找什麼的想法。我意識到這不是您正在尋找的確切解決方案,但它是一個開始。
這是我用於我的TimePickerDialogFragment的代碼。這是爲了顯示TimePicker
某些間隔的分鐘段(如5,10,或15分鐘)。
在這種會叫你將需要實現回調監聽器TimePickerDialogFragment活動:
implements TimePickerDialogFragment.EditTimeDialogListener
然後你可以像這樣調用對話框。本實施例中,使分進入15分鐘的間隔:
TimePickerDialogFragment picker = TimePickerDialogFragment.newInstance("Select a Time", initialStartHour, 15);
picker.show(getFragmentManager(), "TimePickerDialogFragment");
initialStartHour
是我initalize拾取器具有例如10對於10 AM的小時。
我的TimePickerDialogFragment的代碼設置爲設置間隔分鐘。
public class TimePickerDialogFragment extends DialogFragment {
private static final String ARG_TITLE = "title";
private static final String ARG_START_HOUR = "startHour";
private static final String ARG_MINUTE_INTERVAL = "minute_interval";
private static final DecimalFormat FORMATTER = new DecimalFormat("00");
NumberPicker minutePicker;
private String title;
private int startHour;
private int minuteInterval;
private String selectedTime;
private EditTimeDialogListener mListener;
public TimePickerDialogFragment() {
}
public static TimePickerDialogFragment newInstance(String title, int startHour, int minuteInterval) {
TimePickerDialogFragment fragment = new TimePickerDialogFragment();
Bundle args = new Bundle();
args.putString(ARG_TITLE, title);
args.putInt(ARG_START_HOUR, startHour);
args.putInt(ARG_MINUTE_INTERVAL, minuteInterval);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
title = getArguments().getString(ARG_TITLE);
startHour = getArguments().getInt(ARG_START_HOUR);
minuteInterval = getArguments().getInt(ARG_MINUTE_INTERVAL);
}
}
@Override
public Dialog onCreateDialog(Bundle saveIntsanceState){
final Context context = getActivity();
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
LayoutInflater inflater = getActivity().getLayoutInflater();
View rootView = inflater.inflate(R.layout.fragment_time_picker_dialog, null, false);
final TimePicker picker = (TimePicker) rootView.findViewById(R.id.timePicker);
View minute = picker.findViewById(Resources.getSystem().getIdentifier("minute", "id", "android"));
setMinutePicker(minute);
//Block number keyboard
picker.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
picker.setCurrentHour(startHour);
picker.setCurrentMinute(0);
// setHour is available for API level 23 and above!!
// picker.setHour(startHour);
final TextView tvTitle = (TextView)rootView.findViewById(R.id.tvTimePickerDialogTitle);
tvTitle.setText(title);
// picker.setSpinnersShown(false);
// picker.setCalendarViewShown(true);
builder.setView(rootView)
// setTitle is available for API level 23 and above!!
// .setTitle(title)
.setPositiveButton(R.string.ok_button_dialog_title, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// call the method on the parent activity when user click the positive button
Integer h = picker.getCurrentHour();
Integer m = picker.getCurrentMinute() * minuteInterval;
String hh = h.toString();
if(h < 10){
hh = "0" + hh;
}
String mm = m.toString();
if(m < 10){
mm = "0" + mm;
}
selectedTime = hh + mm;
if(mListener == null) mListener = (EditTimeDialogListener) context;
mListener.onFinishTimeDialog(selectedTime);
}
})
.setNegativeButton(R.string.cancel_button_dialog_title, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// call the method on the parent activity when user click the negative button
}
});
return builder.create();
}
private void setMinutePicker(View minute){
int n = 60/minuteInterval;
String[] displayValues = new String[n];
for(int i = 0; i < n; i++){
displayValues[i] = FORMATTER.format(i*minuteInterval);
}
if((minute != null) && (minute instanceof NumberPicker)){
minutePicker = (NumberPicker) minute;
minutePicker.setMinValue(0);
minutePicker.setMaxValue(n-1);
minutePicker.setDisplayedValues(displayValues);
}
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
try {
if(mListener == null) mListener = (EditTimeDialogListener) context;
}
catch (Exception ex){
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
public interface EditTimeDialogListener {
void onFinishTimeDialog(String selectedTime);
}
}
現在,所有你需要做的是提取您的電話活動與該片段中選擇的時間:
@Override
public void onFinishTimeDialog(String selectedTime) {
// Now set the TextView text!!
mHora.setText(selectedTime);
}
我始終創建自己的自定義TimePicker對話框,這是我從一個TimePicker創建。從那裏我抓住小時或分鐘NumberPicker並設置setMinValue和/或setMaxValue。 – Barns
我該怎麼辦?你有使用setMax/Min值的例子嗎? @ Barns52 – TiagoIB
我發佈了一個自定義TimePicker對話框的例子。 – Barns