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DatePickerDialog.javaAPI DocAndroid 5.1 API7603Thu Mar 12 22:22:10 GMT 2015android.app

DatePickerDialog

public class DatePickerDialog extends AlertDialog implements android.widget.DatePicker.OnDateChangedListener, android.content.DialogInterface.OnClickListener
A simple dialog containing an {@link android.widget.DatePicker}.

See the Pickers guide.

Fields Summary
private static final String
YEAR
private static final String
MONTH
private static final String
DAY
private final android.widget.DatePicker
mDatePicker
private final OnDateSetListener
mDateSetListener
private final Calendar
mCalendar
private boolean
mTitleNeedsUpdate
private final android.widget.DatePicker.ValidationCallback
mValidationCallback
Constructors Summary
public DatePickerDialog(android.content.Context context, OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth)

param
context The context the dialog is to run in.
param
callBack How the parent is notified that the date is set.
param
year The initial year of the dialog.
param
monthOfYear The initial month of the dialog.
param
dayOfMonth The initial day of the dialog.


                      
       

                                                        
                
    

                                                       
      
             
             
             
              
        this(context, 0, callBack, year, monthOfYear, dayOfMonth);
public DatePickerDialog(android.content.Context context, int theme, OnDateSetListener listener, int year, int monthOfYear, int dayOfMonth)

param
context The context the dialog is to run in.
param
theme the theme to apply to this dialog
param
listener How the parent is notified that the date is set.
param
year The initial year of the dialog.
param
monthOfYear The initial month of the dialog.
param
dayOfMonth The initial day of the dialog.

        super(context, resolveDialogTheme(context, theme));

        mDateSetListener = listener;
        mCalendar = Calendar.getInstance();

        final Context themeContext = getContext();
        final LayoutInflater inflater = LayoutInflater.from(themeContext);
        final View view = inflater.inflate(R.layout.date_picker_dialog, null);
        setView(view);
        setButton(BUTTON_POSITIVE, themeContext.getString(R.string.ok), this);
        setButton(BUTTON_NEGATIVE, themeContext.getString(R.string.cancel), this);
        setButtonPanelLayoutHint(LAYOUT_HINT_SIDE);

        mDatePicker = (DatePicker) view.findViewById(R.id.datePicker);
        mDatePicker.init(year, monthOfYear, dayOfMonth, this);
        mDatePicker.setValidationCallback(mValidationCallback);
Methods Summary
public android.widget.DatePickergetDatePicker()
Gets the {@link DatePicker} contained in this dialog.

return
The calendar view.

        return mDatePicker;
public voidonClick(android.content.DialogInterface dialog, int which)

        switch (which) {
            case BUTTON_POSITIVE:
                if (mDateSetListener != null) {
                    mDateSetListener.onDateSet(mDatePicker, mDatePicker.getYear(),
                            mDatePicker.getMonth(), mDatePicker.getDayOfMonth());
                }
                break;
            case BUTTON_NEGATIVE:
                cancel();
                break;
        }
public voidonDateChanged(android.widget.DatePicker view, int year, int month, int day)

        mDatePicker.init(year, month, day, this);
        updateTitle(year, month, day);
public voidonRestoreInstanceState(android.os.Bundle savedInstanceState)

        super.onRestoreInstanceState(savedInstanceState);
        final int year = savedInstanceState.getInt(YEAR);
        final int month = savedInstanceState.getInt(MONTH);
        final int day = savedInstanceState.getInt(DAY);
        mDatePicker.init(year, month, day, this);
public android.os.BundleonSaveInstanceState()

        final Bundle state = super.onSaveInstanceState();
        state.putInt(YEAR, mDatePicker.getYear());
        state.putInt(MONTH, mDatePicker.getMonth());
        state.putInt(DAY, mDatePicker.getDayOfMonth());
        return state;
static intresolveDialogTheme(android.content.Context context, int resid)

        if (resid == 0) {
            final TypedValue outValue = new TypedValue();
            context.getTheme().resolveAttribute(R.attr.datePickerDialogTheme, outValue, true);
            return outValue.resourceId;
        } else {
            return resid;
        }
public voidupdateDate(int year, int monthOfYear, int dayOfMonth)
Sets the current date.

param
year The date year.
param
monthOfYear The date month.
param
dayOfMonth The date day of month.

        mDatePicker.updateDate(year, monthOfYear, dayOfMonth);
private voidupdateTitle(int year, int month, int day)

        if (!mDatePicker.getCalendarViewShown()) {
            mCalendar.set(Calendar.YEAR, year);
            mCalendar.set(Calendar.MONTH, month);
            mCalendar.set(Calendar.DAY_OF_MONTH, day);
            String title = DateUtils.formatDateTime(mContext,
                    mCalendar.getTimeInMillis(),
                    DateUtils.FORMAT_SHOW_DATE
                    | DateUtils.FORMAT_SHOW_WEEKDAY
                    | DateUtils.FORMAT_SHOW_YEAR
                    | DateUtils.FORMAT_ABBREV_MONTH
                    | DateUtils.FORMAT_ABBREV_WEEKDAY);
            setTitle(title);
            mTitleNeedsUpdate = true;
        } else {
            if (mTitleNeedsUpdate) {
                mTitleNeedsUpdate = false;
                setTitle(R.string.date_picker_dialog_title);
            }
        }