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Alan Viverette6b3f85f2016-03-01 16:48:04 -05001/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.widget;
18
19import android.content.Context;
20import android.content.res.Configuration;
21import android.content.res.TypedArray;
22import android.os.Parcelable;
23import android.text.InputType;
24import android.text.TextUtils;
25import android.text.format.DateFormat;
26import android.text.format.DateUtils;
27import android.util.AttributeSet;
28import android.view.LayoutInflater;
29import android.view.View;
30import android.view.accessibility.AccessibilityEvent;
31import android.view.inputmethod.EditorInfo;
32import android.view.inputmethod.InputMethodManager;
33import android.widget.DatePicker.AbstractDatePickerDelegate;
34import android.widget.NumberPicker.OnValueChangeListener;
35
36import java.text.DateFormatSymbols;
37import java.text.ParseException;
38import java.text.SimpleDateFormat;
39import java.util.Arrays;
40import java.util.Calendar;
41import java.util.Locale;
42
43import libcore.icu.ICU;
44
45/**
46 * A delegate implementing the basic DatePicker
47 */
48class DatePickerSpinnerDelegate extends AbstractDatePickerDelegate {
49
50 private static final String DATE_FORMAT = "MM/dd/yyyy";
51
52 private static final int DEFAULT_START_YEAR = 1900;
53
54 private static final int DEFAULT_END_YEAR = 2100;
55
56 private static final boolean DEFAULT_CALENDAR_VIEW_SHOWN = true;
57
58 private static final boolean DEFAULT_SPINNERS_SHOWN = true;
59
60 private static final boolean DEFAULT_ENABLED_STATE = true;
61
62 private final LinearLayout mSpinners;
63
64 private final NumberPicker mDaySpinner;
65
66 private final NumberPicker mMonthSpinner;
67
68 private final NumberPicker mYearSpinner;
69
70 private final EditText mDaySpinnerInput;
71
72 private final EditText mMonthSpinnerInput;
73
74 private final EditText mYearSpinnerInput;
75
76 private final CalendarView mCalendarView;
77
78 private String[] mShortMonths;
79
80 private final java.text.DateFormat mDateFormat = new SimpleDateFormat(DATE_FORMAT);
81
82 private int mNumberOfMonths;
83
84 private Calendar mTempDate;
85
86 private Calendar mMinDate;
87
88 private Calendar mMaxDate;
89
90 private Calendar mCurrentDate;
91
92 private boolean mIsEnabled = DEFAULT_ENABLED_STATE;
93
94 DatePickerSpinnerDelegate(DatePicker delegator, Context context, AttributeSet attrs,
95 int defStyleAttr, int defStyleRes) {
96 super(delegator, context);
97
98 mDelegator = delegator;
99 mContext = context;
100
101 // initialization based on locale
102 setCurrentLocale(Locale.getDefault());
103
104 final TypedArray attributesArray = context.obtainStyledAttributes(attrs,
105 com.android.internal.R.styleable.DatePicker, defStyleAttr, defStyleRes);
106 boolean spinnersShown = attributesArray.getBoolean(com.android.internal.R.styleable.DatePicker_spinnersShown,
107 DEFAULT_SPINNERS_SHOWN);
108 boolean calendarViewShown = attributesArray.getBoolean(
109 com.android.internal.R.styleable.DatePicker_calendarViewShown, DEFAULT_CALENDAR_VIEW_SHOWN);
110 int startYear = attributesArray.getInt(com.android.internal.R.styleable.DatePicker_startYear,
111 DEFAULT_START_YEAR);
112 int endYear = attributesArray.getInt(com.android.internal.R.styleable.DatePicker_endYear, DEFAULT_END_YEAR);
113 String minDate = attributesArray.getString(com.android.internal.R.styleable.DatePicker_minDate);
114 String maxDate = attributesArray.getString(com.android.internal.R.styleable.DatePicker_maxDate);
115 int layoutResourceId = attributesArray.getResourceId(
116 com.android.internal.R.styleable.DatePicker_legacyLayout, com.android.internal.R.layout.date_picker_legacy);
117 attributesArray.recycle();
118
119 LayoutInflater inflater = (LayoutInflater) context
120 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
121 inflater.inflate(layoutResourceId, mDelegator, true);
122
123 OnValueChangeListener onChangeListener = new OnValueChangeListener() {
124 public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
125 updateInputState();
126 mTempDate.setTimeInMillis(mCurrentDate.getTimeInMillis());
127 // take care of wrapping of days and months to update greater fields
128 if (picker == mDaySpinner) {
129 int maxDayOfMonth = mTempDate.getActualMaximum(Calendar.DAY_OF_MONTH);
130 if (oldVal == maxDayOfMonth && newVal == 1) {
131 mTempDate.add(Calendar.DAY_OF_MONTH, 1);
132 } else if (oldVal == 1 && newVal == maxDayOfMonth) {
133 mTempDate.add(Calendar.DAY_OF_MONTH, -1);
134 } else {
135 mTempDate.add(Calendar.DAY_OF_MONTH, newVal - oldVal);
136 }
137 } else if (picker == mMonthSpinner) {
138 if (oldVal == 11 && newVal == 0) {
139 mTempDate.add(Calendar.MONTH, 1);
140 } else if (oldVal == 0 && newVal == 11) {
141 mTempDate.add(Calendar.MONTH, -1);
142 } else {
143 mTempDate.add(Calendar.MONTH, newVal - oldVal);
144 }
145 } else if (picker == mYearSpinner) {
146 mTempDate.set(Calendar.YEAR, newVal);
147 } else {
148 throw new IllegalArgumentException();
149 }
150 // now set the date to the adjusted one
151 setDate(mTempDate.get(Calendar.YEAR), mTempDate.get(Calendar.MONTH),
152 mTempDate.get(Calendar.DAY_OF_MONTH));
153 updateSpinners();
154 updateCalendarView();
155 notifyDateChanged();
156 }
157 };
158
159 mSpinners = (LinearLayout) mDelegator.findViewById(com.android.internal.R.id.pickers);
160
161 // calendar view day-picker
162 mCalendarView = (CalendarView) mDelegator.findViewById(com.android.internal.R.id.calendar_view);
163 mCalendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
164 public void onSelectedDayChange(CalendarView view, int year, int month, int monthDay) {
165 setDate(year, month, monthDay);
166 updateSpinners();
167 notifyDateChanged();
168 }
169 });
170
171 // day
172 mDaySpinner = (NumberPicker) mDelegator.findViewById(com.android.internal.R.id.day);
173 mDaySpinner.setFormatter(NumberPicker.getTwoDigitFormatter());
174 mDaySpinner.setOnLongPressUpdateInterval(100);
175 mDaySpinner.setOnValueChangedListener(onChangeListener);
176 mDaySpinnerInput = (EditText) mDaySpinner.findViewById(com.android.internal.R.id.numberpicker_input);
177
178 // month
179 mMonthSpinner = (NumberPicker) mDelegator.findViewById(com.android.internal.R.id.month);
180 mMonthSpinner.setMinValue(0);
181 mMonthSpinner.setMaxValue(mNumberOfMonths - 1);
182 mMonthSpinner.setDisplayedValues(mShortMonths);
183 mMonthSpinner.setOnLongPressUpdateInterval(200);
184 mMonthSpinner.setOnValueChangedListener(onChangeListener);
185 mMonthSpinnerInput = (EditText) mMonthSpinner.findViewById(com.android.internal.R.id.numberpicker_input);
186
187 // year
188 mYearSpinner = (NumberPicker) mDelegator.findViewById(com.android.internal.R.id.year);
189 mYearSpinner.setOnLongPressUpdateInterval(100);
190 mYearSpinner.setOnValueChangedListener(onChangeListener);
191 mYearSpinnerInput = (EditText) mYearSpinner.findViewById(com.android.internal.R.id.numberpicker_input);
192
193 // show only what the user required but make sure we
194 // show something and the spinners have higher priority
195 if (!spinnersShown && !calendarViewShown) {
196 setSpinnersShown(true);
197 } else {
198 setSpinnersShown(spinnersShown);
199 setCalendarViewShown(calendarViewShown);
200 }
201
202 // set the min date giving priority of the minDate over startYear
203 mTempDate.clear();
204 if (!TextUtils.isEmpty(minDate)) {
205 if (!parseDate(minDate, mTempDate)) {
206 mTempDate.set(startYear, 0, 1);
207 }
208 } else {
209 mTempDate.set(startYear, 0, 1);
210 }
211 setMinDate(mTempDate.getTimeInMillis());
212
213 // set the max date giving priority of the maxDate over endYear
214 mTempDate.clear();
215 if (!TextUtils.isEmpty(maxDate)) {
216 if (!parseDate(maxDate, mTempDate)) {
217 mTempDate.set(endYear, 11, 31);
218 }
219 } else {
220 mTempDate.set(endYear, 11, 31);
221 }
222 setMaxDate(mTempDate.getTimeInMillis());
223
224 // initialize to current date
225 mCurrentDate.setTimeInMillis(System.currentTimeMillis());
226 init(mCurrentDate.get(Calendar.YEAR), mCurrentDate.get(Calendar.MONTH), mCurrentDate
227 .get(Calendar.DAY_OF_MONTH), null);
228
229 // re-order the number spinners to match the current date format
230 reorderSpinners();
231
232 // accessibility
233 setContentDescriptions();
234
235 // If not explicitly specified this view is important for accessibility.
236 if (mDelegator.getImportantForAccessibility() == View.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
237 mDelegator.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
238 }
239 }
240
241 @Override
242 public void init(int year, int monthOfYear, int dayOfMonth,
243 DatePicker.OnDateChangedListener onDateChangedListener) {
244 setDate(year, monthOfYear, dayOfMonth);
245 updateSpinners();
246 updateCalendarView();
247 mOnDateChangedListener = onDateChangedListener;
248 }
249
250 @Override
251 public void updateDate(int year, int month, int dayOfMonth) {
252 if (!isNewDate(year, month, dayOfMonth)) {
253 return;
254 }
255 setDate(year, month, dayOfMonth);
256 updateSpinners();
257 updateCalendarView();
258 notifyDateChanged();
259 }
260
261 @Override
262 public int getYear() {
263 return mCurrentDate.get(Calendar.YEAR);
264 }
265
266 @Override
267 public int getMonth() {
268 return mCurrentDate.get(Calendar.MONTH);
269 }
270
271 @Override
272 public int getDayOfMonth() {
273 return mCurrentDate.get(Calendar.DAY_OF_MONTH);
274 }
275
276 @Override
277 public void setFirstDayOfWeek(int firstDayOfWeek) {
278 mCalendarView.setFirstDayOfWeek(firstDayOfWeek);
279 }
280
281 @Override
282 public int getFirstDayOfWeek() {
283 return mCalendarView.getFirstDayOfWeek();
284 }
285
286 @Override
287 public void setMinDate(long minDate) {
288 mTempDate.setTimeInMillis(minDate);
289 if (mTempDate.get(Calendar.YEAR) == mMinDate.get(Calendar.YEAR)
290 && mTempDate.get(Calendar.DAY_OF_YEAR) != mMinDate.get(Calendar.DAY_OF_YEAR)) {
291 return;
292 }
293 mMinDate.setTimeInMillis(minDate);
294 mCalendarView.setMinDate(minDate);
295 if (mCurrentDate.before(mMinDate)) {
296 mCurrentDate.setTimeInMillis(mMinDate.getTimeInMillis());
297 updateCalendarView();
298 }
299 updateSpinners();
300 }
301
302 @Override
303 public Calendar getMinDate() {
304 final Calendar minDate = Calendar.getInstance();
305 minDate.setTimeInMillis(mCalendarView.getMinDate());
306 return minDate;
307 }
308
309 @Override
310 public void setMaxDate(long maxDate) {
311 mTempDate.setTimeInMillis(maxDate);
312 if (mTempDate.get(Calendar.YEAR) == mMaxDate.get(Calendar.YEAR)
313 && mTempDate.get(Calendar.DAY_OF_YEAR) != mMaxDate.get(Calendar.DAY_OF_YEAR)) {
314 return;
315 }
316 mMaxDate.setTimeInMillis(maxDate);
317 mCalendarView.setMaxDate(maxDate);
318 if (mCurrentDate.after(mMaxDate)) {
319 mCurrentDate.setTimeInMillis(mMaxDate.getTimeInMillis());
320 updateCalendarView();
321 }
322 updateSpinners();
323 }
324
325 @Override
326 public Calendar getMaxDate() {
327 final Calendar maxDate = Calendar.getInstance();
328 maxDate.setTimeInMillis(mCalendarView.getMaxDate());
329 return maxDate;
330 }
331
332 @Override
333 public void setEnabled(boolean enabled) {
334 mDaySpinner.setEnabled(enabled);
335 mMonthSpinner.setEnabled(enabled);
336 mYearSpinner.setEnabled(enabled);
337 mCalendarView.setEnabled(enabled);
338 mIsEnabled = enabled;
339 }
340
341 @Override
342 public boolean isEnabled() {
343 return mIsEnabled;
344 }
345
346 @Override
347 public CalendarView getCalendarView() {
348 return mCalendarView;
349 }
350
351 @Override
352 public void setCalendarViewShown(boolean shown) {
353 mCalendarView.setVisibility(shown ? View.VISIBLE : View.GONE);
354 }
355
356 @Override
357 public boolean getCalendarViewShown() {
358 return (mCalendarView.getVisibility() == View.VISIBLE);
359 }
360
361 @Override
362 public void setSpinnersShown(boolean shown) {
363 mSpinners.setVisibility(shown ? View.VISIBLE : View.GONE);
364 }
365
366 @Override
367 public boolean getSpinnersShown() {
368 return mSpinners.isShown();
369 }
370
371 @Override
372 public void onConfigurationChanged(Configuration newConfig) {
373 setCurrentLocale(newConfig.locale);
374 }
375
376 @Override
377 public Parcelable onSaveInstanceState(Parcelable superState) {
378 return new SavedState(superState, getYear(), getMonth(), getDayOfMonth(),
379 getMinDate().getTimeInMillis(), getMaxDate().getTimeInMillis());
380 }
381
382 @Override
383 public void onRestoreInstanceState(Parcelable state) {
384 if (state instanceof SavedState) {
385 final SavedState ss = (SavedState) state;
386 setDate(ss.getSelectedYear(), ss.getSelectedMonth(), ss.getSelectedDay());
387 updateSpinners();
388 updateCalendarView();
389 }
390 }
391
392 @Override
393 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
394 onPopulateAccessibilityEvent(event);
395 return true;
396 }
397
398 @Override
399 public void onPopulateAccessibilityEvent(AccessibilityEvent event) {
400 final int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR;
401 String selectedDateUtterance = DateUtils.formatDateTime(mContext,
402 mCurrentDate.getTimeInMillis(), flags);
403 event.getText().add(selectedDateUtterance);
404 }
405
406 /**
407 * Sets the current locale.
408 *
409 * @param locale The current locale.
410 */
411 @Override
412 protected void setCurrentLocale(Locale locale) {
413 super.setCurrentLocale(locale);
414
415 mTempDate = getCalendarForLocale(mTempDate, locale);
416 mMinDate = getCalendarForLocale(mMinDate, locale);
417 mMaxDate = getCalendarForLocale(mMaxDate, locale);
418 mCurrentDate = getCalendarForLocale(mCurrentDate, locale);
419
420 mNumberOfMonths = mTempDate.getActualMaximum(Calendar.MONTH) + 1;
421 mShortMonths = new DateFormatSymbols().getShortMonths();
422
423 if (usingNumericMonths()) {
424 // We're in a locale where a date should either be all-numeric, or all-text.
425 // All-text would require custom NumberPicker formatters for day and year.
426 mShortMonths = new String[mNumberOfMonths];
427 for (int i = 0; i < mNumberOfMonths; ++i) {
428 mShortMonths[i] = String.format("%d", i + 1);
429 }
430 }
431 }
432
433 /**
434 * Tests whether the current locale is one where there are no real month names,
435 * such as Chinese, Japanese, or Korean locales.
436 */
437 private boolean usingNumericMonths() {
438 return Character.isDigit(mShortMonths[Calendar.JANUARY].charAt(0));
439 }
440
441 /**
442 * Gets a calendar for locale bootstrapped with the value of a given calendar.
443 *
444 * @param oldCalendar The old calendar.
445 * @param locale The locale.
446 */
447 private Calendar getCalendarForLocale(Calendar oldCalendar, Locale locale) {
448 if (oldCalendar == null) {
449 return Calendar.getInstance(locale);
450 } else {
451 final long currentTimeMillis = oldCalendar.getTimeInMillis();
452 Calendar newCalendar = Calendar.getInstance(locale);
453 newCalendar.setTimeInMillis(currentTimeMillis);
454 return newCalendar;
455 }
456 }
457
458 /**
459 * Reorders the spinners according to the date format that is
460 * explicitly set by the user and if no such is set fall back
461 * to the current locale's default format.
462 */
463 private void reorderSpinners() {
464 mSpinners.removeAllViews();
465 // We use numeric spinners for year and day, but textual months. Ask icu4c what
466 // order the user's locale uses for that combination. http://b/7207103.
467 String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), "yyyyMMMdd");
468 char[] order = ICU.getDateFormatOrder(pattern);
469 final int spinnerCount = order.length;
470 for (int i = 0; i < spinnerCount; i++) {
471 switch (order[i]) {
472 case 'd':
473 mSpinners.addView(mDaySpinner);
474 setImeOptions(mDaySpinner, spinnerCount, i);
475 break;
476 case 'M':
477 mSpinners.addView(mMonthSpinner);
478 setImeOptions(mMonthSpinner, spinnerCount, i);
479 break;
480 case 'y':
481 mSpinners.addView(mYearSpinner);
482 setImeOptions(mYearSpinner, spinnerCount, i);
483 break;
484 default:
485 throw new IllegalArgumentException(Arrays.toString(order));
486 }
487 }
488 }
489
490 /**
491 * Parses the given <code>date</code> and in case of success sets the result
492 * to the <code>outDate</code>.
493 *
494 * @return True if the date was parsed.
495 */
496 private boolean parseDate(String date, Calendar outDate) {
497 try {
498 outDate.setTime(mDateFormat.parse(date));
499 return true;
500 } catch (ParseException e) {
501 e.printStackTrace();
502 return false;
503 }
504 }
505
506 private boolean isNewDate(int year, int month, int dayOfMonth) {
507 return (mCurrentDate.get(Calendar.YEAR) != year
508 || mCurrentDate.get(Calendar.MONTH) != month
509 || mCurrentDate.get(Calendar.DAY_OF_MONTH) != dayOfMonth);
510 }
511
512 private void setDate(int year, int month, int dayOfMonth) {
513 mCurrentDate.set(year, month, dayOfMonth);
514 if (mCurrentDate.before(mMinDate)) {
515 mCurrentDate.setTimeInMillis(mMinDate.getTimeInMillis());
516 } else if (mCurrentDate.after(mMaxDate)) {
517 mCurrentDate.setTimeInMillis(mMaxDate.getTimeInMillis());
518 }
519 }
520
521 private void updateSpinners() {
522 // set the spinner ranges respecting the min and max dates
523 if (mCurrentDate.equals(mMinDate)) {
524 mDaySpinner.setMinValue(mCurrentDate.get(Calendar.DAY_OF_MONTH));
525 mDaySpinner.setMaxValue(mCurrentDate.getActualMaximum(Calendar.DAY_OF_MONTH));
526 mDaySpinner.setWrapSelectorWheel(false);
527 mMonthSpinner.setDisplayedValues(null);
528 mMonthSpinner.setMinValue(mCurrentDate.get(Calendar.MONTH));
529 mMonthSpinner.setMaxValue(mCurrentDate.getActualMaximum(Calendar.MONTH));
530 mMonthSpinner.setWrapSelectorWheel(false);
531 } else if (mCurrentDate.equals(mMaxDate)) {
532 mDaySpinner.setMinValue(mCurrentDate.getActualMinimum(Calendar.DAY_OF_MONTH));
533 mDaySpinner.setMaxValue(mCurrentDate.get(Calendar.DAY_OF_MONTH));
534 mDaySpinner.setWrapSelectorWheel(false);
535 mMonthSpinner.setDisplayedValues(null);
536 mMonthSpinner.setMinValue(mCurrentDate.getActualMinimum(Calendar.MONTH));
537 mMonthSpinner.setMaxValue(mCurrentDate.get(Calendar.MONTH));
538 mMonthSpinner.setWrapSelectorWheel(false);
539 } else {
540 mDaySpinner.setMinValue(1);
541 mDaySpinner.setMaxValue(mCurrentDate.getActualMaximum(Calendar.DAY_OF_MONTH));
542 mDaySpinner.setWrapSelectorWheel(true);
543 mMonthSpinner.setDisplayedValues(null);
544 mMonthSpinner.setMinValue(0);
545 mMonthSpinner.setMaxValue(11);
546 mMonthSpinner.setWrapSelectorWheel(true);
547 }
548
549 // make sure the month names are a zero based array
550 // with the months in the month spinner
551 String[] displayedValues = Arrays.copyOfRange(mShortMonths,
552 mMonthSpinner.getMinValue(), mMonthSpinner.getMaxValue() + 1);
553 mMonthSpinner.setDisplayedValues(displayedValues);
554
555 // year spinner range does not change based on the current date
556 mYearSpinner.setMinValue(mMinDate.get(Calendar.YEAR));
557 mYearSpinner.setMaxValue(mMaxDate.get(Calendar.YEAR));
558 mYearSpinner.setWrapSelectorWheel(false);
559
560 // set the spinner values
561 mYearSpinner.setValue(mCurrentDate.get(Calendar.YEAR));
562 mMonthSpinner.setValue(mCurrentDate.get(Calendar.MONTH));
563 mDaySpinner.setValue(mCurrentDate.get(Calendar.DAY_OF_MONTH));
564
565 if (usingNumericMonths()) {
566 mMonthSpinnerInput.setRawInputType(InputType.TYPE_CLASS_NUMBER);
567 }
568 }
569
570 /**
571 * Updates the calendar view with the current date.
572 */
573 private void updateCalendarView() {
574 mCalendarView.setDate(mCurrentDate.getTimeInMillis(), false, false);
575 }
576
577
578 /**
579 * Notifies the listener, if such, for a change in the selected date.
580 */
581 private void notifyDateChanged() {
582 mDelegator.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
583 if (mOnDateChangedListener != null) {
584 mOnDateChangedListener.onDateChanged(mDelegator, getYear(), getMonth(),
585 getDayOfMonth());
586 }
587 }
588
589 /**
590 * Sets the IME options for a spinner based on its ordering.
591 *
592 * @param spinner The spinner.
593 * @param spinnerCount The total spinner count.
594 * @param spinnerIndex The index of the given spinner.
595 */
596 private void setImeOptions(NumberPicker spinner, int spinnerCount, int spinnerIndex) {
597 final int imeOptions;
598 if (spinnerIndex < spinnerCount - 1) {
599 imeOptions = EditorInfo.IME_ACTION_NEXT;
600 } else {
601 imeOptions = EditorInfo.IME_ACTION_DONE;
602 }
603 TextView input = (TextView) spinner.findViewById(com.android.internal.R.id.numberpicker_input);
604 input.setImeOptions(imeOptions);
605 }
606
607 private void setContentDescriptions() {
608 // Day
609 trySetContentDescription(mDaySpinner, com.android.internal.R.id.increment,
610 com.android.internal.R.string.date_picker_increment_day_button);
611 trySetContentDescription(mDaySpinner, com.android.internal.R.id.decrement,
612 com.android.internal.R.string.date_picker_decrement_day_button);
613 // Month
614 trySetContentDescription(mMonthSpinner, com.android.internal.R.id.increment,
615 com.android.internal.R.string.date_picker_increment_month_button);
616 trySetContentDescription(mMonthSpinner, com.android.internal.R.id.decrement,
617 com.android.internal.R.string.date_picker_decrement_month_button);
618 // Year
619 trySetContentDescription(mYearSpinner, com.android.internal.R.id.increment,
620 com.android.internal.R.string.date_picker_increment_year_button);
621 trySetContentDescription(mYearSpinner, com.android.internal.R.id.decrement,
622 com.android.internal.R.string.date_picker_decrement_year_button);
623 }
624
625 private void trySetContentDescription(View root, int viewId, int contDescResId) {
626 View target = root.findViewById(viewId);
627 if (target != null) {
628 target.setContentDescription(mContext.getString(contDescResId));
629 }
630 }
631
632 private void updateInputState() {
633 // Make sure that if the user changes the value and the IME is active
634 // for one of the inputs if this widget, the IME is closed. If the user
635 // changed the value via the IME and there is a next input the IME will
636 // be shown, otherwise the user chose another means of changing the
637 // value and having the IME up makes no sense.
638 InputMethodManager inputMethodManager = InputMethodManager.peekInstance();
639 if (inputMethodManager != null) {
640 if (inputMethodManager.isActive(mYearSpinnerInput)) {
641 mYearSpinnerInput.clearFocus();
642 inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
643 } else if (inputMethodManager.isActive(mMonthSpinnerInput)) {
644 mMonthSpinnerInput.clearFocus();
645 inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
646 } else if (inputMethodManager.isActive(mDaySpinnerInput)) {
647 mDaySpinnerInput.clearFocus();
648 inputMethodManager.hideSoftInputFromWindow(mDelegator.getWindowToken(), 0);
649 }
650 }
651 }
652}