1 /*
2  * Copyright (C) 2013 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 
17 package com.android.datetimepicker.date;
18 
19 import android.content.Context;
20 import android.text.format.DateUtils;
21 import android.util.AttributeSet;
22 import android.view.accessibility.AccessibilityEvent;
23 import android.widget.ViewAnimator;
24 
25 public class AccessibleDateAnimator extends ViewAnimator {
26     private long mDateMillis;
27 
AccessibleDateAnimator(Context context, AttributeSet attrs)28     public AccessibleDateAnimator(Context context, AttributeSet attrs) {
29         super(context, attrs);
30     }
31 
setDateMillis(long dateMillis)32     public void setDateMillis(long dateMillis) {
33         mDateMillis = dateMillis;
34     }
35 
36     /**
37      * Announce the currently-selected date when launched.
38      */
39     @Override
dispatchPopulateAccessibilityEvent(AccessibilityEvent event)40     public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
41         if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
42             // Clear the event's current text so that only the current date will be spoken.
43             event.getText().clear();
44             int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
45                     DateUtils.FORMAT_SHOW_WEEKDAY;
46 
47             String dateString = DateUtils.formatDateTime(getContext(), mDateMillis, flags);
48             event.getText().add(dateString);
49             return true;
50         }
51         return super.dispatchPopulateAccessibilityEvent(event);
52     }
53 }