1 /* 2 * Copyright (C) 2014 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.internal.widget; 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 /** 26 * @hide 27 */ 28 public class AccessibleDateAnimator extends ViewAnimator { 29 private long mDateMillis; 30 31 public AccessibleDateAnimator(Context context, AttributeSet attrs) { 32 super(context, attrs); 33 } 34 35 public void setDateMillis(long dateMillis) { 36 mDateMillis = dateMillis; 37 } 38 39 /** 40 * Announce the currently-selected date when launched. 41 */ 42 @Override 43 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 44 if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) { 45 // Clear the event's current text so that only the current date will be spoken. 46 event.getText().clear(); 47 int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR | 48 DateUtils.FORMAT_SHOW_WEEKDAY; 49 50 String dateString = DateUtils.formatDateTime(getContext(), mDateMillis, flags); 51 event.getText().add(dateString); 52 return true; 53 } 54 return super.dispatchPopulateAccessibilityEvent(event); 55 } 56 } 57