content: /*
   * Copyright (C) 2013 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.datetimepicker.date;
  
  import android.content.Context;
  import android.text.format.DateUtils;
  import android.util.AttributeSet;
  import android.view.accessibility.AccessibilityEvent;
  import android.widget.ViewAnimator;
  
  class AccessibleDateAnimator extends ViewAnimator {
      private long mDateMillis;
  
      public AccessibleDateAnimator(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public void setDateMillis(long dateMillis) {
          mDateMillis = dateMillis;
      }
  
      /**
       * Announce the currently-selected date when launched.
       */
      @Override
      public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
          if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
              // Clear the event's current text so that only the current date will be spoken.
              event.getText().clear();
              int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR |
                      DateUtils.FORMAT_SHOW_WEEKDAY;
  
              String dateString = DateUtils.formatDateTime(getContext(), mDateMillis, flags);
              event.getText().add(dateString);
              return true;
          }
          return super.dispatchPopulateAccessibilityEvent(event);
      }
  }