2 * Copyright (C) 2012 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.gallery3d.util;
19 import android.content.Context;
20 import android.support.v4.view.accessibility.AccessibilityRecordCompat;
21 import android.view.View;
22 import android.view.accessibility.AccessibilityEvent;
23 import android.view.accessibility.AccessibilityManager;
25 import com.android.gallery3d.common.ApiHelper;
28 * AccessibilityUtils provides functions needed in accessibility mode. All the functions
29 * in this class are made compatible with gingerbread and later API's
31 public class AccessibilityUtils {
32 public static void makeAnnouncement(View view, CharSequence announcement) {
35 if (ApiHelper.HAS_ANNOUNCE_FOR_ACCESSIBILITY) {
36 view.announceForAccessibility(announcement);
38 // For API 15 and earlier, we need to construct an accessibility event
39 Context ctx = view.getContext();
40 AccessibilityManager am = (AccessibilityManager) ctx.getSystemService(
41 Context.ACCESSIBILITY_SERVICE);
42 if (!am.isEnabled()) return;
43 AccessibilityEvent event = AccessibilityEvent.obtain(
44 AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
45 AccessibilityRecordCompat arc = new AccessibilityRecordCompat(event);
47 event.setClassName(view.getClass().getName());
48 event.setPackageName(view.getContext().getPackageName());
49 event.setEnabled(view.isEnabled());
50 event.getText().add(announcement);
51 am.sendAccessibilityEvent(event);