Java tutorial
/* * 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; import android.content.Context; import android.support.v4.view.AccessibilityDelegateCompat; import android.support.v4.view.ViewCompat; import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat; import android.util.AttributeSet; import android.view.View; import android.view.accessibility.AccessibilityEvent; import android.widget.Button; import android.widget.TextView; /** * Fake Button class, used so TextViews can announce themselves as Buttons, for accessibility. */ public class AccessibleTextView extends TextView { public AccessibleTextView(Context context, AttributeSet attrs) { super(context, attrs); installAccessibilityDelegate(); } private void installAccessibilityDelegate() { ViewCompat.setAccessibilityDelegate(this, new AccessibilityDelegateCompat() { @Override public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) { super.onInitializeAccessibilityEvent(host, event); event.setClassName(Button.class.getName()); } @Override public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) { super.onInitializeAccessibilityNodeInfo(host, info); info.setClassName(Button.class.getName()); } }); } }