1 /*
2  * Copyright (C) 2016 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.example.android.apis.view;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.MotionEvent;
22 import android.view.PointerIcon;
23 import android.widget.Button;
24 import com.example.android.apis.R;
25 
26 public class ResourcePointerIconButton extends Button {
27     private PointerIcon mCustomIcon;
28 
ResourcePointerIconButton(Context context)29     public ResourcePointerIconButton(Context context) {
30         this(context, null);
31     }
32 
ResourcePointerIconButton(Context context, AttributeSet attrs)33     public ResourcePointerIconButton(Context context, AttributeSet attrs) {
34         super(context, attrs);
35     }
36 
ResourcePointerIconButton(Context context, AttributeSet attrs, int defStyleAttr)37     public ResourcePointerIconButton(Context context, AttributeSet attrs, int defStyleAttr) {
38         super(context, attrs, defStyleAttr);
39     }
40 
ResourcePointerIconButton(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)41     public ResourcePointerIconButton(Context context, AttributeSet attrs,
42                                     int defStyleAttr, int defStyleRes) {
43         super(context, attrs, defStyleAttr, defStyleRes);
44     }
45 
46     @Override
onResolvePointerIcon(MotionEvent event, int pointerIndex)47     public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
48         if (mCustomIcon == null) {
49             mCustomIcon = PointerIcon.load(getResources(), R.drawable.custom_pointer_icon);
50         }
51         return mCustomIcon;
52     }
53 }
54