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.graphics.drawable.BitmapDrawable;
21 import android.graphics.drawable.Drawable;
22 import android.util.AttributeSet;
23 import android.view.MotionEvent;
24 import android.view.PointerIcon;
25 import android.widget.Button;
26 import com.example.android.apis.R;
27 
28 public class StaticPointerIconButton extends Button {
29     PointerIcon mCustomIcon;
30 
StaticPointerIconButton(Context context)31     public StaticPointerIconButton(Context context) {
32         this(context, null);
33     }
34 
StaticPointerIconButton(Context context, AttributeSet attrs)35     public StaticPointerIconButton(Context context, AttributeSet attrs) {
36         super(context, attrs);
37     }
38 
StaticPointerIconButton(Context context, AttributeSet attrs, int defStyleAttr)39     public StaticPointerIconButton(Context context, AttributeSet attrs, int defStyleAttr) {
40         super(context, attrs, defStyleAttr);
41     }
42 
StaticPointerIconButton(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)43     public StaticPointerIconButton(Context context, AttributeSet attrs,
44                                     int defStyleAttr, int defStyleRes) {
45         super(context, attrs, defStyleAttr, defStyleRes);
46     }
47 
48     @Override
onResolvePointerIcon(MotionEvent event, int pointerIndex)49     public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
50         if (mCustomIcon == null) {
51             Drawable d = getContext().getDrawable(R.drawable.smile);
52             final BitmapDrawable bitmapDrawable = (BitmapDrawable) d;
53             final int hotSpotX = d.getIntrinsicWidth() / 2;
54             final int hotSpotY = d.getIntrinsicHeight() / 2;
55             mCustomIcon = PointerIcon.create(bitmapDrawable.getBitmap(), hotSpotX, hotSpotY);
56         }
57         return mCustomIcon;
58     }
59 }
60