Home | History | Annotate | Download | only in view
      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 
     31     public StaticPointerIconButton(Context context) {
     32         this(context, null);
     33     }
     34 
     35     public StaticPointerIconButton(Context context, AttributeSet attrs) {
     36         super(context, attrs);
     37     }
     38 
     39     public StaticPointerIconButton(Context context, AttributeSet attrs, int defStyleAttr) {
     40         super(context, attrs, defStyleAttr);
     41     }
     42 
     43     public StaticPointerIconButton(Context context, AttributeSet attrs,
     44                                     int defStyleAttr, int defStyleRes) {
     45         super(context, attrs, defStyleAttr, defStyleRes);
     46     }
     47 
     48     @Override
     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