1 /*
2  * Copyright (C) 2011 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.supportv4.view;
18 
19 import android.content.Context;
20 import android.graphics.drawable.ColorDrawable;
21 import android.util.AttributeSet;
22 import android.widget.Checkable;
23 import android.widget.FrameLayout;
24 
25 import androidx.core.view.ViewCompat;
26 
27 public class CheckableFrameLayout extends FrameLayout implements Checkable {
28     private boolean mChecked;
29 
CheckableFrameLayout(Context context)30     public CheckableFrameLayout(Context context) {
31         super(context);
32     }
33 
CheckableFrameLayout(Context context, AttributeSet attrs)34     public CheckableFrameLayout(Context context, AttributeSet attrs) {
35         super(context, attrs);
36     }
37 
38     @Override
setChecked(boolean checked)39     public void setChecked(boolean checked) {
40         mChecked = checked;
41         ViewCompat.setBackground(this, checked ? new ColorDrawable(0xff0000a0) : null);
42     }
43 
44     @Override
isChecked()45     public boolean isChecked() {
46         return mChecked;
47     }
48 
49     @Override
toggle()50     public void toggle() {
51         setChecked(!mChecked);
52     }
53 
54 }
55