1 /*
2  * Copyright (C) 2007 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 android.widget;
18 
19 /**
20  * Defines an extension for views that make them checkable.
21  *
22  */
23 public interface Checkable {
24 
25     /**
26      * Change the checked state of the view
27      *
28      * @param checked The new checked state
29      */
setChecked(boolean checked)30     void setChecked(boolean checked);
31 
32     /**
33      * @return The current checked state of the view
34      */
isChecked()35     boolean isChecked();
36 
37     /**
38      * Change the checked state of the view to the inverse of its current state
39      *
40      */
toggle()41     void toggle();
42 }
43