1 /*
2  * Copyright (C) 2006 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 import android.content.Context;
20 import android.util.AttributeSet;
21 
22 /**
23  * <p>
24  * A checkbox is a specific type of two-states button that can be either
25  * checked or unchecked. A example usage of a checkbox inside your activity
26  * would be the following:
27  * </p>
28  *
29  * <pre class="prettyprint">
30  * public class MyActivity extends Activity {
31  *     protected void onCreate(Bundle icicle) {
32  *         super.onCreate(icicle);
33  *
34  *         setContentView(R.layout.content_layout_id);
35  *
36  *         final CheckBox checkBox = (CheckBox) findViewById(R.id.checkbox_id);
37  *         if (checkBox.isChecked()) {
38  *             checkBox.setChecked(false);
39  *         }
40  *     }
41  * }
42  * </pre>
43  *
44  * <p>See the <a href="{@docRoot}guide/topics/ui/controls/checkbox.html">Checkboxes</a>
45  * guide.</p>
46  *
47  * <p><strong>XML attributes</strong></p>
48  * <p>
49  * See {@link android.R.styleable#CompoundButton CompoundButton Attributes},
50  * {@link android.R.styleable#Button Button Attributes},
51  * {@link android.R.styleable#TextView TextView Attributes},
52  * {@link android.R.styleable#View View Attributes}
53  * </p>
54  */
55 public class CheckBox extends CompoundButton {
CheckBox(Context context)56     public CheckBox(Context context) {
57         this(context, null);
58     }
59 
CheckBox(Context context, AttributeSet attrs)60     public CheckBox(Context context, AttributeSet attrs) {
61         this(context, attrs, com.android.internal.R.attr.checkboxStyle);
62     }
63 
CheckBox(Context context, AttributeSet attrs, int defStyleAttr)64     public CheckBox(Context context, AttributeSet attrs, int defStyleAttr) {
65         this(context, attrs, defStyleAttr, 0);
66     }
67 
CheckBox(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)68     public CheckBox(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
69         super(context, attrs, defStyleAttr, defStyleRes);
70     }
71 
72     @Override
getAccessibilityClassName()73     public CharSequence getAccessibilityClassName() {
74         return CheckBox.class.getName();
75     }
76 }
77