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      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 /**
     24  * <p>
     25  * A checkbox is a specific type of two-states button that can be either
     26  * checked or unchecked. A example usage of a checkbox inside your activity
     27  * would be the following:
     28  * </p>
     29  *
     30  * <pre class="prettyprint">
     31  * public class MyActivity extends Activity {
     32  *     protected void onCreate(Bundle icicle) {
     33  *         super.onCreate(icicle);
     34  *
     35  *         setContentView(R.layout.content_layout_id);
     36  *
     37  *         final CheckBox checkBox = (CheckBox) findViewById(R.id.checkbox_id);
     38  *         if (checkBox.isChecked()) {
     39  *             checkBox.setChecked(false);
     40  *         }
     41  *     }
     42  * }
     43  * </pre>
     44  *
     45  * <p>See the <a href="{@docRoot}resources/tutorials/views/hello-formstuff.html">Form Stuff
     46  * tutorial</a>.</p>
     47  *
     48  * <p><strong>XML attributes</strong></p>
     49  * <p>
     50  * See {@link android.R.styleable#CompoundButton CompoundButton Attributes},
     51  * {@link android.R.styleable#Button Button Attributes},
     52  * {@link android.R.styleable#TextView TextView Attributes},
     53  * {@link android.R.styleable#View View Attributes}
     54  * </p>
     55  */
     56 public class CheckBox extends CompoundButton {
     57     public CheckBox(Context context) {
     58         this(context, null);
     59     }
     60 
     61     public CheckBox(Context context, AttributeSet attrs) {
     62         this(context, attrs, com.android.internal.R.attr.checkboxStyle);
     63     }
     64 
     65     public CheckBox(Context context, AttributeSet attrs, int defStyle) {
     66         super(context, attrs, defStyle);
     67     }
     68 }
     69