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 { 56 public CheckBox(Context context) { 57 this(context, null); 58 } 59 60 public CheckBox(Context context, AttributeSet attrs) { 61 this(context, attrs, com.android.internal.R.attr.checkboxStyle); 62 } 63 64 public CheckBox(Context context, AttributeSet attrs, int defStyleAttr) { 65 this(context, attrs, defStyleAttr, 0); 66 } 67 68 public CheckBox(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 69 super(context, attrs, defStyleAttr, defStyleRes); 70 } 71 72 @Override 73 public CharSequence getAccessibilityClassName() { 74 return CheckBox.class.getName(); 75 } 76 } 77
