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.preference; 18 19 import android.content.Context; 20 import android.content.res.TypedArray; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.widget.Checkable; 24 25 /** 26 * A {@link Preference} that provides checkbox widget 27 * functionality. 28 * <p> 29 * This preference will store a boolean into the SharedPreferences. 30 * 31 * @attr ref android.R.styleable#CheckBoxPreference_summaryOff 32 * @attr ref android.R.styleable#CheckBoxPreference_summaryOn 33 * @attr ref android.R.styleable#CheckBoxPreference_disableDependentsState 34 */ 35 public class CheckBoxPreference extends TwoStatePreference { 36 37 public CheckBoxPreference(Context context, AttributeSet attrs, int defStyle) { 38 super(context, attrs, defStyle); 39 40 TypedArray a = context.obtainStyledAttributes(attrs, 41 com.android.internal.R.styleable.CheckBoxPreference, defStyle, 0); 42 setSummaryOn(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOn)); 43 setSummaryOff(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOff)); 44 setDisableDependentsState(a.getBoolean( 45 com.android.internal.R.styleable.CheckBoxPreference_disableDependentsState, false)); 46 a.recycle(); 47 } 48 49 public CheckBoxPreference(Context context, AttributeSet attrs) { 50 this(context, attrs, com.android.internal.R.attr.checkBoxPreferenceStyle); 51 } 52 53 public CheckBoxPreference(Context context) { 54 this(context, null); 55 } 56 57 @Override 58 protected void onBindView(View view) { 59 super.onBindView(view); 60 61 View checkboxView = view.findViewById(com.android.internal.R.id.checkbox); 62 if (checkboxView != null && checkboxView instanceof Checkable) { 63 ((Checkable) checkboxView).setChecked(mChecked); 64 sendAccessibilityEvent(checkboxView); 65 } 66 67 syncSummaryView(view); 68 } 69 } 70
