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
17package android.preference;
18
19import android.content.Context;
20import android.content.res.TypedArray;
21import android.util.AttributeSet;
22import android.view.View;
23import 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 */
35public class CheckBoxPreference extends TwoStatePreference {
36
37    public CheckBoxPreference(Context context, AttributeSet attrs, int defStyleAttr) {
38        this(context, attrs, defStyleAttr, 0);
39    }
40
41    public CheckBoxPreference(
42            Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
43        super(context, attrs, defStyleAttr, defStyleRes);
44
45        final TypedArray a = context.obtainStyledAttributes(attrs,
46                com.android.internal.R.styleable.CheckBoxPreference, defStyleAttr, defStyleRes);
47        setSummaryOn(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOn));
48        setSummaryOff(a.getString(com.android.internal.R.styleable.CheckBoxPreference_summaryOff));
49        setDisableDependentsState(a.getBoolean(
50                com.android.internal.R.styleable.CheckBoxPreference_disableDependentsState, false));
51        a.recycle();
52    }
53
54    public CheckBoxPreference(Context context, AttributeSet attrs) {
55        this(context, attrs, com.android.internal.R.attr.checkBoxPreferenceStyle);
56    }
57
58    public CheckBoxPreference(Context context) {
59        this(context, null);
60    }
61
62    @Override
63    protected void onBindView(View view) {
64        super.onBindView(view);
65
66        View checkboxView = view.findViewById(com.android.internal.R.id.checkbox);
67        if (checkboxView != null && checkboxView instanceof Checkable) {
68            ((Checkable) checkboxView).setChecked(mChecked);
69        }
70
71        syncSummaryView(view);
72    }
73}
74