1 /*
2  * Copyright (C) 2016 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 com.android.tv.settings;
18 
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 import android.text.TextUtils;
22 import android.util.AttributeSet;
23 
24 import androidx.preference.CheckBoxPreference;
25 import androidx.preference.Preference;
26 import androidx.preference.PreferenceGroup;
27 
28 public class RadioPreference extends CheckBoxPreference {
29     private String mRadioGroup;
30 
RadioPreference(Context context)31     public RadioPreference(Context context) {
32         this(context, null);
33     }
34 
RadioPreference(Context context, AttributeSet attrs)35     public RadioPreference(Context context, AttributeSet attrs) {
36         super(context, attrs);
37         final TypedArray a =
38                 context.obtainStyledAttributes(attrs, R.styleable.RadioPreference, 0, 0);
39 
40         mRadioGroup = a.getString(R.styleable.RadioPreference_radioGroup);
41 
42         a.recycle();
43 
44         setWidgetLayoutResource(R.layout.radio_preference_widget);
45     }
46 
getRadioGroup()47     public String getRadioGroup() {
48         return mRadioGroup;
49     }
50 
setRadioGroup(String radioGroup)51     public void setRadioGroup(String radioGroup) {
52         mRadioGroup = radioGroup;
53     }
54 
clearOtherRadioPreferences(PreferenceGroup preferenceGroup)55     public void clearOtherRadioPreferences(PreferenceGroup preferenceGroup) {
56         final int count = preferenceGroup.getPreferenceCount();
57         for (int i = 0; i < count; i++) {
58             final Preference p = preferenceGroup.getPreference(i);
59             if (!(p instanceof RadioPreference)) {
60                 continue;
61             }
62             final RadioPreference radioPreference = (RadioPreference) p;
63             if (!TextUtils.equals(getRadioGroup(), radioPreference.getRadioGroup())) {
64                 continue;
65             }
66             if (TextUtils.equals(getKey(), radioPreference.getKey())) {
67                 continue;
68             }
69             radioPreference.setChecked(false);
70         }
71     }
72 }
73