1 /*
2  * Copyright (C) 2017 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 package com.android.settings.deviceinfo;
17 
18 import android.content.Context;
19 
20 import androidx.preference.Preference;
21 
22 import com.android.settings.core.PreferenceControllerMixin;
23 import com.android.settingslib.DeviceInfoUtils;
24 import com.android.settingslib.core.AbstractPreferenceController;
25 
26 public class KernelVersionPreferenceController extends AbstractPreferenceController implements
27         PreferenceControllerMixin {
28 
29     private static final String KEY_KERNEL_VERSION = "kernel_version";
30 
KernelVersionPreferenceController(Context context)31     public KernelVersionPreferenceController(Context context) {
32         super(context);
33     }
34 
35     @Override
isAvailable()36     public boolean isAvailable() {
37         return true;
38     }
39 
40     @Override
updateState(Preference preference)41     public void updateState(Preference preference) {
42         super.updateState(preference);
43         preference.setSummary(DeviceInfoUtils.getFormattedKernelVersion(mContext));
44     }
45 
46     @Override
getPreferenceKey()47     public String getPreferenceKey() {
48         return KEY_KERNEL_VERSION;
49     }
50 }
51