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