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 import android.support.v7.preference.Preference; 20 21 import com.android.settings.core.PreferenceControllerMixin; 22 import com.android.settingslib.DeviceInfoUtils; 23 import com.android.settingslib.core.AbstractPreferenceController; 24 25 public class KernelVersionPreferenceController extends AbstractPreferenceController implements 26 PreferenceControllerMixin { 27 28 private static final String KEY_KERNEL_VERSION = "kernel_version"; 29 KernelVersionPreferenceController(Context context)30 public KernelVersionPreferenceController(Context context) { 31 super(context); 32 } 33 34 @Override isAvailable()35 public boolean isAvailable() { 36 return true; 37 } 38 39 @Override updateState(Preference preference)40 public void updateState(Preference preference) { 41 super.updateState(preference); 42 preference.setSummary(DeviceInfoUtils.getFormattedKernelVersion(mContext)); 43 } 44 45 @Override getPreferenceKey()46 public String getPreferenceKey() { 47 return KEY_KERNEL_VERSION; 48 } 49 } 50