1 /* 2 * Copyright (C) 2018 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.car.settings.applications; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.content.pm.PackageInfo; 22 23 import androidx.preference.Preference; 24 25 import com.android.car.settings.R; 26 import com.android.car.settings.common.FragmentController; 27 import com.android.car.settings.common.PreferenceController; 28 29 /** Business logic for the Version field in the application details page. */ 30 public class VersionPreferenceController extends PreferenceController<Preference> { 31 32 private PackageInfo mPackageInfo; 33 VersionPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)34 public VersionPreferenceController(Context context, String preferenceKey, 35 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 36 super(context, preferenceKey, fragmentController, uxRestrictions); 37 } 38 39 @Override getPreferenceType()40 protected Class<Preference> getPreferenceType() { 41 return Preference.class; 42 } 43 44 /** Set the package info which is used to get the version name. */ setPackageInfo(PackageInfo packageInfo)45 public void setPackageInfo(PackageInfo packageInfo) { 46 mPackageInfo = packageInfo; 47 } 48 49 @Override checkInitialized()50 protected void checkInitialized() { 51 if (mPackageInfo == null) { 52 throw new IllegalStateException( 53 "PackageInfo should be set before calling this function"); 54 } 55 } 56 57 @Override updateState(Preference preference)58 protected void updateState(Preference preference) { 59 preference.setTitle(getContext().getString( 60 R.string.application_version_label, mPackageInfo.versionName)); 61 } 62 63 @Override getAvailabilityStatus()64 protected int getAvailabilityStatus() { 65 return AVAILABLE_FOR_VIEWING; 66 } 67 } 68