1 /* 2 * Copyright (C) 2021 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.settings.applications; 18 19 20 import android.content.Context; 21 import android.permission.PermissionControllerManager; 22 import android.provider.DeviceConfig; 23 24 import androidx.lifecycle.Lifecycle; 25 import androidx.lifecycle.LifecycleObserver; 26 import androidx.lifecycle.OnLifecycleEvent; 27 import androidx.preference.Preference; 28 import androidx.preference.PreferenceScreen; 29 30 import com.android.settings.R; 31 import com.android.settings.core.BasePreferenceController; 32 33 import com.google.common.annotations.VisibleForTesting; 34 35 import java.util.concurrent.Executor; 36 37 /** 38 * Preference controller for handling the app battery usage list preference. 39 */ 40 public final class AppBatteryUsagePreferenceController extends BasePreferenceController 41 implements LifecycleObserver { 42 private static final String TAG = "AppBatteryUsagePreferenceController"; 43 private boolean mEnableAppBatteryUsagePage; 44 AppBatteryUsagePreferenceController(Context context, String preferenceKey)45 public AppBatteryUsagePreferenceController(Context context, String preferenceKey) { 46 super(context, preferenceKey); 47 mEnableAppBatteryUsagePage = 48 mContext.getResources().getBoolean(R.bool.config_app_battery_usage_list_enabled); 49 } 50 51 @Override getAvailabilityStatus()52 public int getAvailabilityStatus() { 53 return mEnableAppBatteryUsagePage ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; 54 } 55 }