| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| package com.android.dialer.storage; |
| |
| import android.content.Context; |
| import android.content.SharedPreferences; |
| import android.preference.PreferenceManager; |
| import android.support.v4.content.ContextCompat; |
| import com.android.dialer.inject.ApplicationContext; |
| import dagger.Module; |
| import dagger.Provides; |
| import javax.inject.Singleton; |
| |
| /** Module for the storage component. */ |
| @Module |
| public class StorageModule { |
| |
| @Provides |
| @Singleton |
| @DeviceProtected |
| static SharedPreferences provideDeviceProtectedSharedPreferences( |
| @ApplicationContext Context appContext) { |
| // #createDeviceProtectedStorageContext returns a new context each time, so we cache the shared |
| // preferences object in order to avoid accessing disk for every operation. |
| Context deviceProtectedContext = ContextCompat.createDeviceProtectedStorageContext(appContext); |
| |
| // ContextCompat.createDeviceProtectedStorageContext(context) returns null on pre-N, thus fall |
| // back to regular default shared preference for pre-N devices since devices protected context |
| // is not available. |
| return PreferenceManager.getDefaultSharedPreferences( |
| deviceProtectedContext != null ? deviceProtectedContext : appContext); |
| } |
| } |