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/*
* 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
@Unencrypted
static SharedPreferences provideUnencryptedSharedPrefs(@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);
}
}
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