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README.md

Android ScopedDirectoryAccess Sample

This sample demonstrates how to use the Scoped Directory Access API introduced in Android N to easily access to specific directories such as Pictures, Downloads instead of requesting READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE in your manifest.

Introduction

This sample demonstrates how to use the Scoped Directory Access API that provides easy way to access specific directories instead of:

  • Requesting READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE in your manifest, which allows access to all public directories on external storage.
  • Using the Storage Access Framework, where the user usually picks directories via a System UI, which is unnecessary if you app always accesses to the same external directory.

To access to a specific directory, use a new Intent created using the StorageVolume class like following:

StorageManager sm = getSystemService(StorageManager.class);
StorageVolume volume = sm.getPrimaryVolume();
Intent intent = volume.createAccessIntent(Environment.DIRECTORY_PICTURES);
startActivityForResult(intent, request_code);

Note that the argument passed to StorageVolume.createAccessIntent needs to be one of the values of Environment.DIRECTORY_*.

Once the user grants the access, onActivityResult override will be called with a result code of Activity.RESULT_OK and an intent data that contains the URI representing the directory.

Pre-requisites

  • Android SDK 24
  • Android Build Tools v27.0.2
  • Android Support Repository

Screenshots

Screenshot Screenshot Screenshot

Getting Started

This sample uses the Gradle build system. To build this project, use the "gradlew build" command or use "Import Project" in Android Studio.

Support

If you've found an error in this sample, please file an issue: https://github.com/googlesamples/android-ScopedDirectoryAccess

Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.

License

Copyright 2017 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.