1 <?xml version="1.0" encoding="UTF-8"?> 2 <!-- 3 Copyright 2016 The Android Open Source Project 4 5 Licensed under the Apache License, Version 2.0 (the "License"); 6 you may not use this file except in compliance with the License. 7 You may obtain a copy of the License at 8 9 http://www.apache.org/licenses/LICENSE-2.0 10 11 Unless required by applicable law or agreed to in writing, software 12 distributed under the License is distributed on an "AS IS" BASIS, 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 See the License for the specific language governing permissions and 15 limitations under the License. 16 --> 17 18 <sample> 19 <name>ScopedDirectoryAccess</name> 20 <group>Android N Preview</group> <!-- This field will be deprecated in the future 21 and replaced with the "categories" tags below. --> 22 <package>com.example.android.scopeddirectoryaccess</package> 23 24 <minSdk>24</minSdk> 25 <compileSdkVersion>24</compileSdkVersion> 26 <targetSdkVersion>24</targetSdkVersion> 27 28 <!-- Include additional dependencies here.--> 29 <dependency>com.android.support:recyclerview-v7:24.0.0</dependency> 30 <dependency>com.android.support:support-v4:24.0.0</dependency> 31 32 <template src="base" /> 33 34 <strings> 35 <intro> 36 <![CDATA[ 37 This sample demonstrates how to use the Scoped Directory Access API introduced in Android N 38 to easily access to specific directories such as Pictures, Downloads instead of requesting 39 READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE in your manifest. 40 ]]> 41 </intro> 42 </strings> 43 44 <metadata> 45 <status>PUBLISHED</status> 46 <categories>Android N Preview</categories> 47 <technologies>Android</technologies> 48 <languages>Java</languages> 49 <solutions>Mobile</solutions> 50 <level>BEGINNER</level> 51 <icon>screenshots/icon-web.png</icon> 52 <screenshots> 53 <img>screenshots/1.png</img> 54 <img>screenshots/2.png</img> 55 <img>screenshots/3.png</img> 56 </screenshots> 57 <api_refs> 58 <android>android.os.storage.StorageManager</android> 59 <android>android.os.storage.StorageVolume</android> 60 </api_refs> 61 62 <description> 63 <![CDATA[ 64 This sample demonstrates how to use the Scoped Directory Access API introduced in Android N 65 to easily access to specific directories such as Pictures, Downloads instead of requesting 66 READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE in your manifest. 67 ]]> 68 </description> 69 70 <!-- Multi-paragraph introduction to sample, from an educational point-of-view. 71 Makrdown formatting allowed. This will be used to generate a mini-article for the 72 sample on DAC. --> 73 <intro> 74 <![CDATA[ 75 This sample demonstrates how to use the Scoped Directory Access API that provides easy way to 76 access specific directories instead of: 77 - Requesting READ_EXTERNAL_STORAGE or WRITE_EXTERNAL_STORAGE in your manifest, which allows 78 access to all public directories on external storage. 79 - Using the Storage Access Framework, where the user usually picks directories via a System UI, 80 which is unnecessary if you app always accesses to the same external directory. 81 82 To access to a specific directory, use a new Intent created using the StorageVolume class like 83 following: 84 85 ``` 86 StorageManager sm = getSystemService(StorageManager.class); 87 StorageVolume volume = sm.getPrimaryVolume(); 88 Intent intent = volume.createAccessIntent(Environment.DIRECTORY_PICTURES); 89 startActivityForResult(intent, request_code); 90 ``` 91 92 Note that the argument passed to StorageVolume.createAccessIntent needs to be one of the 93 values of Environment.DIRECTORY_\*. 94 95 Once the user grants the access, `onActivityResult` override will be called with a 96 result code of `Activity.RESULT_OK` and an intent data that contains the URI representing 97 the directory. 98 ]]> 99 </intro> 100 </metadata> 101 </sample> 102
