| Takeshi Hagikura | 0dca382 | 2017-03-10 11:35:17 +0900 | [diff] [blame] | 1 | <?xml version="1.0" encoding="UTF-8"?> |
| 2 | <!-- |
| 3 | Copyright 2017 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 | <sample> |
| 18 | <name>ContentProviderPaging</name> |
| 19 | <group>UI</group> |
| 20 | <package>com.example.android.contentproviderpaging</package> |
| 21 | |
| Takeshi Hagikura | 0dca382 | 2017-03-10 11:35:17 +0900 | [diff] [blame] | 22 | <strings> |
| 23 | <intro> |
| 24 | <![CDATA[ |
| 25 | This sample demonstrates how to use the ContentProvider with paging support introduced |
| 26 | in Android O. The ContentProvider now accepts additional arguments for the offset and |
| 27 | the limit in the query method to support paging instead of fetching all the data in |
| 28 | a single query method call. |
| 29 | ]]> |
| 30 | </intro> |
| 31 | </strings> |
| 32 | |
| 33 | <template src="base-build" /> |
| 34 | |
| 35 | <metadata> |
| 36 | <status>PUBLISHED</status> |
| 37 | <categories>Content, Android O Preview</categories> |
| 38 | <technologies>Android</technologies> |
| 39 | <languages>Java</languages> |
| 40 | <solutions>Mobile</solutions> |
| 41 | <level>INTERMEDIATE</level> |
| 42 | <icon>screenshots/icon-web.png</icon> |
| 43 | <screenshots> |
| 44 | <img>screenshots/screenshot-1.png</img> |
| 45 | </screenshots> |
| 46 | <api_refs> |
| 47 | <android>android.content.ContentProvider</android> |
| 48 | <android>android.provider.DocumentsProvider</android> |
| 49 | </api_refs> |
| 50 | |
| 51 | <description> |
| 52 | <![CDATA[ |
| 53 | This sample demonstrates how to use the ContentProvider with paging support introduced |
| 54 | in Android O. The ContentProvider now accepts additional arguments for the offset and |
| 55 | the limit in the query method to support paging instead of fetching all the data in |
| 56 | a single query method call. |
| 57 | ]]> |
| 58 | </description> |
| 59 | |
| 60 | <intro> |
| 61 | <![CDATA[ |
| 62 | [ContentProvider][1] and [DocumentsProvider][2] now supports paging instead of fetching the all |
| 63 | data at once. |
| 64 | |
| 65 | Starting from Android O, ContentProvider#query(Uri, String[], Bundle, CancellationSignal) and |
| 66 | DocumentsProvider#query(Uri, String[], Bundle, CancellationSignal) methods are introduced. |
| 67 | The Bundle accepts the keys for ContentResolver.QUERY_ARG_OFFSET as an starting offset and |
| 68 | ContentResolver.QUERY_ARG_LIMIT as the number of items included in the returned Cursor object. |
| 69 | |
| Takeshi Hagikura | b1a23f0 | 2017-03-21 11:46:08 +0900 | [diff] [blame] | 70 | Similarly, the returned Cursor object now has a Bundle object obtained by Cursor#getExtras(). |
| 71 | The Bundle is able to include data such as the total size of the underlying data set. |
| Takeshi Hagikura | 0dca382 | 2017-03-10 11:35:17 +0900 | [diff] [blame] | 72 | |
| 73 | [1]: https://developer.android.com/reference/android/content/ContentProvider.html |
| 74 | [2]: https://developer.android.com/reference/android/provider/DocumentsProvider.html |
| 75 | ]]> |
| 76 | </intro> |
| 77 | </metadata> |
| 78 | </sample> |