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
22    <strings>
23        <intro>
24<![CDATA[
25This sample demonstrates how to use the ContentProvider with paging support introduced
26in Android O. The ContentProvider now accepts additional arguments for the offset and
27the limit in the query method to support paging instead of fetching all the data in
28a 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[
53This sample demonstrates how to use the ContentProvider with paging support introduced
54in Android O. The ContentProvider now accepts additional arguments for the offset and
55the limit in the query method to support paging instead of fetching all the data in
56a 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
63data at once.
64
65Starting from Android O, ContentProvider#query(Uri, String[], Bundle, CancellationSignal) and
66DocumentsProvider#query(Uri, String[], Bundle, CancellationSignal) methods are introduced.
67The Bundle accepts the keys for ContentResolver.QUERY_ARG_OFFSET as an starting offset and
68ContentResolver.QUERY_ARG_LIMIT as the number of items included in the returned Cursor object.
69
70Similarly, the returned Cursor object now has a Bundle object obtained by Cursor#getExtras().
71The Bundle is able to include data such as the  total size of the underlying data set.
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>
79