1*d353a188SXin Li 2*d353a188SXin LiAndroid ContentProviderPaging Sample 3*d353a188SXin Li=================================== 4*d353a188SXin Li 5*d353a188SXin LiThis sample demonstrates how to use the ContentProvider with paging support introduced 6*d353a188SXin Liin Android O. The ContentProvider now accepts additional arguments for the offset and 7*d353a188SXin Lithe limit in the query method to support paging instead of fetching all the data in 8*d353a188SXin Lia single query method call. 9*d353a188SXin Li 10*d353a188SXin LiIntroduction 11*d353a188SXin Li------------ 12*d353a188SXin Li 13*d353a188SXin Li[ContentProvider][1] and [DocumentsProvider][2] now supports paging instead of fetching the all 14*d353a188SXin Lidata at once. 15*d353a188SXin Li 16*d353a188SXin LiStarting from Android O, ContentProvider#query(Uri, String[], Bundle, CancellationSignal) and 17*d353a188SXin LiDocumentsProvider#query(Uri, String[], Bundle, CancellationSignal) methods are introduced. 18*d353a188SXin LiThe Bundle accepts the keys for ContentResolver.QUERY_ARG_OFFSET as an starting offset and 19*d353a188SXin LiContentResolver.QUERY_ARG_LIMIT as the number of items included in the returned Cursor object. 20*d353a188SXin Li 21*d353a188SXin LiSimilarly, the returned Cursor object now has a Bundle object obtained by Cursor#getExtras(). 22*d353a188SXin LiThe Bundle is able to include data such as the total size of the underlying data set. 23*d353a188SXin Li 24*d353a188SXin Li[1]: https://developer.android.com/reference/android/content/ContentProvider.html 25*d353a188SXin Li[2]: https://developer.android.com/reference/android/provider/DocumentsProvider.html 26*d353a188SXin Li 27*d353a188SXin LiPre-requisites 28*d353a188SXin Li-------------- 29*d353a188SXin Li 30*d353a188SXin Li- Android SDK 27 31*d353a188SXin Li- Android Build Tools v27.0.2 32*d353a188SXin Li- Android Support Repository 33*d353a188SXin Li 34*d353a188SXin LiScreenshots 35*d353a188SXin Li------------- 36*d353a188SXin Li 37*d353a188SXin Li<img src="screenshots/screenshot-1.png" height="400" alt="Screenshot"/> 38*d353a188SXin Li 39*d353a188SXin LiGetting Started 40*d353a188SXin Li--------------- 41*d353a188SXin Li 42*d353a188SXin LiThis sample uses the Gradle build system. To build this project, use the 43*d353a188SXin Li"gradlew build" command or use "Import Project" in Android Studio. 44*d353a188SXin Li 45*d353a188SXin LiSupport 46*d353a188SXin Li------- 47*d353a188SXin Li 48*d353a188SXin Li- Google+ Community: https://plus.google.com/communities/105153134372062985968 49*d353a188SXin Li- Stack Overflow: http://stackoverflow.com/questions/tagged/android 50*d353a188SXin Li 51*d353a188SXin LiIf you've found an error in this sample, please file an issue: 52*d353a188SXin Lihttps://github.com/googlesamples/android-ContentProviderPaging 53*d353a188SXin Li 54*d353a188SXin LiPatches are encouraged, and may be submitted by forking this project and 55*d353a188SXin Lisubmitting a pull request through GitHub. Please see CONTRIBUTING.md for more details. 56*d353a188SXin Li 57*d353a188SXin LiLicense 58*d353a188SXin Li------- 59*d353a188SXin Li 60*d353a188SXin LiCopyright 2017 The Android Open Source Project, Inc. 61*d353a188SXin Li 62*d353a188SXin LiLicensed to the Apache Software Foundation (ASF) under one or more contributor 63*d353a188SXin Lilicense agreements. See the NOTICE file distributed with this work for 64*d353a188SXin Liadditional information regarding copyright ownership. The ASF licenses this 65*d353a188SXin Lifile to you under the Apache License, Version 2.0 (the "License"); you may not 66*d353a188SXin Liuse this file except in compliance with the License. You may obtain a copy of 67*d353a188SXin Lithe License at 68*d353a188SXin Li 69*d353a188SXin Lihttp://www.apache.org/licenses/LICENSE-2.0 70*d353a188SXin Li 71*d353a188SXin LiUnless required by applicable law or agreed to in writing, software 72*d353a188SXin Lidistributed under the License is distributed on an "AS IS" BASIS, WITHOUT 73*d353a188SXin LiWARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 74*d353a188SXin LiLicense for the specific language governing permissions and limitations under 75*d353a188SXin Lithe License. 76
