Android DocumentCentricRecents Sample
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Sample demonstrating the basic usage of the new 'Document Centric Apps' API.
It let's you create new documents in the system overview menu and persists its
state through reboots.
Introduction
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This sample shows the basic usage of the new Document-Centric Apps API. The new
API modifies the meaning of the Intent#FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET flag, which is
now deprecated. In versions before L it serves to define a boundary between the main task and a
subtask. The subtask holds a different thumbnail and all activities in it are finished when the
task is reset. In L this flag causes a full break with the task that launched it. As such it has
been renamed to Intent#FLAG_ACTIVITY_NEW_DOCUMENT.
This sample mainly uses Intent flags in code. But Activities can also specify in their manifests
that they shall always be launched into a new task in the above manner using the new activity
attribute documentLaunchMode which may take on one of three values, “intoExisting” equivalent to
NEW_DOCUMENT, “always” equivalent to NEW_DOCUMENT | MULTIPLE_TASK, “none” the default, and
“never” which will negate the effect of any attempt to launch the activity with NEW_DOCUMENT.
Pre-requisites
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- Android SDK 27
- Android Build Tools v27.0.2
- Android Support Repository
Screenshots
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<img src="screenshots/1-activity.png" height="400" alt="Screenshot"/> <img src="screenshots/2-overview.png" height="400" alt="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
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- Google+ Community: https://plus.google.com/communities/105153134372062985968
- Stack Overflow: http://stackoverflow.com/questions/tagged/android
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-DocumentCentricRecents
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
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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.