Multiple Tasks with Concurrent Documents (Android Development Patterns)
Check out the blog post: https://goo.gl/Hme3tG
Concurrent documents gives users the ability to multi-task within your app, switching between independent parts of your app using the Overview screen (formerly Recents) or, with the help of Android N’s split-screen mode, even showing them side by side. Joanna Smith explains how to use android:documentLaunchMode or intent flags to create new documents and how they affect the behavior of your app.
Learn more about Tasks and the Back Stack from Ian Lake in his video:https://goo.gl/nm5yjz
Read through all the documentation at http://goo.gl/XrpefO
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