Question: What Is V4 and V7 in Android?
Contents What Is Android V7? V7 Support Libraries. Set of Libraries Which Require Android 2.1 (Api Level 7) and Higher. Requires Also the V4 Support Library...
What is Android v7?
v7 Support Libraries. Set of libraries which require Android 2.1 (API level 7) and higher. Requires also the v4 Support library. v7 appcompat library. Adds support for the Action Bar.
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What is Appcompat?
AppCompat (aka ActionBarCompat) started out as a backport of the Android 4.0 ActionBar API for devices running on Gingerbread, providing a common API layer on top of the backported implementation and the framework implementation. AppCompat v21 delivers an API and feature-set that is up-to-date with Android 5.0.
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