How Do I Find Android Support Library Version?
Contents What Is the Android Support Library? the Android Support Library Package Is a Set of Code Libraries That Provide Backward-Compatible Versions of...
What is the Android support library?
The Android Support Library package is a set of code libraries that provide backward-compatible versions of Android framework APIs as well as features that are only available through the library APIs. Each Support Library is backward-compatible to a specific Android API level.
What is v4 and v7 in Android?
v4 library: It includes many features and, as its name suggests, supports back to API 4. v7-appcompat: the v7-appcompat library provides support implementations for ActionBar (introduced in API 11) and Toolbar (introduced in API 21) for releases back to API 7.
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