platform
The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs. Compatible on devices running API 14 or later.
Last Release on Sep 21, 2018
Relocated → androidx.appcompat »
appcompat
Provides backwards-compatible implementations of UI-related Android SDK functionality, including dark mode and Material theming.
Last Release on Jun 4, 2025
A library jar that provides APIs for Applications written for the Google Android Platform.
Last Release on Dec 28, 2015
Runner and annotations for configuring and executing tests on the JUnit Platform in a JUnit environment.
Last Release on Jun 7, 2025