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androidx.core:core

Official Description: 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.

CommonsWare's Notes

This artifact is a "grab bag" or "kitchen sink" of classes that are used by many of the other AndroidX artifacts. It is almost guaranteed that you are pulling in core via transitive dependencies in your AndroidX project, even if you do not have an explicit reference to it in your dependencies closure in your build.gradle file.

Among other things, core contains:

  • Most of the ...Compat classes (ActivityCompat, ContextCompat, NotificationCompat, etc.)

  • JobIntentService

  • AtomicFile

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