Android Support Library Minimum Sdk

What is the minimum SDK version for the Android Support Library (also known as the compatibility library? Does it go all the way back to SDK 1?

Solution 1:

Most items in the Android Support package support back to API Level 4 (a.k.a., Android 1.6).

Solution 2:

The Minimum API level supported: 4

You can see more information over here:

http://developer.android.com/tools/extras/support-library.html