The Android Support Library is a set of code libraries — resources that can be used to build features and/or functions into an app — that provide things like features or widgets that would normally require an actual Android framework API to include in an app.
What is Android Service library?
The Android Support Library is a set of code libraries — resources that can be used to build features and/or functions into an app — that provide things like features or widgets that would normally require an actual Android framework API to include in an app.