Static Java libraries that implement subset of the functionality from the SDK that’s backwards compatible to older versions of Android, along with other functionality that doesn’t exist in the SDK. Generally you don’t build against bare Android classes thes days. You build against AndroidX.
Static Java libraries that implement subset of the functionality from the SDK that’s backwards compatible to older versions of Android, along with other functionality that doesn’t exist in the SDK. Generally you don’t build against bare Android classes thes days. You build against AndroidX.