SDK binaries provided by Google are still used, see https://forum.f-droid.org/t/call-for-help-making-free-software-builds-of-the-android-sdk/4685 https://forum.

SDK binaries provided by Google are still used, see https://forum.f-droid.org/t/call-for-help-making-free-software-builds-of-the-android-sdk/4685 https://forum.f-droid.org/t/call-for-help-making-free-softwa...