What happens between Application#onCreate and Activity#onCreate?

Question

I'm seeing 200ms or more latency between MyApplication#onCreate and MyActivity#onCreate. Does anything significant happen in that interval?

Answer 1

Based on the documentation of Application#onCreate (link), it is called before any Activity/Service/Receiver objects are created.

This means that after Application#onCreate the Activity (MyActivity in your case) is instantiated and only then can Activity#onCreate be called.

EDIT: Based on your implementation, even the call to super.onCreate() in MyActivity would add to the time interval.