This provides an API to access `Configuration` state for the application
without having to make deep copies of the large `Configuration` struct.
This should avoid the need for Winit to create a global static copy of
the Configuration whenever it changes - and instead it can just get
a `ConfigurationRef` which will always reflect the latest config for
the application.
Fixes: #5
"native-activity" builds were recently broken by bb8eeb705c which
this patch fixes.
The na-mainloop example has also been updated to verify this by
reducing the fake "render" timeout and also triggering a fake
render when an InputAvailable event is received.
Fixes: #12
android_main() now takes an `app: AndroidApp` argument and has an
extern "Rust" ABI instead of "C" ABI.
This should help make it possible to run multiple native Activities in a
single process.
Robert Bragg