IssueTracker

R8 3.1 (full mode) will remove annotations from classes, fields and methods that are not matched by a -keep rule, even in the presence -keepattributes *Annotation*. The motivation for this change is to prevent R8 from having to retain all annotations in the program, when only a few are typically needed.

With R8 3.1 in full mode, the following rule is therefore needed to preserve @Navigator.Name annotations on subclasses of androidx.navigation.Navigator:

-keep,allowobfuscation,allowshrinking class * extends androidx.navigation.Navigator

This would be good to add to the consumer Proguard rules of androidx.navigation.

(This showed up while trying to revert commit "Disable R8 full mode for now" @ https://github.com/chrisbanes/tivi/commit/9720aa34f6c8b9e5260129ab6d05b44e84d3721c.)