-keepattributes *Annotation* -keepclassmembers enum androidx.lifecycle.Lifecycle$Event { ; } -keep !interface * implements androidx.lifecycle.LifecycleObserver { } -keep class * implements androidx.lifecycle.GeneratedAdapter { (...); } -keepclassmembers class ** { @androidx.lifecycle.OnLifecycleEvent *; } # this rule is need to work properly when app is compiled with api 28, see b/142778206 # Also this rule prevents registerIn from being inlined. -keepclassmembers class androidx.lifecycle.ReportFragment$LifecycleCallbacks { *; }