1-keepattributes *Annotation* 2 3-keepclassmembers enum androidx.lifecycle.Lifecycle$Event { 4 <fields>; 5} 6 7-keep class * implements androidx.lifecycle.LifecycleObserver { 8} 9 10-keep class * implements androidx.lifecycle.GeneratedAdapter { 11 <init>(...); 12} 13 14-keepclassmembers class ** { 15 @androidx.lifecycle.OnLifecycleEvent *; 16}