Proguard causing runtime exception with Android Navigation Component

Question

I\'m experiencing this crash when using proguard after integrating the NavigationComponent (android.arch.navigation:navigation-fragment-ktx:1.0.0-alpha01) into

Answer 1

Did face the same issue. The answer above gave me the correct direction to look into. According to navigation docs

-keep class * extends android.support.v4.app.Fragment{} <-this is not needed 

All you need to do is keep names for data classes which are passed via safe args e.g

-keepnames class com.your.package.models.*