Does

data class

have problem with huge data? I mean, I'm using a

data class

in a

RecyclerView

and this class has some fields (all of them are primitive types) and when applying some animations when the user click in one of the items in the list these animations does not works properly. But if I use a

class

instead of a

data class

, everything works fine and all animations are applied.

If your animation triggers an item comparison on the list items you could see problems if the

equals

and

hashcode

methods generated by the

data class

were very expensive.

This is what happens when I use DC: https://imgur.com/a/CkorJ Normal anim (what should happen): https://imgur.com/a/G60r2

Looking at those animations, maybe the animation relies on each item being logically different and with

data class

the comparison now it’s checking field equality… so where

class1 != class2

, now maybe

dataClass

== dataClass2`. Might be helpful to wrap your

data class

in a ViewModel/ViewState like class for display in that list.