[5.0.0-rc4] updateDataSet calls animation when 'animate' parameter is 'false'

[Str4tocaster]

Hello. I try to use FlexibleAdapter in our XMPP-client app - Xabber.
I have: compileSdkVersion 26, test on API 25
I enjoy to work with this adapter, but i also have one trouble.

When i call adapter.updateDataSet(items, false) - recyclerView always start update animation, although i set animate: false. Update animation do not start only if i called recyclerVIew.setItemAnimator(null). But in this case recyclerView do not have all animations.

I need to have all standard animations except update animation. How can I achieve this behavior?Thanks.

[Str4tocaster]

I found information about it in #230. So i just set stableids = false in FlexibleAdapter constructor and this works like i need.
But i have one question - if i set stableids = false, is it reduce list performance? Thanks.

[davideas]

@Str4tocaster, Thank you for your choice.
In issue #230 I talked about setting stableIds true, so only the newly added/removed items will animate. Indeed having false it is like to call directly notifyDataSetChanged() (updateDataSet() calls it) that will bound again all items, so performance are reduced.

With stableIds = true, the RecyclerView will be responsible to find the new items and will animate only them.
To know more I invite you to make some combination experiments with these 2 flags: stableIds (constructor) and animate (updateDataSet).