Saturday, 10 October 2020

Horrible performance on inverted Flatlist on Android, when a lot of text is on screen

I am building a chat app and since react-native 0.63, I am having horrible performance when there are long texts involved on an inverted Flatlist, on Android.

Here is a snack repro showcasing the issue (visible only when trying on a physical android phone): https://snack.expo.io/@divone/4c8d68

I reported a bug for it. It should be pretty flagrant for anyone who is building a chat app with an inverted Flatlist, but somehow I don't see this issue being talked about anywhere.

This made me think that maybe others have solved it somehow? If yes, how can I solve it too? It is making my app barely usable right now.



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