Defer animation on list items until scrolled into view

[harkairt]

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Similar to https://pub.dev/packages/flutter_staggered_animations I would like to be able to only animate a list's items once they appear. Regardless of scrolling, or items changing, they should only animate for the first time.

[gskinner]

Sorry for the delayed response on this.

Interesting! I'll have to look at how they made that work. Worst case, I anticipate it would be pretty easy for the author of flutter_staggered_animations to create an animation type that would accept any flutter_animate instance.

Keeping open and will look into it when time permits. Feel free to take a stab at it in the meantime.