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iOS 16 Charts and interactivity

Forums > SwiftUI
@pcampbell83  

Hey all,

I'm wondering if anyone has taken a crack at using the new Charts API and adding interaction? I used to have a custom chart that looked like the linked image, whereby you can drag across and the line marks would be "selected" depending where you drag. Current-state, the new Charts API doesn't appear to have any out of the box interactivity I can see.. unless I've missed it.

Has anyone tried anything similar? Using GeometryReader and the like to determine the drag position feels clunky :/

2      

@ridmaur  HWS+

It does. Check Swift Chart Examples as a starting point. I've successfully implemented interactivity with Swift Charts in my app.

2      

@pcampbell83  

Thanks. Looks like the special sauce is SpatialTapGesture .. ideal

2      

@pcampbell83  

UPDATE: I got this working using native Charts, albeit performance of the drag gesture is pretty rough around the edges (completely custom, there is 100% no out of the box Chart stuff here for the drag interaction). Seeing what I can do.

2      

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