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Editorial Team
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Asked: 2026-05-21T01:59:59+00:00

I have a checkin related app. When user clicks a venue on map, callout

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I have a checkin related app. When user clicks a venue on map, callout will popup and show its name and address. At the same time, if the venue is within 1000m from current location, a check in button will be displayed.

To a venue that can checkin, all I want is,

when callout is popup, check in button shows. when callout is disappear, that button disappears too.

Now show button works well, but I don’t know how to detect callout visible status. Is there any callback method that callout show/hide?

Thanks in advance!

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1 Answer

  1. Editorial Team

    Callout appears when annotation is selected – you can use mapView:didSelectAnnotationView: method in delegate to track that event. Callout hides when annotation is deselected – use mapView:didDeselectAnnotationView: method to track that event.

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