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iosios14

mailto: scheme and custom mail client in iOS 14

If I change the default mail iOS client into another one, UIApplication.shared.canOpenURL returns false. For default client this method returns true.

But if I call UIApplication.shared.open directly, a custom email client app opens correctly. Does somebody know, what's is the problem? Is it a iOS bug? Or maybe I can detect email client using another way?

URL: mailto://some@email.com

Solution

  • You have to use LSApplicationQueriesSchemes in Info.plist. Just add (or create) a new item mailto for this property.