Question 68716 in IOS Swift Question posted in
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What method do I call to open the IOS mail app with SwiftUI? – Ios swift

After a user in my app registers, they are taken to a static screen until they verify their email. This screen contains a button that when pressed, is supposed to open the IOS mail app. How do I do this in SwiftUI?

I’m aware that I can send an email with UIApplication.shared.open(URL(string: "mailto:...")) but I’m trying to specifically just open the app. I’ve tried googling but all the tutorials I’ve seen are for sending emails.

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2

Answers


  1. Chosen as BEST ANSWER
    0

    Thanks to @CloudBalancing for finding the link. The url to open the mail app is URL(string: "message://").

    func openMail() {
    let url = URL(string: "message://")
    if let url = url {
        if UIApplication.shared.canOpenURL(url) {
            UIApplication.shared.open(url, options: [:], completionHandler: nil)
        }
    }
}

  2. 0 
    func openMail(emailTo:String, subject: String, body: String) {
    if let url = URL(string: "mailto:(emailTo)?subject=(subject.fixToBrowserString())&body=(body.fixToBrowserString())"),
       UIApplication.shared.canOpenURL(url)
    {
        UIApplication.shared.open(url, options: [:], completionHandler: nil)
    }
}

extension String {
    func fixToBrowserString() -> String {
        self.replacingOccurrences(of: ";", with: "%3B")
            .replacingOccurrences(of: "n", with: "%0D%0A")
            .replacingOccurrences(of: " ", with: "+")
            .replacingOccurrences(of: "!", with: "%21")
            .replacingOccurrences(of: """, with: "%22")
            .replacingOccurrences(of: "\", with: "%5C")
            .replacingOccurrences(of: "/", with: "%2F")
            .replacingOccurrences(of: "‘", with: "%91")
            .replacingOccurrences(of: ",", with: "%2C")
            //more symbols fixes here: https://mykindred.com/htmlspecialchars.php
    }
}

    if you have some issues with opening of the email link – probably you need to add addidtional fixes to function fixToBrowserString()

    usage in SwiftUI:

    Button("Support Email") { 
    openMail(emailTo: "[email protected]", 
             subject: "App feedback", 
             body: "Huston, we have a problem!nn...")
}
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