How to send message and link to WhatsApp in Swift 3?

Question

How to send a message and link to WhatsApp in Swift 3

I'm using this code: Code

Message errore to the console:

...failed for URL: "whatsapp://send?text=Check" - error: "This app is not allowed to query for scheme whatsapp"

Thank you

Answer 1

You should try this:

Note: You must have whatsapp app installed into your device.

Swift 3

var documentInteractionController: UIDocumentInteractionController = UIDocumentInteractionController()

@IBAction func whatsappShareText(_ sender: AnyObject)
{
    let originalString = "First Whatsapp Share"
    let escapedString = originalString.addingPercentEncoding(withAllowedCharacters:CharacterSet.urlQueryAllowed)

    let url  = URL(string: "whatsapp://send?text=\(escapedString!)")

    if UIApplication.shared.canOpenURL(url! as URL)
    {
        UIApplication.shared.open(url! as URL, options: [:], completionHandler: nil)
    }
}

@IBAction func whatsappShareLink(_ sender: AnyObject)
{
    let originalString = "https://www.google.co.in"
    let escapedString = originalString.addingPercentEncoding(withAllowedCharacters:CharacterSet.urlQueryAllowed)
    let url  = URL(string: "whatsapp://send?text=\(escapedString!)")

    if UIApplication.shared.canOpenURL(url! as URL)
    {
        UIApplication.shared.open(url! as URL, options: [:], completionHandler: nil)
    }
}

Add this code in your app "info.plist"

<key>LSApplicationQueriesSchemes</key>
<array>
    <string>whatsapp</string>
</array>

Answer 2

Swift 5

Please follow the below steps for sharing on WhatsApp through URL Schemes

1. Add this code in your app "info.plist"

<key>LSApplicationQueriesSchemes</key>
<array>
  <string>whatsapp</string>
</array>

2. For sharing text and URL

    @IBAction func whatsappShareText(_ sender: AnyObject) {
    let message = "First Whatsapp Share & https://www.google.co.in"
    var queryCharSet = NSCharacterSet.urlQueryAllowed
   
    // if your text message contains special char like **+ and &** then add this line
    queryCharSet.remove(charactersIn: "+&")
   
    if let escapedString = message.addingPercentEncoding(withAllowedCharacters: queryCharSet) {
        if let whatsappURL = URL(string: "whatsapp://send?text=\(escapedString)") {
            if UIApplication.shared.canOpenURL(whatsappURL) {
                UIApplication.shared.open(whatsappURL, options: [: ], completionHandler: nil)
            } else {
                debugPrint("please install WhatsApp")
            }
        }
    }
   

   }

Happy Coding!