share-text-image.swift

class TextAndImageActivityItemSource: NSObject, UIActivityItemSource {
    let text: String
    let image: UIImage
    
    init(text: String, image: UIImage) {
        self.text = text
        self.image = image
    }
    
    func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
        return image
    }
    
    func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
        if activityType?.rawValue == "net.whatsapp.WhatsApp.ShareExtension" {
            // Works due to being a single item
            return image
        } else {
            // Does not work, provides empty data
            return [text, image]
        }
    }
}