iOS 使用MFMessageComposeViewContro

2021-10-20  本文已影响0人  KingWorld

Swift 5.0版本: 调用以下名为displayMessageInterface的方法:

-重要说明:

有关typeIdentifiers的更多信息,请使用以下链接:https://developer.apple.com/library/archive/documentation/Miscellaneous/Reference/UTIRef/Articles/System-DeclaredUniformTypeIdentifiers.html#//apple_ref/doc/uid/TP40009259-SW1

fileprivate func displayMessageInterface() {
    if MFMessageComposeViewController.canSendText() {
        let composeViewController = MFMessageComposeViewController()
        composeViewController.messageComposeDelegate = self
        composeViewController.body = "Enter your text body here."

        if MFMessageComposeViewController.canSendAttachments() {
            let image = UIImage(named: "image-name")!
            let dataImage =  image.pngData()
            guard dataImage != nil else {
                return
            }
            composeViewController.addAttachmentData(dataImage!, typeIdentifier: "image/png", filename: "ImageData.png")
        }
        self.present(composeViewController, animated: true)
    } else {
        print("Can't send messages.")
    }
}

由于我在上面的方法中提到了委托,因此在UIViewController的情况下可以使用这种方式:

extension UIViewController: MFMessageComposeViewControllerDelegate {
    func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult) {
        if result == .failed {
            print("could not send message")
        }
        self.dismiss(animated: true)
    } 
}
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