Question

我是iOS个开发者和xCode的全新人物。以前我开发了android，我知道我应该与Intent一起打电话并在Android应用程序中发送短信。现在我想开发一个简单的应用程序，当我按下Button时，它会将SMS发送到特定的数字。所以我在Mac OS 10.11上安装了VM Ubuntu。并且可以连接我的iPhone 5并在真实Hello World设备中运行我的简单iPhone应用，而不是simulator。现在我在Button中创建了一个StoryBoard，并按照以下文章制作了一个函数： Send SMS Message Toturial

另外看看其他链接也是类似的。这是我简单的ViewController.swift。

import UIKit
import MessageUI

class ViewController: UIViewController, MFMessageComposeViewControllerDelegate {

    override func viewDidLoad() {
        super.viewDidLoad()

    }

    @IBAction func sendMessage(sender: AnyObject) {

        print("Send button pressed") //display a text to make sure is calling

        if MFMessageComposeViewController.canSendText() {
            let controller = MFMessageComposeViewController()
            controller.body = "TestMessage "
            controller.recipients = ["xxxxxxxxx", "xxxxxxxxx"] // sending for two numbers
            controller.messageComposeDelegate = self
            self.presentViewController(controller, animated: true, completion: nil)
        }
    }
    func messageComposeViewController(controller: MFMessageComposeViewController, didFinishWithResult result: MessageComposeResult) {

        switch (result.rawValue) {
        case MessageComposeResultCancelled.rawValue:
            print("Message was cancelled")
            self.dismissViewControllerAnimated(true, completion: nil)

        case MessageComposeResultFailed.rawValue:
            print("Message failed")
            self.dismissViewControllerAnimated(true, completion: nil)

        case MessageComposeResultSent.rawValue:
            print("Message was sent")
            self.dismissViewControllerAnimated(true, completion: nil)

        default:
            break;
        }
    }

}

还创建了一个Simple按钮并将其链接到上面的sendMessage。当我运行应用程序时，显示按钮，当我按下它时，它似乎正在做某事，但不发送短信。任何的想法？？我真的很感激。

更新：正如我们的朋友说我在sendMessage print("Send button pressed")中添加了Button，所以当我按下按钮时，我会找到按钮sendMessage。

Answer 1

我终于做到了，我混淆了两个解决方案，首先，我改变了sendMessage的功能，并以这种方式将其重命名为sendText：

    @IBAction func sendText(sender: AnyObject) {
    if (MFMessageComposeViewController.canSendText()) {
        let controller = MFMessageComposeViewController()
        controller.body = "Text Body"
        controller.recipients = ["xxxxxxxxxxx"]
        controller.messageComposeDelegate = self
        self.presentViewController(controller, animated: true, completion: nil)
    }
}

MessageComposeViewController的协议是：

func messageComposeViewController(controller: MFMessageComposeViewController, didFinishWithResult result: MessageComposeResult) {
    switch (result.rawValue) {
    case MessageComposeResultCancelled.rawValue:
        print("Message was cancelled")
        self.dismissViewControllerAnimated(true, completion: nil)
    case MessageComposeResultFailed.rawValue:
        print("Message failed")
        self.dismissViewControllerAnimated(true, completion: nil)
    case MessageComposeResultSent.rawValue:
        print("Message was sent")
        self.dismissViewControllerAnimated(true, completion: nil)
    default:
        break;
    }
}

然后单击故事板中的按钮，按control键并将按钮拖到ViewController并选择sendText功能，现在它可以正常工作。

向我的朋友@Kabiroberai寻求帮助并给予一些时间。

Answer 2

继承底部函数转换为swift 4：

func messageComposeViewController(_ controller: MFMessageComposeViewController, didFinishWith result: MessageComposeResult) {
    switch (result.rawValue) {
    case MessageComposeResult.cancelled.rawValue:
        print("Message was cancelled")
        self.dismiss(animated: true, completion: nil)
    case MessageComposeResult.failed.rawValue:
        print("Message failed")
        self.dismiss(animated: true, completion: nil)
    case MessageComposeResult.sent.rawValue:
        print("Message was sent")
        self.dismiss(animated: true, completion: nil)
    default:
        break;
    }
}

在iOS中发送短信

2 个答案: