iOS 10 中的 UIActivityViewController

Question

有人知道如何在 iOS 10 中使用 UIActivityView 吗？现在由于某种原因在 Swift 3.0 中它会编译和构建但是当应用程序是运行按下共享按钮后使用以下代码导致应用程序崩溃......它在 iOS 9.3 和 Swift 2.0.

如代码第 6 行的注释中所述或 let objectsToShare = [textToShare] as! AnyObject 导致线程 1：信号 SIGABRT 和应用程序崩溃

@IBOutlet weak var detailDescriptionLabel: UITextView!

@IBAction func share(_ sender: AnyObject) {
        let textToShare = detailDescriptionLabel.attributedText

        let objectsToShare = [textToShare] as! AnyObject
        // line above causes app crash in iOS 10 - compiled and built
        // error is "Thread1: signal SIGABRT"

        let activityVC = UIActivityViewController(activityItems: objectsToShare as! [AnyObject], applicationActivities: nil)

        activityVC.popoverPresentationController?.sourceView = (sender as! UIView)
        self.present(activityVC, animated: true, completion: nil)
    }


class ActivityForNotesViewController: UIActivityViewController {

    internal func _shouldExcludeActivityType(_ activity: UIActivity) -> Bool {
        let activityTypesToExclude = [
            //insert UIActivity here
        ]

        if let actType = activity.activityType {
            if activityTypesToExclude.contains(actType) {
                return true
            }
            else if super.excludedActivityTypes != nil {
                return super.excludedActivityTypes!.contains(actType)
            }
        }
        return false
    }
}

如果有人能帮助我，我将不胜感激。

Answer 1

我想我可能已经回答了我自己的问题，但如果有人能仔细检查，我将不胜感激。代码中的注释是我为使此修复生效所做的各种更改。在模拟器和真实设备中 iOS 10 中工作。

@IBAction func share(_ sender: AnyObject) {
        // Changed attributedText to text!
        let textToShare = detailDescriptionLabel.text!

        // Removed Cast to AnyObject
        let objectsToShare = [textToShare]

        //Removed cast to AnyObject in the Function Call to get rid of error from removing it above
        let activityVC = UIActivityViewController(activityItems: objectsToShare , applicationActivities: nil)


//Moved cast for as! UIView outside the perantheses of sender so 
//that the as! can be used more efficiently. But most importantly
// I changed the as! to a as? instead thinking that might catch an error and it did... so this works.

        activityVC.popoverPresentationController?.sourceView = (sender) as? UIView
                self.present(activityVC, animated: true, completion: nil)
}

Answer 2

let objectsToShare = [textToShare]

let activityVC = UIActivityViewController(activityItems: objectsToShare , applicationActivities: nil)

应该是这样使用的

iOS 10 中的 UIActivityViewController

UIActivityViewController in iOS 10

ios

uiactivityviewcontroller

swift

ios10