我一直在使用下面的代码来展示UIActivityViewController当我使用 Xcode 6、Swift 1.2 和 iOS 8 时，它工作得很好。但是，当我更新时，它显示UIActivityViewController但它完全是空白的，没有任何共享选项。你有什么建议吗？
if UIDevice.currentDevice().userInterfaceIdiom == .Pad {
let textToShare = textViewOne.text
let objectsToShare = [textToShare]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
let nav = UINavigationController(rootViewController: activityVC)
nav.modalPresentationStyle = UIModalPresentationStyle.Popover
let popover = nav.popoverPresentationController as UIPopoverPresentationController!
popover.sourceView = self.view
popover.sourceRect = sender.frame
self.presentViewController(nav, animated: true, completion: nil)
} else {
let textToShare = textViewOne.text
let objectsToShare = [textToShare]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
self.presentViewController(activityVC, animated: true, completion: nil)
}
这已经解决了。
let objectsToShare = [textToShare]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
activityVC.title = "Share One"
activityVC.excludedActivityTypes = []
activityVC.popoverPresentationController?.sourceView = self.view
activityVC.popoverPresentationController?.sourceRect = sender.frame
self.presentViewController(activityVC, animated: true, completion: nil)
在斯威夫特 3.0 中：
let objectsToShare = [textToShare]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
activityVC.title = "Share One"
activityVC.excludedActivityTypes = []
activityVC.popoverPresentationController?.sourceView = self.view
activityVC.popoverPresentationController?.sourceRect = sender.frame
self.present(activityVC, animated: true, completion: nil)
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