UIActivityViewController在ios8 ipad上崩溃

我目前正在用Xcode 6 (Beta 6)测试我的应用程序。UIActivityViewController在iPhone设备和模拟器上工作得很好，但在iPad模拟器和设备(iOS 8)上崩溃

Terminating app due to uncaught exception 'NSGenericException', 
reason: 'UIPopoverPresentationController 
(<_UIAlertControllerActionSheetRegularPresentationController: 0x7fc7a874bd90>) 
should have a non-nil sourceView or barButtonItem set before the presentation occurs.

我使用以下代码用于iPhone和iPad的iOS 7以及iOS 8

NSData *myData = [NSData dataWithContentsOfFile:_filename];
NSArray *activityItems = [NSArray arrayWithObjects:myData, nil];
UIActivityViewController *activityViewController = [[UIActivityViewController alloc] initWithActivityItems:nil applicationActivities:nil];
activityViewController.excludedActivityTypes = @[UIActivityTypeCopyToPasteboard];
[self presentViewController:activityViewController animated:YES completion:nil];

我得到一个类似的崩溃在我的另一个应用程序以及。你能引导我吗?ios8中的UIActivityViewController有什么变化吗?我查过了，但在这上面什么也没找到

当前回答

我尝试了下一个代码，它工作:

首先在视图控制器中放入一个栏按钮项然后创建一个IBOutlet:

@property(weak,nonatomic)IBOutlet UIBarButtonItem *barButtonItem;

你的uiactivityviewcontroller . popoverpresentationcontroller . barbuttonitem = self.barButtonItem;

2015-04-10 09:35:39

其他回答

SwiftUI版本

func presentActivityView(items: [Any]){
    let activityController = UIActivityViewController(activityItems: items, applicationActivities: nil)
    if UIDevice.current.userInterfaceIdiom == .pad{
        activityController.popoverPresentationController?.sourceView = UIApplication.shared.windows.first
        activityController.popoverPresentationController?.sourceRect = CGRect(x:  UIScreen.main.bounds.width / 3, y:  UIScreen.main.bounds.height / 1.5, width: 400, height: 400)
    }
    UIApplication.shared.windows.first?.rootViewController?.present(activityController, animated: true, completion: nil)
}

2021-01-19 04:22:05

在Swift修复这个iPad，最好的方法是这样做，我发现。

    let things = ["Things to share"]
    let avc = UIActivityViewController(activityItems:things, applicationActivities:nil)
    avc.setValue("Subject title", forKey: "subject")
    avc.completionWithItemsHandler = {
        (s: String!, ok: Bool, items: [AnyObject]!, err:NSError!) -> Void in
    }

    self.presentViewController(avc, animated:true, completion:nil)
    if let pop = avc.popoverPresentationController {
        let v = sender as! UIView // sender would be the button view tapped, but could be any view
        pop.sourceView = v
        pop.sourceRect = v.bounds
    }

2015-06-29 17:01:46

Swift, iOS 9/10 (UIPopoverController弃用后)

let activityViewController = UIActivityViewController(activityItems: sharingItems, applicationActivities: nil)

    if UIDevice.currentDevice().userInterfaceIdiom == .Pad {

       if activityViewController.respondsToSelector(Selector("popoverPresentationController")) {
          activityViewController.popoverPresentationController?.sourceView = self.view
        }
    }

    self.presentViewController(activityViewController, animated: true, completion: nil)

2016-08-10 04:14:20

Swift = ios7/ ios8

let activityViewController = UIActivityViewController(activityItems: sharingItems, applicationActivities: nil)

//if iPhone
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiom.Phone) {
    // go on..
} else {
    //if iPad
    if activityViewController.respondsToSelector(Selector("popoverPresentationController")) {
        // on iOS8
        activityViewController.popoverPresentationController!.barButtonItem = self.shareButtonItem;
    }
}
self.presentViewController(activityViewController, animated: true, completion: nil)

2015-06-18 15:15:06

只是作为参考。

我分享以下代码，这一个使用Swift 5.0。此外，它还避免了弃用的窗口。

UIApplication.shared.windows.first ? .rootViewController !。present(actiycontroller, animated: true, completion: nil)

代码片段如下:

let activityController = UIActivityViewController(activityItems: [activityItem], applicationActivities: nil)

let scenes = UIApplication.shared.connectedScenes 
let windowScene = scenes.first as? UIWindowScene 
let window = windowScene?.windows.first 

if UIDevice.current.userInterfaceIdiom == .pad{
    activityController.popoverPresentationController?.sourceView = window
    activityController.popoverPresentationController?.sourceRect = CGRect(x:  UIScreen.main.bounds.width / 3, y:  UIScreen.main.bounds.height / 1.5, width: 400, height: 400)
}

window?.rootViewController!.present(activityController, animated: true)

它已经在iPhone和iPad上进行了测试。

希望它能帮助到一些人。

干杯!

2022-06-16 23:29:47

UIActivityViewController在ios8 ipad上崩溃

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