crash on showing UIPopOverPresentationController


*** Terminating app due to uncaught exception 'NSGenericException', reason: 'UIPopoverPresentationController (<_UIAlertControllerActionSheetRegularPresentationController: 0x1a56bd90>) should have a non-nil sourceView or barButtonItem set before the presentation occurs.'


self.dismissViewControllerAnimated(true, completion: nil) let textToShare:String = "Lets have a chat!"; let activityVC:UIActivityViewController = UIActivityViewController(activityItems: [textToShare], applicationActivities: nil) let excludeActivities = [UIActivityTypeAirDrop, UIActivityTypePrint, UIActivityTypeSaveToCameraRoll, UIActivityTypeAssignToContact, UIActivityTypePostToFlickr, UIActivityTypePostToTencentWeibo, UIActivityTypePostToVimeo, UIActivityTypePostToTencentWeibo] activityVC.excludedActivityTypes = excludeActivities activityVC.modalPresentationStyle = UIModalPresentationStyle.FormSheet presentViewController(activityVC, animated: true, completion: nil)


I modified with below code and found solution.

if (DeviceType.IS_IPAD == false) { presentViewController(activityVC, animated: true, completion: nil) }else { // Change Rect to position Popover let popUp = UIPopoverController(contentViewController: activityVC) popUp.presentPopoverFromRect(CGRectZero, inView: self.view, permittedArrowDirections: UIPopoverArrowDirection.Any, animated: true) }


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