When I am integarting the Instagram in my project. I am getting a image
from UIImagePickerController
and after it i want to send it to Instagram But when I am sending image
to Instagram by UIDocumentInteractionController
delegate method presentOptionsMenuFromRect:inView: animated:
like this
[documentInteractionController presentOptionsMenuFromRect:CGRectZero inView:self.view animated:YES];
The warning comes Warning: Attempt to present <_UIDocumentActivityViewController: 0x7584780> on while a presentation is in progress!
The application is not Crashing. But I am not getting the Problem. Why this warning comes and what It means. I searched on Internet and read questions about this but not got any answer. Help me !!
// Breaks
[viewController1 dismissViewControllerAnimated:YES completion:NULL];
[self presentViewController:viewController2 animated:YES completion:NULL];
// Does not break
[viewController1 dismissViewControllerAnimated:YES completion:^{
[self presentViewController:viewController2 animated:YES completion:NULL];
}];
The Swift 3 version of the above code would look like this:
// Breaks
viewController1.dismiss(animated: true)
present(viewController2, animated: true)
// Does not break
viewController1.dismiss(animated: true) {
present(viewController2, animated: true)
}
Note the use of the completion handler in the second example above.
It only presents viewController2
after viewController1
has been fully dismissed.
For those needing/wanting the swift 3 version, here it is
viewController1.dismiss(animated: true, completion: {
self.present(self.viewController1, animated: true)
})
viewController1 is the viewcontroller you want to present.
It means you are presenting or dismissing UIImagePickerController
and trying to present UIDocumentInteractionController
, while first presentation or dismissing is not completed.
This means that you are presenting 2 ViewControllers at the same time. Call your delegate after the first presentation is completed.
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