On Wed, May 4, 2016, at 01:34 PM, Matt Reagan wrote: > Hi all, > > I've encountered a bug when UIImagePickerController is presented in a > popover on iOS 9, and have been unable to find a workaround / fix.
Please file a bug report at https://bugreport.apple.com. --Kyle > > It is easily reproducible in a brand new Xcode template (repro steps + > sample project linked below), but I haven't been able to find much > information online. I've been able to find partial fixes that depend on > the orientation + multitasking settings of the app, but when the > UIImagePickerController is the child of any other view controller > (UITabBarController etc.) and the device or sim is in Landscape, it > always breaks. I'm attempting to find a reliable fix or workaround, was > hoping someone here may have seen this before? > > Bug: > * UIImagePickerController presented in a popover of any kind has a > broken 'pop' / back navigation animation > * Animated gif: http://i.imgur.com/na2lprb.gif > > Factors: > * The bug itself is impacted by several things: > - Orientation of the device/sim (only reproducible in Landscape) > - Multitasking availability (only Multitasking-capable > devices/sims AFAICT) > - Multitasking opt-in (whether 'Requires full screen' is > checked) > - Whether the UIImagePickerController is a child of any other > controller > * The bug is NOT impacted by the following: > - Whether UIPopoverController or presentViewController: + > UIModalPresentationPopover style is used > > Repro steps (sample project linked below): > - Create a new iOS Xcode project ('Single view application' template) > - Add a button and wire it up to an action method in ViewController.m > - Add code to present a standard UIImagePickerController in a > UITabBarController (ex. snippet below) > - Run the app on a 9.3 iPad Air 2 Device (or simulator) > - Make sure device/sim is rotated to Landscape > - Tap button (see 'Result' below) > > Result: > * The popover is presented in the UITabBarController + popover > normally, but if the user pushes back within the UIImagePickerController's > navigation flow, the animation is broken > * Gif: http://i.imgur.com/na2lprb.gif > > Example code: > > //**** Bug also reproducible via presentViewController: + > UIModalPresentationPopover style > > - (IBAction)buttonWasTapped:(UIButton *)sender > { > UIImagePickerController *cameraRollController = > [UIImagePickerController new]; > > cameraRollController.sourceType = > UIImagePickerControllerSourceTypePhotoLibrary; > cameraRollController.allowsEditing = NO; > > UITabBarController *tabController = [UITabBarController new]; > tabController.viewControllers = @[cameraRollController]; > > UIPopoverController *popoverController = [[UIPopoverController > alloc] initWithContentViewController:tabController]; > [popoverController presentPopoverFromRect:sender.bounds > inView:sender > > permittedArrowDirections:UIPopoverArrowDirectionDown > animated:YES]; > } > > Example project: > * http://sound-of-silence.com/sos/private/ImagePickerBug.zip > > So far I've tried just about everything I can think of to fix the > problem. As noted above, there are partial "fixes" that work (disabling > Multitasking, or limiting orientations), but this is true only when the > UIImagePickerController is presented _directly_ in the popover. When the > picker is a child of any other view controller (embedded in a tab > controller, or added as a child of an arbitrary UIViewController) I've > been unable to find a fix. > > Has anyone seen this before? Any advice/suggestions would be greatly > appreciated. > > Thank you~ _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
