When running under iOS 8 beta (using XCode 6 beta), after dismissing the... #1
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
... Add View Controller the screen goes black and no further interaction is possible.
What appears to be happening is that views become the child of a UITransitionView. When the Add views are dismissed it takes all other views with it. With this line remove the UITransitionView only owns the new Add related views, and therefore behaves as expected. The change does not appear to cause any problems in iOS 7. The Swift version of the code does not have this line.