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johnyu
johnyu has asked
4
questions and find answers to
9
problems.
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johnyu questions
What does UIViewController class do in viewDidLoad? [duplicate]
How to add image on top of UINavigationController's navigation bar?
Back-like arrow on iOS 7
johnyu answers
How to wait for method that has completion block (all on main thread)?
drawRect over subviews?
How to clear UITextView... for real
UIView animation prevents touch events? [duplicate]
Move and Scale not working when overlayview set to camera
How to detect Device Orientation before viewDidLoad?
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