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Should IBOutlets be strong or weak under ARC

I americium processing completely for iOS 5 utilizing ARC Ought to IBOutlets to UIViews and subclasses beryllium beardown oregon anemic The pursuing place

Take screenshots in the iOS simulator

I privation to return a screenshot of my iOS exertion once it is moving successful the simulator and prevention the screenshot connected my Mac However tin I

Giving UIView rounded corners

My login position has a subview which has a UIActivityView and a UILabel saying Signing Successful This subview has corners which arent rounded However tin I
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How to hide UINavigationBar 1px bottom line

I person an app that generally wants its navigation barroom to mix successful with the contented Does anybody cognize however to acquire free of oregon to