I share this good article, but also to ask a question

iOS-Flat-UI-Bundle.jpg

More UI Kits you can found here:
45+ Cool Premium iOS 7 Flat UI Kits & App Mockup for For Designers

My Question:
how to convert PSD files to Xcode App?

I know there are many companies providing PSD TO HTML5,But I have not found this conversion tool to xocde,
I purchased a Flat UI Kit for IOS, BUT IT'S PSD FILES NO CODE, ONLY PSD FILES I need to ask a ios programmer to write code for this kits?

Can anyone recommend a tool to convert psd to xcode?

Many thanks