I am migrating my apps over and on one I use a UIPickerView. In the viewDidLoad method I create the picker and set it\'s y origin to be self.view.frame.si
It looks like iOS detects the app is designed for use on iPhone 5 after detecting a Default-568h@2x.png image in your bundle. How to develop or migrate apps for iPhone 5 screen resolution? has a complete answer outlining the entire process.