This is a tutorial that will illustrate how to implement your own pickers in Xcode. Rather than showing the most simple example this tutorial exemplifies the "next step" in pickerviews to make them a bit more useful by outputting two NSStrings of data. I hope it helps!
On this page of the site you can watch the video online Xcode 5: UIPickerView Tutorial with a duration of hours minute second in good quality, which was uploaded by the user Xcode Newbie 22 August 2014, share the link with friends and acquaintances, this video has already been watched 8,479 times on youtube and it was liked by 25 viewers. Enjoy your viewing!