I prefer to develop iOS apps without using .xib files. This iOS project is a simple demo of my layout additions category of UIView UIView+BKLayout is a category on UIView that adds configurable annotations to views in your app. It is open source, check it out at https://github.com/bkturley/UIView-BKLayout.
This common error plagued be when trying to run my weatherApp on an iOS device. It turns out that a build setting needs to be changed. In xcode, select your project file. select the ‘Build Settings’ tab change the view from ‘Basic’ to ‘All’ search for ‘Build Active Architecture Only’ set this value to YES.