Android, Windows, and iOS support are all required for a successful app launch. This course, revised for 2015, is one in a series that will demonstrate the similarities and differences between the three platforms via the development of a complete note-taking app. This installment uses Xcode and Apple's Swift programming language to get the job done. Author Todd Perkins shows you how to set up your development environment, create a new app, and customize the app to support a split-screen view.