Swift ● Understand elements of the Swift standard library
● Learn about Swift’s approach to safety and how to use it to write better apps
● Implement Swift’s functional patterns and utilize extensions to extend “out-of-the-box” functionality
● Learn how Swift manages memory, and contrast this with approaches that other languages take
Xcode ● Navigate Apple’s IDE for developing iOS applications
● Debug problems with applications using the tools that Xcode provides
User Interfaces ● Explore basic interface elements such as labels, buttons, and segmented controls

● Use text fields along with the delegation design pattern to gather user input
● Build interfaces more easily using stack views
● Use containers such as tab bar and navigation controllers to manage more complicated application structures
● Design flexible interfaces that scale across different devices and screen sizes using Auto Layout and size classes
Collections ● Learn how to utilize the data source design pattern
● Display lists of elements using table views
● Display grids of elements using collection views

Localization ● Remove hard-coded locale-specific information – such as date formatting and decimal separators – from applications
● Localize applications into more than one language
Data Persistence ● Learn how the file system is organized on iOS ● Use archiving to persist simple object graphs to the file system
Web Services ● Interact with live APIs to fetch and display external information to the user
● Parse JSON data into Swift model objects