Coding iPhone Apps for Kids: A Playful Introduction to Swift
Pa r t 1 Xcode and Swift
1 hello World In this chapter we’ll walk you through creating your very first app But what exactly is an app Short for application an app is a computer program which is a set of written instructions for a computer to follow An app performs a task for the user like giving driving direc tions predicting the weather or even just providing entertainment with a game The apps that run on a phone or a tablet often called mobile apps have a lot in common with the programs that run on regular computers After reading this book you’ll be able to use your new programming skills on way more than an iPhone or iPad A computer is a computer after all whether it’s in your pocket on your lap or on your desk You’re sure to impress your friends and family with the unique and fun new apps you’ll create Besides being a cool thing to show to your loved ones however your apps can be submitted to the Apple App Store and shared with users all over the world Over 140 billion apps have been downloaded from Apple
