What is the best way to learn to code a trivia app game (like QuizUp) from scratch?

Open-source community for learning how to code through building projects for non-profits.

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Learn modern programming languages with interactive courses on the most popular tools used by developers.

Gain an understanding of how to read, write and speak the language of HTML, CSS, Python, Ruby, Javascript on your phone through interactive mini-quizzes.

You learn Swift while you make real-world iOS projects, which means you get to apply your new skills immediately and see them work in context.

Learn how to code on your iPhone or iPad - whenever and wherever you have a minute. Dive into app development, learn how to build websites, and get the hang of databases - from the very beginning to intermediate and advanced-level concepts.

A suite of tools to help you design, develop and market iOS apps faster.

Solve puzzles to master the basics using Swift — a powerful programming language created by Apple and used by the pros to build many of today’s most popular apps. Then take on a series of challenges and step up to more advanced creations. Swift Playgrounds requires no coding knowledge, so it’s perfect for students just starting out. It also provides a unique way for seasoned developers to quickly bring ideas to life.

Updated for iOS 8 and Swift. Tools and APIs required to build applications for the iPhone and iPad platforms using the iOS SDK. User interface design for mobile devices and unique user interactions using multi-touch technologies. Object-oriented design using model-view-controller paradigm, memory management, Swift programming language. Other topics include: animation, mobile device power management, multi-threading, networking and performance considerations.