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Introducing Swift to the Touchwonders Team
- 3. A Brief History of Programming Languages C 1972 1983 Objective-C C++ 1995 2009 Go 2003 Scala 2000 C# Java Ruby
- 4. A Brief History of Programming Languages C 1972 1983 Objective-C C++ 1995 2009 Go 2003 Scala 2000 C# Java Ruby Windows PhoneAndroid Web iOS
- 5. A Brief History of Programming Languages C 1972 1983 Objective-C C++ Java Ruby 2009 Go 2003 Scala 2000 C# Swift 20141995
- 6. A Brief History of Programming Languages C 1972 1983 Objective-C C++ Java Ruby 2009 Go 2003 Scala 2000 C# Swift 20141995 Windows PhoneAndroidiOS Web iOS
- 7. - Generics! - Closures! - Type inference! - Multiple return types! - Namespaces! - Mutability syntax Swift Features
- 8. class Future<T> { typealias Callback = (future: Future<T>) -> () ! let q = Queue() var result = TaskResult<T>() var callbacks: Array<Callback> = Array<Callback>() let defaultCallbackExecutionContext = QueueExecutionContext() class func succeeded(value: T?) -> Future<T> { let res = Future<T>(); res.result = TaskResult(value: value) return res } class func failed(error: NSError) -> Future<T> { let res = Future<T>(); res.result = TaskResult(error: error) return res } } Looking at Swift
- 10. We create great apps
- 12. Xcode
- 14. Objective-C
- 15. iOS Animations Data Storage Receiving/Sending notifications Location Services Media Player Address Book Access Calendar Access Achievements and Leaderboards Interface (> 4.000 new API’s in iOS 8)
- 16. App
- 19. It’s a big deal We don’t usually switch languages
- 20. A photographer gets a brand new camera
- 21. A designer switches from Photoshop to a different program
- 22. A cyclist switches to new gear shifting mechanics
- 23. Learn the new thing Apply your trade
- 24. The new tool for building great apps better
- 25. Greatness of apps Quality of Objective-C code Quality of Swift code By approximation
- 26. Same Language Different Language Same! Platform Different! Platform
- 27. Same Language Different Language Same! Platform Different! Platform
- 28. Switching languages Switching platforms How do I write an app in Java/Ruby/Swift? How do I make it great?
- 29. Switching languages Switching platforms How do I write an app in Java/Ruby/Swift? How do I make it great? Takes a few weeks Takes months-years
- 30. Programming Platform Language By approximation Inside a Developer
- 32. - Strict! - Modern! - Clean Swift Features
- 33. Strict & Modern Imagine a future Photoshop where you can never give something a color, without defining a swatch first. In this tool, it is equally impossible to create a label with an arbitrary font style. Fonts styles and colors are created and edited in a central place. Changes propagate to all usages of that color or font style. This tool, like Swift, protects you from introducing inconsistency in your design.
- 34. let names = ["Steve", "Tim"] for name in names { println("Hello (name)") } NSArray *names = @[@"Steve", @"Tim"]; for (NSString *name in names) { NSLog(@"Hello %@", name); } Objective-C Swift Clean
- 35. UIView.animateWithDuration(0.5) { view.alpha = 0 } [UIView animateWithDuration:0.5 animations:^{ view.alpha = 0; }]; Objective-C Swift Clean
- 36. Swift Features - Strict! - Modern! - Clean
- 37. Swift Features != Easy - Strict! - Modern! - Clean
- 38. Swift Features != Easy Fresh - Strict! - Modern! - Clean
- 39. We can start writing apps in Swift today
- 40. We can ship them when iOS 8 comes out
- 41. (Swift runs on iOS 7 and above)
- 42. We can use Swift in existing apps, side by side with Objective-C
- 43. We should wait a little bit (it’s buggy)
- 44. We should play with it and let Apple know what we think
- 45. We can help shape Swift 1.0
- 49. Demo