Swiftly Building Better Apps

Talk presented at @dotSwift in Paris on February 6th, 2015.
http://www.thedotpost.com/2015/02/romain-huet-swiftly-building-better-apps

Curious how to design an SDK with Swift developers in mind? Twitter recently launched Fabric, a modular platform which makes it easy to build great apps. Romain takes us through Twitter’s experience building Fabric with seamless Swift support at launch, and shares some of his stories and insights working with the language.

Transcript

1. Swiftly Building 
 Better Apps #dotSwift
2. Romain Huet Developer Advocate @romainhuet
8. Crashlytics Twitter MoPub Kits
9. Quality Growth Revenue Solutions
11. Building a Swift Canonical Sample App
14. Fabric Swift App Cannonball App Store: t.co/cb-ios Open Source: github.com/twitterdev
16. Providing a Delightful Onboarding for Swift
20. Leveraging Module Maps // module.map framework module Fabric { umbrella header "Fabric.h" export * module * { export * } }
21. Integrating with Fabric
22. Integrating with Fabric ( . )
23. Integrating with Fabric ( . ) Crashlytics
24. Integrating with Fabric ( . ) MoPub
25. Integrating with Fabric ( . ) Twitter
26. Integrating with Fabric ( . Crashlytics, Twitter, MoPub )
27. Fabric.with in Swift func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { Fabric.with(Twitter()) return true }
28. Fabric.with in Objective-C - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [Fabric with:@[TwitterKit]]; return YES; } [Fabric with:@[TwitterKit]];
29. Bringing Swift Support to Crashlytics
32. TweetListViewController.swift line 27 Cannonball.TweetListViewController.loadTweets v2.3.1 CRASHES 16k USERS 12k
33. Symbolicating Crash Reports Crashlytics DotSwiftApp.dSYM
34. Demangling Swift Code $ xcrun swift-demangle _TF11DotSwiftApp10getSpeakerFTSiSi_TSS_ _TF11DotSwiftApp10getSpeakerFTSiSi_TSS_ ---> DotSwiftApp.getSpeaker (Swift.Int, Swift.Int) -> (Swift.String)
35. 1,000 8 9 0 8 9 0 8 9 0 9 0 1 times faster
39. Demo
40. Thoughts & Perspectives Crashes, failures and error recovery Beautiful interfaces with accurate typing Implementing frameworks in Swift Dynamic libraries
41. Thoughts & Perspectives Crashes, failures and error recovery Beautiful interfaces with accurate typing Implementing frameworks in Swift Dynamic libraries
42. Thoughts & Perspectives Crashes, failures and error recovery Beautiful interfaces with accurate typing Implementing frameworks in Swift Dynamic libraries
43. Thoughts & Perspectives Crashes, failures and error recovery Beautiful interfaces with accurate typing Implementing frameworks in Swift Dynamic libraries
44. Integrating loves Swift Fabric
45. Integrating loves Swift Twitter
47. .io
48. Thank You @romainhuet