Building Multi-Platform Native Apps with MVVM and C#

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1. Building Multi-Platform Native Apps with MVVM and C# Greg Shackles Senior Software Engineer OLO @gshackles greg@gregshackles.com github.com/gshackles
2. nycmobiledev.net @NYCMobileDev
3. Gone Mobile gonemobile.io @GoneMobileCast
4. Google Apple RIM Microso! Symbian 52.0% Android 39.9% Apple 4.4% RIM 3.1% Microsoft Source: comScore US Market Share: June 2013
5. Write Once, Run Anywhere
6. Write Once, Run Anywhere BUSTED
7. Xamarin: C# All The Things! * * plus some F# for good measure •100% Native •Full access to platform SDKs •BCL, Async, LINQ, etc •Improved API •Shared code across platforms •Garbage collection •Visual Studio / Xamarin Studio •Frequent Releases
8. MVVM Click Me Hello World! 1. action 2. event handling 3. command 4. access data 5. notify change 6. get changed data 7. update UI View Binder View Model Model
9. Binding: Properties
10. Binding: Collections
11. Binding: Actions
12. Binding: Value Converters
13. MvvmCross: Platforms
14. •Shared behavior, not presentation •Bind all the platforms! •Powerful binding options •Convention over configuration •Pluggable architecture •PCL •Inversion of Control •Testable MvvmCross: Highlights
15. •Source: github.com/slodge/MvvmCross •Stuart’s Blog: slodge.blogspot.com •N+1: mvvmcross.wordpress.com •Chat: jabbr.net/#/rooms/mvvmcross MvvmCross: Resources
16. •Customize view presentation •Platform-specific •Still retain View Model logic Presenters •Tabs / Panorama •Split View / Master-Detail •Fragments •Modals •Hamburger menu
17. Presenters
18. Plugins • Accelerometer • Download Cache • Email • File • Json • Localization • Location • Messenger • Phone Call • Picture Chooser • SQLite • Visibility • Web Browser • Many More!