Building Native Cross-Platform Apps in C# with Xamarin

Transcript

1. Building Native Cross-Platform Apps in C# with Xamarin Greg Shackles @gshackles greg@gregshackles.com github.com/gshackles speakerdeck.com/u/gshackles
2. nycmobiledev.net @NYCMobileDev
3. gonemobile.io @GoneMobileCast
4. What is native?
5. The Anatomy of a Native App Native User Interfaces Native API Access Native Performance
6. The Write Once, Run Anywhere Approach Lowest Common Denominator
7. The Xamarin Approach Native Apps, with Shared Code
8. Native Performance Xamarin.iOS does full Ahead Of Time (AOT) compilation to produce an ARM binary for Apple’s App Store. Xamarin.Android takes advantage of Just In Time (JIT) compilation on the Android device.
9. TL;DR Anything you can do in Objective-C, Swift, or Java can be done in C# or F# with Xamarin
10. Always Up To Date Same day support for all the things
11. Always Up To Date
12. Distribute Everywhere
13. Your Friends Are Invited Too Json.NET Rx …and many more!
14. Code Sharing Techniques Because sharing is caring
15. File Linking Core Project iOS Project Core Code iOS-Specific Code Android Project Core Code Android-Specific Code Windows Project Core Code Windows-Specific Code File Links
16. Shared Code Projects
17. Portable Class Libraries • One assembly • Multiple platforms • Including: • Xamarin.iOS • Xamarin.Android • Xamarin.Mac
18. The Xamarin Platform A Whirlwind Tour
19. Development Environment Xamarin Studio Visual Studio Windows or Mac 2010, 2012, 2013, 2015
20. Visual Studio Integration
21. iOS Designer
22. Android Designer
23. Component Store
24. Xamarin.Forms Traditional Xamarin Approach Xamarin.Forms Shared UI Code
25. Xamarin.Forms: What’s Included? • 40+ Pages, Layouts, and Controls • Build from code or XAML • Data Binding • Navigation • Animation • Dependency Service • Messaging Center
26. Xamarin.Forms: Pages Content MasterDetail Navigation Tabbed Carousel
27. Xamarin.Forms: Layouts Stack Absolute Relative Grid ContentView Scroll Frame
28. Xamarin.Forms: Controls ActivityIndicator BoxView Button DatePicker Editor Entry Image Label ListView Map OpenGLView Picker ProgressBar SearchBar Slider Stepper TableView TimePicker WebView EntryCell ImageCell SwitchCell TextCell ViewCell …and more!
29. First Class F# Support
30. Razor Templating
31. Xamarin.UITest • Write UI tests in C# or F# • iOS and Android (with shared test code) • Run on simulator and devices • Compatible with all apps • Native • Hybrid • Xamarin
32. Test Cloud: Test on Real Devices
36. Profiler
37. Android Player
38. • Live online classes • Office hours • Offline access • Guest lectures • Certification
39. Let’s Code
40. Questions? Greg Shackles @gshackles greg@gregshackles.com github.com/gshackles speakerdeck.com/u/gshackles