Native iOS and Android Development with Xamarin
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The document outlines the benefits of using Xamarin for developing native iOS and Android applications with a shared C# codebase in Visual Studio. It emphasizes 100% native API access, high performance, and the ability to share code across multiple platforms, including integration with Xamarin.Forms for native UI development. The content also highlights support for various devices and a community edition available for developers.
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Native iOS and Android Development with Xamarin
- 1. Create native iOS & Android apps with Visual Studio and Xamarin James Montemagno @JamesMontemagno
- 2. Who’s this guy? James Montemagno Principal Program Manager – Xamarin, Microsoft [email protected] motzcod.es @JamesMontemagno Weekly development podcast mergeconflict.fm
- 3. Microsoft – Your Complete Mobile Solution
- 7. Silo approach iOS WindowsAndroid Objective-C Xcode C# Visual Studio Java Android Studio No shared code • Many languages and development environments • Multiple teams
- 8. Write once, run anywhere Lua Javascript Actionscript HTML+CSS Limited native API access • Slow performance • Poor user experience App generator
- 9. iOS C# UI Windows C# UIAndroid C# UI Shared C# logic Xamarin’s unique approach Shared C# codebase • 100% native API access • High performance
- 10. Code sharing stats Mac iOS Android Windows Phone iCircuit Touch Draw 86% 14% 72% 28% 70% 30% 61% 39% 88% 12% 76% 24% 90% 10%
- 11. Windows APIs Microsoft.Phone Microsoft.Networking Windows.Storage Windows.Foundation Microsoft.Devices System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#
- 12. iOS – 100% API coverage MapKit UIKit iBeacon CoreGraphics CoreMotion System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#
- 13. Android – 100% API coverage Text-to-speech ActionBar Printing Framework Renderscript NFC System.Data System.Windows System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#
- 14. 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. ARM BINARY Runs natively .APPAOT .NET C# Bindings .APKCompile and Link .NET C# Bindings IL + JIT Runs natively
- 15. ✓ Always up-to-date Same-day support: • iOS 5 • iOS 6 • iOS 7 • iOS 8 • iOS 9 • iOS 10 Full support for: • Apple Watch • Apple TV • Android Wear • Amazon Fire TV • Google Glass • and much more
- 16. Visual Studio Xamarin Studio
- 17. Anything you can do in Objective-C, Swift, or Java can be done in C# and Visual Studio with Xamarin
- 18. Xamarin Platform is included for free in Visual Studio Including Community Edition
- 20. Open Source – open.xamarin.com
- 22. Sharing Code
- 23. 1 Assembly Multiple Platforms Including: Xamarin.iOS and Xamarin.Android Portable Class Libraries – Profile Based
- 24. Share with ASP.NET Core .NET Core and More! Portable Class Libraries - netstandard
- 25. Shared Projects
- 26. NuGet
- 28. Shared C# Logic What about this stuff?
- 29. Platform Specific Code What if we didn’t have to write this code? What if we could access it from shared code? UI+APIs UI + APIsUI + APIs Battery GPS Lights Notifications Settings Text To Speech Battery GPS Lights Notifications Settings Text To Speech Battery GPS Lights Notifications Settings Text To Speech
- 31. Plugins for Xamarin Common API Xamarin.com/plugins
- 32. Plugin Time
- 33. Build native UIs for iOS, Android, and Windows from a single, shared C# codebase. Meet Xamarin.Forms
- 34. Xamarin + Xamarin.Forms Traditional Xamarin approach With Xamarin.Forms: More code-sharing, all native iOS C# UI Windows C# UIAndroid C# UI Shared C# Logic Shared C# Logic Xamarin.Forms
- 35. What’s included ✓ 40+ Pages, layouts, and controls (Build from code behind or XAML) ✓ Two-way data binding ✓ Navigation ✓ Animation API ✓ Dependency Service ✓ Messaging Center Shared C# Logic Shared UI Code
- 36. Pages Stack Absolute Relative Grid ContentView ScrollView Frame Content MasterDetail Navigation Tabbed Carousel Layouts
- 37. ActivityIndicator BoxView Button DatePicker Editor Entry Image Label ListView Map OpenGLView Picker ProgressBar SearchBar Slider Stepper TableView TimePicker WebView EntryCell ImageCell SwitchCell TextCell ViewCell Controls
- 39. Native UI from shared code <?xml version="1.0" encoding="UTF-8"?> <TabbedPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="MyApp.MainPage"> <TabbedPage.Children> <ContentPage Title="Profile" Icon="Profile.png"> <StackLayout Spacing="20" Padding="20" VerticalOptions="Center"> <Entry Placeholder="Username" Text="{Binding Username}"/> <Entry Placeholder="Password" Text="{Binding Password}" IsPassword="true"/> <Button Text="Login" TextColor="White" BackgroundColor="#77D065" Command="{Binding LoginCommand}"/> </StackLayout> </ContentPage> <ContentPage Title="Settings" Icon="Settings.png"> <!-- Settings --> </ContentPage> </TabbedPage.Children> </TabbedPage>
- 42. Test
- 43. Build
- 45. Microsoft & Xamarin: Your Complete Mobile Solution Develop Test Build Distribute Monitor
- 46. Thank You! James Montemagno Principal Program Manager – Xamarin, Microsoft [email protected] motzcod.es @JamesMontemagno Weekly development podcast mergeconflict.fm Q&A