Understanding Xamarin Development Matt

Matt Milner  Independent Consultant  Pluralsight Author  Interested in

Overview Cross platform mobile development The Xamarin solution C# on all platforms Sharing code Building user interfaces

Mobile App Development Native Cross Platform C++ / C# Cross Platform HTML / JS

Cross platform mobile dev Android  Android Studio  Java  Interface builder  Fragments  Mac or Windows iOS  Xcode  Objective C  Interface builder  Storyboards  Mac only

“ ” Target iOS, Android, Windows and Mac with a single, shared C# codebase. Use the same language, APIs and data structures on every platform. Xamarin

C# AndroidMacIOSWindows Windows Phone

Development Choices Xamarin Studio Windows or Mac Visual Studio Windows Only Build / Debug on Mac

Demo XAMARIN STUDIO VISUAL STUDIO

C# Source Code C# on Android.NET Runtime (Mono) Application Package Android Bindings App Android Runtime (Dalvik) Android Bindings

iOS Bindings C# Source Code C# on iOS Native Code Native Application

Portable Class Libraries  Single DLL output  Select target platforms  Only in-common  APIs PCL AndroidiOSWindows Windows Phone Maximum code reuse!

Demo PORTABLE CLASS LIBRARIES – EXISTING SOLUTION

Building Native Interfaces  Integrated tools for Android and iOS  Drag and drop toolbox support  Hide some complexities Android UI Code iOS UI Code Shared Code APK iOS

Xamarin Forms  Single code base  UI in XAML or C#  Native platform controls Shared UI Shared Code APKiOS

Matt Milner 