university.xamarin.com
Microsoft: Your Complete Mobile Solution
Deploy to emulator and device
iOS Xamarin’s unique approach Shared C# codebase • 100% native API access • High performance Windows C# UI
What is Xamarin.Android? C# source Native execution
Mono and ART VMs run side-by-side to execute a Xamarin.Android app Xamarin.Android execution Android Runtime (ART) Mono Runtime Linux Kernel android.* libraries java.* libraries .NET libraries Your IL code
Xamarin.Android – 100% API coverage Text-to-speech Toolbar Printing Framework Renderscript NFC System.Data System.Collections System.Numerics System.Core System.ServiceModel System.Net System System.IO System.Linq System.Xml C#
Always up-to-date Full support for all Android versions
Xamarin Platform support Broad support for Android devices, including phones, tablets, Android Wear and Amazon Fire TV
Open Source – open.xamarin.com
Develop on Mac or Windows Microsoft Visual Studio on Windows Visual Studio for Mac on macOS (preview)
Development workflow
Activities: a collection of collaborating parts that comprise Android apps App structure Activity 1 UI Code Activity 2 UI Code Activity 3 UI Code Data files, images, etc. MyApp
Activity definition <LinearLayout ... > <TextView ... > <EditText ... > <Button ... > <TextView ... > </LinearLayout> Pi.axml [Activity] public class PiActivity : Activity { ... SetContentView(Resource.Layout.Pi); } PiActivity.cs An XML layout file that defines the UI The related C# class provides the behavior
Integrating .NET Libraries You can integrate your shared business logic packaged as a PCL
You can use JNI or a Bindings Library to incorporate Java libraries into your Xamarin.Android app Integrating Java Libraries PayPal TritonPlayerArcGIS ... Mapping Finance Music
Set the ID of a View in XML using the id attribute and the syntax @+id/ Access UI from code <EditText android:id="@+id/digitsInput" ... /> Set an id in the XML protected override void OnCreate(Bundle bundle) { base.OnCreate(bundle); SetContentView(Resource.Layout.Pi); var et = FindViewById<EditText>(Resource.Id.digitsInput); et.TextChanged += OnTextChanged; } Lookup in code
Xamarin.Android UI is built from Google’s controls and layout panels, wrapped in C# by Xamarin Android UI
Get fully native look and feel with native controls Native UX
Visual Studio provides a UI Designer on Windows and macOS UI Designer
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Free self-guided courses
Thank you @flyinggeekette jumcn@microsoft.com
Q&A Samples available at: https://aka.ms/raz619

Building Your First Android App with Xamarin