1. 11/11/2019 1:15 PM
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Build Xamarin solutions with authentication and Microsoft Graph
11/11/2019 1:15 PM
Build Xamarin solutions with authentication and Microsoft Graph
Brandon Werner
Principal Program Manager
Microsoft Identity Developer Experience
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. Agenda Introduction The Authentication Flow for Native Devices Demo
11/11/2019 1:15 PM
Introduction
The Authentication Flow for Native Devices
Demo
Resources and next steps
Introduction
Why enable sign in in Web Apps?
Demo - What is the user experience ?
Demo – How ?
What’s the code that does the magic ?
Register the AAD application
Variations
Resources and next steps
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

4. Introduction
Demonstrate how to use Visual Studio and NuGet on macOS to deliver a cross platform sign-in experience on iOS and Android.
Download the Xamarin Forms sample and configure
Sign in both consumer and business users with one SDK.
Calling the Microsoft Graph API

6. Microsoft Authentication Library
New Pattern for Secure Authentication
Application
System Browser
Microsoft Authentication Library
This return from the system browser is why configuring your app correctly is so important.

7. Demo Create and configure an Xamarin Application for iOS and Android
11/11/2019 1:15 PM
Demo
Create and configure an Xamarin Application for iOS and Android
© Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

8. Recap Install the MSAL Preview for .Net
Update our code to authenticate the user
Update our code to call the Microsoft Graph
Edit our platform specific app config to get the return

9. Resources Xamarin for macOS: https://www.visualstudio.com/xamarin/
MSAL Preview for .Net:
The Xamarin forms app using MSAL: