1. Craig Dunn
Developer Evangelist
Xamarin
craig@xamarin.com
@conceptdev
iOS & Android Cloud Apps
with Xamarin and C#

2. What is Xamarin?
• Xamarin lets you reach all the major mobile platforms
Native user interface

3. What is Xamarin?
• Xamarin lets you reach all the major mobile platforms
Native user interface
Native performance

4. What is Xamarin?
• Xamarin lets you reach all the major mobile platforms
Native user interface
Native performance
Share code across platforms

5. What is Xamarin?
• Xamarin lets you reach all the major mobile platforms
Native user interface
Native performance
Share code across platforms
C# and .NET framework

6. Xamarin Development
Visual Studio
Xamarin Studio

7. Xamarin Development: iOS
• Code signing
• App configuration
• Deployment
Keychain - certificates

8. Xamarin Development: Android
• AndroidManifest.xml
Permissions
App configuration
Use [Activity] and
other attributes
• Deployment
Signing
Signing wizard

9. Cross-platform Apps
&

10. Cross-platform Apps
&

11. Cross-platform Apps
Go go gadget mobile!

12. Xamarin & Parse
• Xamarin is embedded right into the Parse Quick Start
https://www.parse.com/docs/dotnet_guide

13. Just add water
Component!

14. Initialize
Windows
iOS
Android

15. Store Data in the Cloud
• Using C#
Windows
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();

16. Store Data in the Cloud
• Using C#
Windows
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();
iOS with Xamarin
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();

17. Store Data in the Cloud
• Using C#
Windows
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();
iOS with Xamarin
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();
Android with Xamarin
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();

18. Store Data in the Cloud
async/await
• Using C#
Windows
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();
iOS with Xamarin
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();
Android with Xamarin
var todo = new ParseObject ("Todo");
todo ["Title"] = "Build app with Parse";
todo ["Description"] = "C# for iOS & Android with Xamarin";
await todo.SaveAsync();

19. DEMO

20. Ready to test?
• Xamarin Test Cloud - real mobile device testing
App Explorer or Calabash scripts
Hundreds of iOS and Android devices
http://xamarin.com/test-cloud

21. Ready to test?
• Xamarin Test Cloud - real mobile device testing
Step-by-step screenshots
Device log
http://xamarin.com/test-cloud

22. Questions?
Craig Dunn
Developer Evangelist
Xamarin
craig@xamarin.com
@conceptdev