Introduction to Xamarin

Brief introduction to Xamarin Platform.

Transcript

1. SAY HELLO TO XAMARIN
2. CROSSPLATFORM* NATIVE APPLICATION DEVELOPMENT PLATFORM BASED ON .NET
3. SUPPORTED PLATFORMS PLUS ALL THE .NET SUPPORTED ONES!
4. WHAT'S ABOUT THE * ON CROSSPLATFORM
5. WHAT'S WRONG WITH CROSSPLATFORM SOLUTIONS? > Using platform specific features > Finding solutions for your problems > Custom behaviours & performance optimizations
7. How Xamarin solves that problem?
8. PLATFORM SPECIFIC PROJECTS CREATE A PLATFORM SPECIFIC PROJECT PER DEVICE / PLATFORM.
9. > No abstraction over native frameworks > Use native ui designers (e.g xcode) > Happy googling or stacoverflowing (?!)
10. IOS CODE SAMPLE IN swift import UIKit class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } }
11. IOS CODE SAMPLE IN c# using UIKit; public class ViewController : UIViewController { override void ViewDidLoad() { base.ViewDidLoad(); // Do any additional setup after loading the view, typically from a nib. } override void DidReceiveMemoryWarning() { base.DidReceiveMemoryWarning(); // Dispose of any resources that can be recreated. } }
12. P.C.L PROJECT FOR PLATFORM INDEPENDENT LOGIC * PROTABLE CLASS LIBRARY
13. IT'S SMALL SUBSET OF .NET FRAMEWORK > Platform independent stuff > Api communication > Storage / Cache > Data flow (e.g MVVM)
14. HOW TO ORGANIZE IT?
16. SHARED CODE PROJECTS
18. USE DEPENDENCY INJECTION TO MAKE PLATFORM DEPENDENT LOGIC SHARED.
19. Deciding to show a notification to user is platform independent. But notification classes are specific to native frameworks.
21. DEMO TIME
22. WHAT AM I LOSING?
23. VERY SMALL AMOUNT OF PERFORMANCE OVERHEAD IN SOME CASES C# VERSION IS FASTER!
24. PACKAGE SIZE >= 3 MB DEPENDING ON YOUR .NET LIBRARY USAGE THIS CAN BE LARGER. XAMARIN LINKER GET RID OF UNUSED PARTS OF .NET
25. USING 3RD PARTY NATIVE LIBRARIES HARDER IT'S POSSIBLE TO USE 3RD PARTY NATIVE LIBRARIES. BUT GENERATING BINDINGS IS HARD.
26. THANKS GITHUB / TWITTER: @UMURGDK