Extending, optimizing, and accelerating Xamarin and Xamarin.Forms app development
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Leveraging C# and it’s awesome features to developer iOS and Android apps with Xamarin allows for rapid application development, but how can you go even further. In this session we will take a look at tools, libraries, and other resources to increase productivity enabling you to write less code and share more code across all of your apps. We will additionally dive through everything new in Xamarin.Forms and several tools that Forms has built in to help with cross platform development. No matter how you are developing applications with Xamarin you will be sure to find something new and fun to use on a day to day basis.
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Extending, optimizing, and accelerating Xamarin and Xamarin.Forms app development
- 2. Xamarin—A Complete Mobile Solution Design Develop Integrate Learn Xamarin Platform Test Monitor
- 4. Xamarin + Xamarin.Forms With Xamarin.Forms: ! more code-sharing, native controls! Traditional Xamarin approach! Xamarin.Forms!
- 5. Platform Specific Code UI UI UI GPS, Text To Speech, Settings, Battery, Lights, Notifications, etc… GPS, Text To Speech, Settings, Battery, Lights, Notifications, etc… GPS, Text To Speech, Settings, Battery, Lights, Notifications, etc… § What if we didn’t have to write this code? § What if we could access it from shared code?
- 6. Plugins for Xamarin § Access Platform Specific APIs from a Common API § From Anywhere: § Single Project § PCL § Shared Code § github.com/xamarin/plugins
- 8. Xamarin.Android Templates Pack -‐ AppCompat
- 9. Xamarin.Android Templates Pack -‐ NavDrawer
- 10. Xamarin.Android Templates Pack -‐ Menu
- 11. Xamarin.Android Templates Pack -‐ Adapters
- 13. USE THESE • Xamarin Android Player – https://xamarin.com/android-‐player • Material Palette – http://www.materialpalette.com/ • Android Asset Studio – http://romannurik.github.io/AndroidAssetStudio/ • The Android Source Code! – https://github.com/android/platform_frameworks_base
- 14. Tips & Tricks iOS with Mike James
- 16. Messaging Center! § MessagingCenter.Subscribe<T>(object subscriber, string message, Action<T> callback);! § MessagingCenter.Send(T item, string message);! ! !
- 17. Messaging Center -‐ Subscribe
- 18. Messaging Center -‐ Send
- 19. Dependency Services – Built in Service Container • Access Native Features Easily
- 20. Dependency Service -‐ Implementation
- 21. Dependency Service – Register & Access
- 22. Extensibility http://developer.xamarin.com/guides/cross-platform/ xamarin-forms/custom-renderer/
- 23. Extensibility
- 24. Extensibility
- 25. Extensibility
- 26. Extensibility
- 27. Extensibility
- 28. Circle Image in Action http://blog.xamarin.com/extending-xamarin.forms-with-control-plugins/
- 30. Pull To Refresh!
- 31. The API
- 32. ViewModel Code
- 33. The XAML!
- 34. Styles • Now you can group into a Style and share! • Can also be added to App-‐level ResourceDictionary
- 35. Styles • DynamicResource behave like data-‐binding, and support Apple’s Dynamic Type (﴾size)﴿ rendering • Triggers & Behaviors can be added to styles
- 36. Triggers • Visual Elements can react to events and property changes • “conditional style” -‐ CP • Can be added in C# • Types: § Trigger § EventTrigger § DataTrigger § MultiTrigger OR OR
- 37. Triggers • The EventTrigger has Event instead of Property • TriggerAction is written in C# • Remember xmlns:
- 38. Triggers • DataTriggers can bind to other controls (﴾Binding instead of Property)﴿
- 39. Behaviors • Add functionality to visual elements without subclassing
- 40. Behaviors • Add functionality to visual elements without subclassing • Can participate in data-‐ binding
- 41. Basic Navigation! § Root Page:! § NavigationPage – Gives each page an INavigation ! ! § Standard Navigation! § Navigation.PushAsync(page: nextPage);! § Navigation.PopAsync();! § Modal Navigation! § Navigation.PushModalAsync(page: modalPage);! § Navigation.PopModalAsync();! ! !
- 43. Advanced Navigation! § Editing of stack beyond push/pop! § Remove Page! § InsertPageBefore! § NavigationStack[]! § Disable animations! ! !
- 46. Use Xamarin.Insights! It’s Free and Amazing!
- 47. • Real-‐time Monitoring for your Apps • iOS, Android, Mac, and Windows • Xamarin.com/Insights
- 48. • Automatically report any uncaught managed or native exception. • Report your own caught exceptions with simple cross-‐ platform API Report
- 49. • Track any event that occurs in your application. • Even track performance of how long an operation takes. Track
- 50. • Combine event tracking with user identification to resolve issues faster. Identify
- 51. • Simple integrations into popular services for mission critical notifications. Integrate
- 52. Links & References • Plugins for Xamarin – http://www.github.com/xamarin/plugins • Plugins for Xamarin Templates – https://visualstudiogallery.msdn.microsoft.com/ afead421-‐3fbf-‐489a-‐a4e8-‐4a244ecdbb1e • Xamarin.Android Templates – https://visualstudiogallery.msdn.microsoft.com/ bee6442f-‐8f5a-‐4bba-‐8849-‐e380b61e76b0 • Paint Code – http://www.paintcodeapp.com/ • Slides: www.slideshare.net/jamesmontemagno