Shape 2013 developing multi targeting windows store and windows phone apps
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This document provides an agenda for a presentation on developing multi-targeting Windows 8 and Windows Phone 8 apps. The agenda includes discussing the importance of multi-targeting, an ABC on multi-targeting, modeling apps using MVVM, and creating a sample multi-targeting app to demonstrate sharing code across platforms using portable class libraries, applying MVVM, and creating platform-specific views. The presentation aims to provide best practices for multi-targeting apps across Windows 8 and Windows Phone 8 through code sharing and proper design patterns like MVVM.
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Shape 2013 developing multi targeting windows store and windows phone apps
- 1. Developing Multi Targetting Win8 & WP8 Apps. Jose Luis Latorre Senior Developer, Accenture UI Lead Developer, Roche Diagnostics joslat@gmail.com - @joslat http://silverlightguy.com
- 2. The importance of Multi Targeting 5’ ABC of Multi Targeting 10’ MVVM 5’ Agenda Creating our Multi Targeting App 25’ Summarizing + Q & A 5’
- 3. The Importance of Multi Targeting It is important. that’s why you are here, right?
- 4. Windows Phone 8 Windows Phone 7.x Direct3D, XAudi Windows Phone .NET o2, MF, WASAPI, Runtime WIN32, COM C#, VB C#, VB, C++ C++
- 5. Windows Phone 8 Developer Platform XAML Apps Direct3D Apps In-App XAML Maps Geolocation Sensors Direct3D Purchase HTML XML Threading Touch Speech XAudio2 Your apps Phone Features Push Camera Video Proximity Media Foundation Your way Calendar Wallet Contacts Core Types VoIP STL Multitasking Live Tiles Memory Async Enterprise CRT C# and VB C#, VB, and C++ C++ File system, Networking, Graphics, Media Core Operating System
- 6. Networking Proximity In-App Purchase Sensors 2,800 Location 11,000 shared File System members members Core app model Threading
- 8. ABC of Multi Targeting Let’s see the main points on how to do it right, the first time.
- 9. • Share code across platforms using Portable Class Libraries • Apply MVVM to wire cross-platform apps • Create portable abstractions for non-portable functionality
- 10. • Link Source code files between platforms. • Create platform specific Views • Share UI with user controls • Always Decouple! Create Clean & SOLID Code.
- 13. One Source One Project One Binary Multiple Platforms!
- 14. Windows 8 Windows Phone 8
- 16. Windows 8 Windows Phone 8
- 17. Windows 8 #if NETFX_CORE Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { #endif Windows Phone 8 #if WINDOWS_PHONE Deployment.Current.Dispatcher.BeginInvoke(() => { #endif
- 18. public class ServiceLocator { public static IFileStorage FileStorage { get; set; } public static IPhotoChooser PhotoChooser { get; set; } }
- 19. MVVM It deserves its own section on this XAML world.
- 20. User Interface App Logic General Model-View-ViewModel (MVVM)
- 23. Creating our Multi Targeting App We will see how to create a Windows Store & Windows Phone App that share code and components.
- 24. • Usage of PCL to share code • Portable.MvvmLightLibs & Portable.CommonService Locator • MVVM done right • Linking code
- 25. • Usage of the Repository pattern • Creation of our first ViewModel • OData Client Tools for Windows Store & Windows Phone Apps (http://msdn.microsoft.com/en-us/jj658961)
- 26. Do not trust the web…
- 27. Summary.. So, what have we seen?
- 28. Applying best practices is a must Using proper design patterns too Sharing Code through PCL & Linking MVVM is fundamental
- 29. Jose Luis Latorre Email: joslat@gmail.com Twitter: @joslat Blog: http://Silverlightguy.com
Editor's Notes
- Itisimportant and youknowwhy!YouhavetwomainreasonsYouknowhowtechnologyevolvesthesedays and youwantto be ready!You do notwantto be closedintoonlyonedevice and technology, right?
- Clean code: Easy to understand. Easy to modify. Easy to test. Works correctlySOLID Single responsibility, Open-closed principle, Liskov substitution, Interface segregation and Dependency inversionSTUPIDSingletonTight couplingUntestabilityPremature OptimizationIndescriptive NamingDuplication
- The thread-handling dispatchers are different on Windows Phone and Windows 8. In windows 8, we use an element of the UI Core while in Windows Phone, we have a dispatcher that has been assigned to our app deployment. So, if you’re anything like me, you say “well it was worth a shot, time to give up”.
- Means Decouples
- Model – Not UI relatedView Model – Encapsulates hat to display and flow of interactionView – Defines dow to display information from the View ModelHow does this relate to portable libraries? View – needs to be different per platform. View Model and Model can be the same between platforms.So this pattern is ideally suited for creating cross-platform apps, because it encourages a clean separation between the parts of your code that should be shared and those that are platform specific
- What besides the UI wasn’t portable? File system, interaction with the OS.The View Models and Models will need that functionality. So…
- Herewewill créatefirst a base multitargetingappfor wp8 and Windows store apps, and wire in allthenecesarytoworkwith MVVM in a properway.NextwewillimplementanOdataserviceaccestogetherwiththeRepositorypattern, togetherwiththecorresponding ViewModel and Views.
- UpdateNuGetTolatest versiónInstall-PackagePortable.MvvmLightLibs
- Therepositoryseparates data consumptionfromhowthe data getspersisted andloaded.OdataClient tolos extendtheaddservicereferencewithclientsideodatasupportfor Windows store and Windows pone apps.