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Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
Preparing for Windows 8 and Metro
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Preparing for Windows 8 and Metro

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At Code Mastery Kevin E. Ford, Principal Consultant at Magenic talks Overview of Windows 8, Metro and WinRT …

At Code Mastery Kevin E. Ford, Principal Consultant at Magenic talks Overview of Windows 8, Metro and WinRT

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  • 1. Preparing for Windows 8 andMetroKevin E. FordPrincipal ConsultantEmail: kevinf@magenic.com
  • 2. Agenda» Overview of Windows 8, Metro and WinRT» Connecting to external services» The importance of being asynchronous» I heard something about the UX changing» Dude, where’s my classes» Exiting the application» What are webmd files and why do I care 2
  • 3. Overview of Windows 8, Metro and WinRT» Windows 8, next version with three flavors » Windows 8 » Windows 8 Pro » Windows 8 RT (Atom)» Metro – New style of application design for Windows 8 ONLY development» WinRT – Windows Runtime library for accessing system services and resources » Win32 still supported in Windows 8» What does this mean for me?» http://magenic.com/Portfolio/WhitePaperWindows8DevelopmentPlatfor m.aspx 3
  • 4. Connecting to External Web Services» Work similar to it did previously» Can create WinRT compatible types» Currently no support for wsHTTPBinding » Use BasicHTTPBinding» All service references will be created with asynchronous definitions 4
  • 5. The Importance of Being Asynchronous» “Fast and Fluid” » 50 MS» How to make a method asynchronous? » async keyword » All asynchronous methods must return void, Task or Task<T> » Asynchronous methods should be named with the suffix Async» What is await and do you actually wait? » Resumes on calling context» How do I call a synchronous method asynchronously? » await Task.Run(() => someObject.SomeSyncMethod()); 5
  • 6. I Heard Something About the UX Changing» Metro » Think bauhaus » No Chrome! » Full Screen » Swipe Menus » No Scroll bars, only scroll from left to right » Tough Ready » Dynamic tiles galore » FAST AND FLUID 6
  • 7. Dude, Where’s My Classes?» New Windows Namespace» What is in the new namespace? » Internal windows services » XAML » Windows runtime types 7
  • 8. Exiting the Application» Well you don’t, at least how you did before » If you include specific close logic it will not pass market certification» Suspending » Use Application Data » Needs to happen within 5 seconds » May be terminated later without warning!» Timing issues between suspending and resuming 8
  • 9. What are webmd Files and Why do I Care» Create libraries that can be used by » .Net Metro applications » C++ Meto applications » HTML5/JS Metro applications» Restrictions for public types/members » Can only expose windows runtime types » Structures can only contain public fields » Inheritance only on XAML controls, all else must be sealed » Only support system provided generic types 9
  • 10. Questions…. 10

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