Windows Phone 7 in Blend and Code

Windows Phone 7in Blend and codeAndreas Hammar & Håkan Reis – Jayway AB

overview

the app & platform

model-view-viewmodel• Inbyggt• MvvmLight• CaliburnMicro• UltraLightMvvm

Building

building an app

the sketch

sketching

viewmodel

coding the viewmodel

the view

creating a view

metrohttp://www.jeff.wilcox.name/2011/03/metro-design-guide-v1/

hooking up the backend

backend

getting up to speed

serializationtime device emulator xml data contract binary

perceived performance• LowProfileImageLoader• DeferredLoadContentControl• LazyListBox

performance counters https://blogs.msdn.com/b/ptorr/archive/2010 /10/30/that-memory-thing-i-promised- you.aspx

bag-of-tricks• Transitions - slow • Serializers – prefer binary• Jpg/png – jpg faster • ContentControl eller• Gif – not out-of-the-box ListBox – välj ListBox• Dll splitting – faster load time • Scroll in grid, why not• Content/resource – prefer stackpanel? content • Opacity vs• Startup – do heavy lifting later Visibility.Collapsed• Alternating templates – not lists in lists

homeworkdesign perfomance

resources• MSDN – Designing applications for Windows Phone 7 – ch2• http://msdn.microsoft.com/en-us/library/gg490770.aspx• MSDN – Performance considerations• http://msdn.microsoft.com/en-us/library/ff967560(v=VS.92).aspx Mobile manifesto• Jaime Rodriguez – Silverlight Firestarter 2010• http://blogs.msdn.com/b/jaimer/archive/2010/12/02/windows- phone-application-performance-at-silverlight-firestarter.aspx

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Windows Phone 7 in Blend and Code

by haqwin on Mar 31, 2011

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