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Helping the Lions Roar
 

Helping the Lions Roar

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Presentation at MvvmCross London by Sequence Agency

Presentation at MvvmCross London by Sequence Agency

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    Helping the Lions Roar Helping the Lions Roar Presentation Transcript

    • © Sequence 2013www.sequence.co.ukHelping the Lions Roarwith Microsoft Win8 & WP8February 2013Jon Stonemanjon.stoneman@sequence.co.ukSteve Dunfordstephen.dunford@sequence.co.uk
    • IntroFor the next 17mins- ish we want to discuss the mobile market today and how the mobileuser is changing. We will also touch upon the opportunity that Windows 8 & WindowsPhone 8 brings to this key channel and your brands. However our main focus will be toshowcase the upcoming release of the Official application for the British & Irish Lions.so lets begin…. First up
    • 05 The Application
    • The briefCreate a multi-platform application that works on desktop,tablet and mobile.Excite fans with a slick application experience andexclusivecontent centered around this year’s tour.Integrate with 3rd party APIs to provide real timeinformation.
    • TV goes social
    • Second screen
    • SolutionArchitecture
    • SolutionArchitecture
    • SolutionArchitecture• App content & structurecontrolled via CMS• Apps fully functional offline• Cache pre-populated withcontent/images fromAzurewhen building apps
    • Lions app core
    • Lions app core
    • Lions app core• Uses the IoC built in to Mvx to implement a SOA(Service OrientatedArchitecture) approach• Allows for components to be swapped in / out easily– Fake data source– Different caching strategies– Unit Testing / Mocking
    • Customizing MvvmCross• Overriding Mvx components to do non “out-of-the-box” stuff• Adding custom cross-platform services
    • Customizing MvvmCross – Overriding Components
    • Customizing MvvmCross – Overriding Components• App.cs (our MvxApplication in our PCL)• This approach gets really messy really quickly…//Inject our own image caching into MvxCirrious.MvvmCross.Plugins.File.PluginLoader.Instance.EnsureLoaded();var imageFileCache = new LionsImageCacheService(………);this.RegisterServiceInstance<IMvxFileDownloadCache>(imageFileCache);
    • Customizing MvvmCross – Overriding Components• Plugin Managerpublic class DroidPluginManager : MvxFileBasedPluginManager{public DroidPluginManager(): base("Droid"){}protected override Cirrious.MvvmCross.Interfaces.Plugins.IMvxPlugin LoadPlugin(Type toLoad){if (toLoad == typeof (Cirrious.MvvmCross.Plugins.DownloadCache.PluginLoader)) {return new LionsCachePlugin();}return base.LoadPlugin(toLoad);}public class LionsImagePlugin : IMvxPlugin{public void Load(){//Do exactly what the Mvx plugin does, except load our custom service instead}}}
    • Customizing MvvmCross – Cross-platform services• Providing images from the app package – a platformspecific task• In the core:var packageProv = this.GetService<IPackagedImageProvider>();var fileName = packageProv.GetPackagedImageFileName(httpSource);if (!String.IsNullOrEmpty(fileName)){packageProv.CopyPackagedImage(fileName, (succeeded) =>{…});}
    • Customizing MvvmCross – Cross-platform services• In Windows 8 Setup:protected override void InitializeFirstChance(){this.RegisterServiceInstance<IPackagedImageProvider>(new Win8PackagedImageProvider());base.InitializeFirstChance();}
    • Customizing MvvmCross – Manual Navigation• Using some Mvx services to navigate when we’re notin a view modelvar myParams = new { nodeId }.ToSimplePropertyDictionary();var req = new MvxShowViewModelRequest(viewModelType, myParams, true, MvxRequestedBy.Bookmark);this.GetService<IMvxViewDispatcherProvider>().Dispatcher.RequestNavigate(req);
    • Challenges
    • Multi-platform challenges• Cross training• Design / UX consistency• Content• ViewModel design• PCLs• MvvmCross
    • Windows Phone• Emulator requires specific hardware• Android emulator animosity• Supporting WP7 and WP8
    • Windows 8• ObservableCollections
    • iOS challenges• Interface Builder• PCL support• Slow store publishing
    • Android• Fragmentation• Windows Phone emulator animosity• Slow/unreliable emulator• Memory leaks (InPurgeable)
    • Android (continued)• Xamarin.Android– Slow debug cycle– Crashes & hangs– Debugging PCLs– Layout IntelliSense– No layout validation on PC– VS unhelpful error reporting for layouts/resources
    • Kindle• It’s just Android!
    • Thank you.Owen Davies/ Paul Thomas+44 (0) 7976 095 519 / +44 (0) 7970 283 466owen.davies@sequence.co.uk /paul.thomas@sequence.co.ukFitzalan House, Fitzalan Road, Cardiff, CF24 0ELClerkenwell Workshops, 27-31 Clerkenwell Close, London, EC1R 0ATenquiries@sequence.co.ukwww.sequence.co.uk© Sequence 2012