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Can we do this?
Portable Class
LibrariesXamarin MvvmCross
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Portable Class Libraries
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Profile 104• WPF – 4.5+• Windows Store (WinRT)• Windows Phone – 7.1+• Xamarin.Android• Xamarin.iOS
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Xamarin
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Xamarin for Android/iOS
Business Logic
UI Logic
WP iOS Droid Win8
Data Access
Business Logic
Service Interface
Service Consumption Local Data/Services
Xamarin
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Xamarin for Android/iOS
Code Completion for Native
APIs
Visual Studio Integration
Advanced Debugging
Support
Point and click UI design
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Xamarin for Android/iOS
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MvvmCross
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View
ViewM
odel
Model
get/set Propertiescall Commands
notify changessome messaging
Whatever C# you like …
… messages work well!
ViewView
ViewM
odelView
Model
ModelM
odel
Cross PlatformPlatform Specific
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Separation of Concerns
Designable (Blend)
More structured
code
TestableDatabinding
Code reuse
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Data Binding
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INotifyPropertyChanged
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Typical ViewModel Property
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One Way BindingPersonViewModel
FirstName
LastName
DateOfBirth
First Name
Jon
Last Name
Doe
Date of birth
12/07/1989
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UI Syntax
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Two Way BindingPersonViewModel
FirstName
LastName
DateOfBirth
First Name
Jon
Last Name
Doe
Date of birth
12/07/1989
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UI Syntax
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Interface Driven Development
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MyViewModel
Needs Location
Needs SQL
Needs Calculator
The Container
My TaxCalculator
Windows Phone Location
Inversion of Construction (Inversion of Control)
Windows Phone SQL
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MyViewModel
Needs Location
Needs SQL
Needs Calculator
The Container
My TaxCalculator
iOS Location
Inversion of Construction (Inversion of Control)
iOS SQL
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Mvx.Register<T>
The Container
(Mvx)
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Automatic Registration
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Mvx.Resolve<T>
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Mvx Construction• Constructor resolution
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Nuget packages
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TipCalc Demo
