Embed Size (px)
Citation preview
HowtoDevelopCross-platformappswith
fordifferentkindofcomplexscenariosandanyabsurdclient’sdemand
tryingtostayfocus,avoidinglosingyourmind,
meanwhileyourgirlfriendistalkingatyouandonceagainyoudonotpayattentiontoher.
Anddon’tworry,if you’re reading this,at theend,you’re gonnabefine!
HowtoDevelopCross-platformappswith
HowtoDevelopCross-platformappswith
Chisono?
[a-zA-Z]
Cosaè Xamarin?
? ? ?Macomefunziona Xamarin?
SiloApproach(oproprietaryapproach)
iOS WindowsAndroid
Objective-CXcode
C#VisualStudio
JavaAndroidStudio
Nosharedcode• Manylanguages&developmentenvironments• Multipleteams
HybridHTML:WriteOnce,RunAnywhere
AppGenerator
JavascriptHTML+CSS
LimitednativeAPIaccess• Slowperformance• Pooruserexperience
Unesempio:Cordova
Approccio diXamarin (native)
SharedC#codebase• 100%nativeAPIaccess • Highperformance
iOSC#UI WindowsC#UIAndroidC#UI
SharedC#Mobile
Xamarin +Xamarin.Forms (super-nativeJ)
• TraditionalXamarinApproach • WithXamarin.Forms:Morecode-sharing,allnative
iOSC#UI WindowsC#UIAndroidC#UI
SharedC#Backend
SharedUICode
SharedC#Backend
Macomeè nata l’architettura diXamarin?
.NETsu Linux,lanascita diMono
Monoformobile
Bringing.NETtoAndroid
Bringing.NETtoAndroid
Bringing.NETtoiOS
Bringing.NETtoiOS
Bringing.NETtoiOS
WindowsAPIs
Microsoft.Phone Microsoft.Networking Windows.Storage Windows.Foundation Microsoft.Devices
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
iOS– 100%APICoverage
MapKit UIKit iBeacon CoreGraphics CoreMotion
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
Android– 100%APICoverage
Text-to-speech ActionBar PrintingFramework Renderscript NFC
System.Data System.Windows System.Numerics System.Core System.ServiceModel
System.Net System System.IO System.Linq System.Xml
Tutto ciò che puoi fareinObjective-C,Swift,oJavapuoi farlo conC#eXamarin.
Strumenti disviluppo
Xamarin isOpenSource!– open.xamarin.com
OpenSource
• Xamarin.iOS• Xamarin.Mac• Xamarin.Android• Xamarin.Forms• Bindings&Plugins
• GettingStarted• ContributionGuides
XamarinisincludedinVisualStudio!
VisualStudioIntegration
Xamarin Studio
VisualStudioforMac
VisualStudioiOSSimulatorRemoting
• Multi-Touch• PressureSensitive• Rotate,screenshots,locationchanges• Tutto inVS
iOSDesigner
AndroidDesigner
iOSBuildProcess
IDE&OS
Architettura diuna applicazione Xamarin
Consigli architetturali
CoreLibrary
CoreLibrary– SharedProject
CoreLibrary– SharedProject
CoreLibrary– PortableClassLibraries
CoreLibrary– PortableClassLibraries
CoreLibrary- .NETStandardLibraries
M-V-VMPattern
M-V-VMinXamarin
M-V-VMinXamarin
Riferimenti DevDay
Xamarin Forms
XAML
Layoutcontainers
Funzionalità Cross-Platform
CustomRenderers
Lapercentuale diadozione (espesso diriuscita)inunprogetto diXamarin.Forms è inversamente
proporzionale alnumero dicustomrenderersusati!tratto dallibro deGli assurdi teoremi diTuribbio
https://www.xamarin.com/
https://developer.xamarin.com/guides/xamarin-forms/creating-mobile-apps-xamarin-forms/
