interfaces nativas cross-platform con xamarin.forms
TRANSCRIPT
PowerPoint Presentation
#XamarinDevDays
Visual Studio Technologies & Windows Platform Development MVP
Software Developer Plain ConceptsJavier Surez Ruiz
Blog: http://geeks.ms/blogs/jsuarezEmail: [email protected]: @jsuarezruiz
Javier Surez Ruiz@jsuarezruizInterfaces nativas Cross-Platform con Xamarin.Forms
Crear UIs nativas para iOS, Android, y Windows Desde un mismo archivo comn, compartido C#.Conoce Xamarin.Forms
Xamarin + Xamarin.FormsEnfoque tradicional de XamarinCon Xamarin.Forms:Ms cdigo compartido, todo nativo iOS C# UI Windows C# UIAndroid C# UI
Shared C# Backend
Shared UI CodeShared C# Backend
Qu se incluye? 40+ pginas, layouts, y controles (code behind o XAML) Two-way data binding Mavegacin API de animaciones Dependency Service Messaging Center
Shared C# Backend
Shared UI Code
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LayoutsPginasStackAbsoluteRelativeGridContentViewScrollViewFrame
ContentMasterDetailNavigationTabbedCarousel
Inside of a page are layoutsA lot of options from something simple like a stack panel to complex and powerful grids
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ActivityIndicatorBoxViewButtonDatePickerEditorEntryImageLabelListViewMapOpenGLViewPickerProgressBarSearchBarSliderStepperTableViewTimePickerWebViewEntryCellImageCellSwitchCellTextCellViewCellControles
You have more than 40 controls, layouts, and pages to mix and match from.These are all of the controls you have out of the box, you can of course create your own.What is unique is you get the native control and have access to it.Consider an Entry FieldOn iOS it is mapped to UITextFieldAndroid it is EditTextWindows Phoen it is a TextBox8
El ecosistema Xamarin.Forms
WindowsXamarin.FormsStackPanelStackLayoutTextBoxEntryListBoxListViewCheckBoxSwitchProgressBarActivityIndicatorGridGridLabelLabelButtonButtonImageImageDate/TimePickerDate/TimePicker
Comparativa de controles
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WindowsXamarin.FormsDataContextBindingContext{Binding Property}{Binding Property}ItemsSourceItemsSourceItemTemplateItemTemplateDataTemplateDataTemplate
Comparativa de enlace a datos
11
Personalizacin de la plataforma
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UI Nativa desde cdigo compartido
Xamarin.Forms
Demo
Qu hay nuevo?
Xamarin.Forms 2.0!
Xamarin.Formses Open Source!open.xamarin.com
Apple has a developer preview where Xamarin has alphas ready. Google does not offer this. Android versions are usually 4 to 8 weeks out for a stable release, but alphas and betas are usually earlier. Xamarin realizes how important having iOS ready because within 24 hours a large portion of iOS users upgradeAndroid on the other hand is much different. After 4 months on the market Android 4.4 only had 1% adoption
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RendimientoRendimientoRendimiento
ListView CachingStrategy
Mejora el rendimiendo haciendo scroll El comportamiento antiguo es el usado por defecto
Compilacin XAMLXAML
RuntimeCompile-timeParsed and inflatedParsed & turned into IL
XAMLC
Beneficios Carga ms rapida Tamao de la App menor Ver errores XAML en tiempo de compilacin
Rendimiento
Demo
Diseo & Controles
Data Templates
Data Templates
Demo
CarouselViewCarouselItemTemplate & DataTemplatesAltamente personalizable & Virtualizado
CarouselView
Demo
Efectos I Custom renderer lite Cambia propiedades en el control nativo Opcional stringly-typed
X No mtodos o eventosX No reemplaza el control
A unique aspect of Xamarin.Forms is an abstraction over the user interface, but what about the platform specific functionality that makes these devices so special?
That is where plugins for Xamarin come in.27
Efectos IIentry.Effects.Add (Effect.Resolve("Xamarin.BorderEffect"));
A unique aspect of Xamarin.Forms is an abstraction over the user interface, but what about the platform specific functionality that makes these devices so special?
That is where plugins for Xamarin come in.28
Efectos
Demo
Y mucho ms!
XAML Previewer
Xamarin.Forms Previewer
Demo
Navegacin por URL
Connect Web to MobileSimple cross platform API over:CoreSpotlightNSUserActivityGoogle App Indexing
Navegacin por URL
Demo
Themes
https://developer.xamarin.com/guides/xamarin-forms/themes/
DataPages
https://developer.xamarin.com/guides/xamarin-forms/datapages/
DataPages
Demo
Native Embedding
Easily embed any native control into a Xamarin.Forms layout.
Native Embedding
Just add it as child to a layout.Exposed as an Extension Method.
Native Embedding
Demo
10 Minutos de descanso
JavierSurez [email protected]://javiersuarezruiz.wordpress.com@jsuarezruiz
2014 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.9/11/201641