Palestra ministrada por Ricardo Dorta

1. Reaproveitando código
entre plataformas com
Xamarin e MVVM Cross
How do we think
Ricardo Dorta
http://ricardodorta.net.br
@dortaway

2. Ricardo Dorta
http://ricardodorta.net.br
@dortaway
How do we think • Systems Expert in GFT Brazil
• Microsoft Most Valuable Professional (MVP) C#
• Microsoft Certified Professional
• Microsoft Certified Application Developer
• Microsoft Certified Solution Developer
• Microsoft Certified Technology Specialist - Silverlight
• São Paulino
• Viciado em games
• Nerd e Bonitão
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.

3. Cenário Comum

4. Xamarin...
• Native User Interface
• Native Performance
• Shared code across platforms
• C# Rocks!!!!
• Full API Coveragehink
How do we think
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
C# with Xamarin
http://ricardodorta.net.br
@dortaway
Java

5. E agora Mister M?
• A mágica é escrever apenas 1
código que funcione em todas
as plataformas
• Mas como isso é possível?
How do we think
http://ricardodorta.net.br
@dortaway

6. Mister M says: the magic is .... PCL!!!
• Portable Class Library
• 1 Assembly
• Várias plataformas
• Xamarin também!!!
How do we think
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
•Xamarin.Android
•Xamarin.iOS

7. MVVM (Model-View-ViewModel)
• Criado em 2005 por John Grossman –
Arquiteto do WPF e do Silverlight
• Baseado no padrão MVC (Model-View-
Controller)
• Visa separação de UI(User Interface –
VIEW), das camadas de negócio.
• Facilita a introdução de testes
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
unitários
• Model : Regras de negócio
• View : UI (User Interface)
• View model: Model da View, contém regras
de interface e propriedades que são
utilizadas pela interface para definir
regras de layout.
• w do we think
http://ricardodorta.net.br
@dortaway

8. • Criado por Stuart Lodge (@slodge)
• Open-Source:
(https://github.com/MvvmCross/MvvmCross)
• Extensível via plug-ins
• Mecanismo de injeção de dependência
embutido
• Vários plug-ins já desenvolvidos
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
(Messages, GPS, Camera ....)
• Traz o modelo de binding para Android e
IOS
• Possibilidade de criação de bindings
customizáveis (controles próprios)
• w do we think
MVVM Cross
http://ricardodorta.net.br
@dortaway

9. MVVM Cross
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
http://ricardodorta.net.br
@dortaway

10. Acorda que chegou a hora do código!!!
Momento…
Awwnnnn
http://ricardodorta.net.br
@dortaway

11. Nuff said!!!!
Demo – MVVM Cross –
Windows Phone, Android
e Windows Store
http://ricardodorta.net.br
@dortaway

12. Dúvidas?
Brincadeira... Pergunta aí!!! http://ricardodorta.net.br
@dortaway

13. How do we think
Obrigado!
Our objective is to provide innovation
to society.
We work to shape trends and ideas using
technology.
http://ricardodorta.net.br
@dortaway