Vuelve tu aplicación de Xamarin.Forms súper rápida
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The document discusses the layout lifecycle in Xamarin Forms, which consists of an invalidation loop and a layout loop. The invalidation loop checks if a view needs to be remeasured or relaid out, and notifies its parent if so. The layout loop handles laying out child views by invoking LayoutChildren. It also describes how native platforms like iOS and Android render Xamarin Forms views using native UI elements like UILabel and TextView. Custom renderers allow mapping Forms controls to native platform controls or replacing the default rendering.
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Web trends to watch in 2015
Like this slidedeck? I write books too! Please check out my newest book Face2face - more info here - http://www.davidleeking.com/face2face
Want to know what trends web designers are thinking about for 2015? Here you go! This presentation has a list of 10 hot web design trends that designers should consider for 2015.
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- 9. Layout Lifecycle: Invalidation Loop Has Parent? InvalidateMeasure Called Call InvalidateMeasure on Parent Queue Delay Layout Yes No 1 2 3 4
- 10. Has Parent? InvalidateMeasure Called Call InvalidateMeasure on Parent Queue Delay Layout Yes No 1 2 3 4 Wait for event callback to happen and trigger the layout mechanism 5 Has Children? LayoutChildren Invoked Layout called 6 7 8 Yes No Layout Cycle Completed 9 Layout Lifecycle: Layout Loop
- 11. Grid StackLayout ContentView Label Button WebView Grid Label Button Image ScrollView Image Panel Panel Panel LabelRenderer TextBlock ButtonRenderer Button WebViewRenderer WebView Panel LabelRenderer Label ButtonRenderer Button ImageRenderer Image ScrollViewRenderer ImageRenderer Image Forms Platform 12 19
- 15. Grid StackLayout ContentView Label Button WebView Grid Label Button Image ScrollView Image Panel LabelRenderer ButtonRenderer WebViewRenderer WebView LabelRenderer ButtonRenderer ImageRenderer ScrollViewRenderer ImageRenderer Forms Platform+Compression+Fast Renderers 12 10
- 18. Native performance Xamarin.iOS Xamarin.Android ARM BINARY Runs natively .APPAOT .NET C# Bindings .APKCompile and Link .NET C# Bindings IL + JIT Runs natively
- 19. Native UI ContentPage Label Picker Android Activity / Fragment TextView AlertDialog + LinearLayout + EditText + NumberPicker iOS UIViewController UILabel UITextField + UIPickerView + UIToolbar + UIBarButtonItem UWP Page TextBlock ComboBox developer.xamarin.com/guides/xamarin-forms/application-fundamentals/custom-renderer/renderers/
- 20. Effect Custom Renderer From standard experiences to total control
- 22. Jesús Angulo Microsoft MVP, Xamarin jesus@somostechies.com @jesulink2514 Gracias ¿Preguntas?