MAUI - Advanced Static Custom Control

Introduction

When building complex .NET MAUI applications, you often need highly specialized UI components that go beyond basic ContentView implementations. Advanced custom controls with static content—predefined layouts that don't change dynamically—allow you to create polished, performant, and reusable UI elements with fine-tuned behavior.

Why Use Advanced Custom Controls?

Performance Optimization – By predefining static content, you reduce runtime layout calculations and binding overhead.
Consistent Behavior – Encapsulate complex gestures, animations, and rendering logic in a single control.
Design System Compliance – Enforce strict styling and theming without relying on dynamic bindings.
Low-Overhead Rendering – Avoid unnecessary BindingContext propagation for elements that don’t need it.

Key Features of Static Advanced Controls

Predefined Visual Structure – Fixed XAML layouts optimized for performance.
Custom Renderers (if needed) – Platform-specific optimizations via handlers.
Optimized Event Handling – Dedicated gesture recognizers and input logic.
Minimal Bindings – Reduced runtime overhead by avoiding excessive MVVM bindings.

When to Use Static Custom Controls?

✔ Highly reusable UI components (e.g., a complex dashboard card, a stylized button with animations)
✔ Performance-critical views (e.g., list items, repeated elements in a CollectionView)
✔ Platform-specific UI (e.g., a camera overlay, a custom-drawn graph)

Designing Control UI

Desiging Control Logic

Características Avanzadas Incluidas

Personalización Total:

Título, descripción, imagen, color de fondo y botón configurable.

Interactividad:

Efecto visual al pulsar (Pressed state) y comando asociado al botón.

Flexibilidad:

Controla la visibilidad de la imagen (HasImage) y del botón (ShowButton).

Optimización:

Uso de BindableProperty para rendimiento y enlace de datos.