Scroll-Responsive Animated Header Bar with Expo Router

This tutorial demonstrates how to create a reusable, animated header component for Expo Router apps, providing a dynamic and visually appealing user interface. The component, named AnimatedHeaderScreen, allows for customizable elements like left and right icons and dynamically changes background color and border width based on scroll position. The component uses Animated.Value to track scroll position and Animated.interpolate to map scroll position to various style properties, enabling smooth transitions. Animated.View is used to apply these animated styles to header elements, creating a visually engaging experience. The tutorial details how to handle scroll events and how to use the component with optional icons. It also provides a usage example showcasing how to integrate the AnimatedHeaderScreen into a screen component. The component offers a robust foundation for creating interactive and visually appealing headers in Expo Router applications, allowing for customization and expansion to suit specific app needs.