Flutter AnimatedOpacity Tutorial with Glassmorphism UI | Smooth Fade Animation Example
Learn how to use AnimatedOpacity in Flutter with a beautiful glassmorphism (frosted glass) UI design. This tutorial demonstrates how to create a smooth fade-in and fade-out animation using AnimatedOpacity, BackdropFilter blur effects, gradients, and a modern button. Perfect for beginners and Flutter UI designers wanting to add animation and stunning visuals to their apps. Includes full source code, opacity toggle function, and best practices for animation in Flutter.