Flutter Overlays: Elevate Your UI Game 🚀

From tooltips to dialog boxes: Learn everything about implementing dynamic overlays in Flutter for a superior UI experience. 🎭

🤔 What is Overlay Widget?

An Overlay is a special kind of widget in Flutter that allows you to display widgets on top of other widgets. It is used for displaying floating widgets that can be dynamically inserted or removed from the overlay stack, like a dialog, a tooltip, a dropdown menu, or any custom overlay you wish to design.

The Overlay is a Stack of OverlayEntry objects, where each OverlayEntry represents an individual widget to display. The key feature of an Overlay is that it floats above the main widget tree, meaning that the overlay widgets can overlay (hence the name) the regular UI.

🤹‍♂️ When to use it?

The Overlay widget is particularly useful when you need to display something above the regular UI elements, and you want this display to be independent of the main widget tree’s layout.

Common use cases include:

• Showing tooltips or dropdown menus that should appear above other content.
• Creating custom pop-up dialogs or modal windows.
• Implementing features like snackbars or floating action buttons that…