Center Explained | Flutter for Web Developers

What’s Center?

The Center class is a widget in Flutter that centers its child within itself. It can expand to fill available space or match the size of its child based on the constraints provided. Key properties include widthFactor and heightFactor, which allow for scaling the dimensions of the Center widget relative to its child.

Check the official documentation for more.

Center explained for Web Developers

From a web developer’s perspective, the Center class can be compared to layout components in frameworks like React, Angular, or Vue. Just as these frameworks provide ways to align and position elements within a container, the Center widget in Flutter serves a similar purpose by ensuring that its child widget is centered. Unlike web APIs that might require CSS for alignment, the Center widget handles this directly within the widget tree.

Example Code

Here is an example of how to use Center:

Center(
  child: Text('Hello, World!'),
  widthFactor: 2.0,
  heightFactor: 2.0,
);

Center Remarks

In conclusion, the Center class is a straightforward yet powerful tool for Flutter developers, allowing for easy alignment and scaling of child widgets, similar to layout techniques in web development.