Flutter Themes, Taming The UnThemed

Everyone knows the trick of using the Inherited Widget Theme to theme an unthemed Flutter component, such as:

But that will only allow a color change. There is a smarter way to do it so that you can change shapes.

Shaped Drop-Downs

Instead, we can use containers:

That will give me a light blue colored drop-down with rounded colors.

Oh, but there is more! Let’s see some more BoxDecoration.

BoxDecoration Shapes

We can supply a shape in BoxDecoration: