How do I disable a Button in Flutter?

Question

I\'m just starting to get the hang of Flutter, but I\'m having trouble figuring out how to set the enabled state of a button.

From the docs, it says to set onP

Answer 1

Enable and Disable functionality is same for most of the widgets.

Ex, button , switch, checkbox etc.

Just set the onPressed property as shown below

onPressed : null returns Disabled widget

onPressed : (){} or onPressed : _functionName returns Enabled widget