How do I disable Highbutton?

Creating another function named as disableElevatedButton(). In this function we would again use the setState() method to change the State value to False . It will make the Elevated button disabled.

You can make button disable by setting onPressed property null . If you set onPressed to null Flutter will added disabled related characteristic to button automatically. I have created a switch with a button and when you turn on switch the value of onPressed set to null.

The RaisedButton / FlatButton / TextButton widget(s) can be disabled by assigning onPressed property to null . They can be disabled when onPressed property is not used at all.

How to Remove Default Padding From Widgets In Flutter?