Hiding floating action button based on flag

1. How do you make a floating action button invisible?
2. How to hide floating action button in android?
3. How do I turn off the floating action button on flutter?

How do you make a floating action button invisible?

Use the show and hide methods to animate the visibility of a FloatingActionButton . The show animation grows the widget and fades it in, while the hide animation shrinks the widget and fades it out.

How to hide floating action button in android?

Example# To show and hide a FloatingActionButton with the default animation, just call the methods show() and hide() . It's good practice to keep a FloatingActionButton in the Activity layout instead of putting it in a Fragment, this allows the default animations to work when showing and hiding.

How do I turn off the floating action button on flutter?

To disable button in Flutter, just assign the null value to the onPressed parameter of the Button.