Flutter RaisedButton error

When the button is pressed (or whenever you want to disable the button) use setState(() => isButtonDisabled = true) to flip the conditional variable. Flutter will call the build() method again with the new state and the button will be rendered with a null press handler and be disabled.13 Oca 2021

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. In order to make these widgets clickable, a function needs to be assigned to the onPressed property.11 Kas 2020

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. In order to make these widgets clickable, a function needs to be assigned to the onPressed property.11 Kas 2020

When the button is pressed (or whenever you want to disable the button) use setState(() => isButtonDisabled = true) to flip the conditional variable. Flutter will call the build() method again with the new state and the button will be rendered with a null press handler and be disabled.13 Oca 2021