Resize Radio Voucher For Free

The easiest way to achieve this is by wrapping the Radio without any padding, in a Container and then setting your custom Margin and Padding as(if) required. You should use the RadioListTile widget. It has a property called VisualDensity with which you can define the compactness of the RadioTile.

Unfortunately you can't change the size of radio buttons.

Set to true if this radio button is allowed to be returned to an indeterminate state by selecting it again when selected. To indicate returning to an indeterminate state, onChanged will be called with null. If true, onChanged can be called with value when selected while groupValue !=

The different RadioButton size are default and small. To reduce the size of the default RadioButton to small, set the cssClass property to e-small .

To change the radio button unselected color globally: Locate the MaterialApp widget. Inside the MaterialApp, add the theme parameter with ThemeData class assigned. Inside the ThemeData add the unselectedWidgetColor parameter and give it a color. Run the app.

Transform. scale will increase the scale size of radio. Here ?groupValue? means current selected value , ?value? means actual value of radio and ?onChanged? will change the value when we press on radio button, Let's use this function somewhere.

The groupValue should match the value of the selected radio button. The type T represents the data type of the value. onChanged : A callback function when the radio button is selected. It takes the newly selected value as its parameter, allowing us to handle the changes ingly.

The input element with radio type contains in the html form. The form input element selects a particular button manually. If you want to change the radio button value using the event function, then use the event and function. When you can select a radio button, the change event is triggered.