7 - How to use radio button in flutter Hindi - Urdu tutorial

Flutter Radio Button A radio button is also known as the options button which holds the Boolean value. It allows the user to choose only one option from a predefined set of options. This feature makes it different from a checkbox where we can select more than one option and the unselected state to be restored. We can arrange the radio button in a group of two or more and displayed on the screen as circular holes with white space (for unselected) or a dot (for selected). We can also provide a label for each corresponding radio button describing the choice that the radio button represents. A radio button can be selected by clicking the mouse on the circular hole or using a keyboard shortcut.

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