RadioButton in android kotlin | Radio Button Demo Android Kotlin | How to use Radio Button in Kotlin

This video demonstrates step by step implementation of RadioButton in Android Kotlin. In this app 4 radiobutton is taken and whenever user click on any option the message is reflects in textview. This video also demonstrates that user can deselect the option selected in radio button.

Android Radio Button is bi-state button which can either be checked or unchecked. Also, it’s working is same as Checkbox except that radio button can not allow to be unchecked once it was selected. Generally, we use RadioButton controls to allow users to select one option from multiple options. By default, the RadioButton in OFF(Unchecked) state but we can change the default state of RadioButton by using android:checked attribute.

Android RadioButton A RadioButton is a widget which can be set to checked or an unchecked state. Once a RadioButton is checked you cannot uncheck it unless it’s present inside a RadioGroup. A RadioGroup is a container that holds RadioButtons. At a time inside a RadioGroup, only one RadioButton can be set as checked.

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