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By default, the android RadioButton will be in OFF (Unchecked) state. We can change the default state of RadioButton by using android:checked attribute. In case, if we want to change the state of RadioButton to ON (Checked), then we need to set android:checked = “true” in our XML layout file.

RadioGroup is a widget in android which is used to handle multiple radio buttons within the android application. We can add multiple radio buttons to our RadioGroup. We have seen how to use radio buttons in android. In this article, we will take a look at How to implement Radio Group in the android application.

The DOM Input Radio defaultChecked Property in HTML DOM is used for returning the default value of the checked attribute. It returns a true if the radio button is checked by default otherwise it returns false.

In case we need to select a radio button by default, we need to check it as true. Whenever the radio buttons are checked as true, then it will be autofocused by default.

HTML - check radio buttons and checkboxes by default Set the first of your radio buttons and the first of your checkboxes to both be checked by default. Now, I am able to check the boxes by default but then it specifies: You should not change the inner text of the Indoor label.

What is the Radio Button in Android? Radio buttons allow users to select a single option from a list. For this article, create an empty Jetpack Compose project and open MainActivity. Add a composable called MyUI() and call it from the onCreate() method.

Radio buttons allow the user to select one option from a set. You should use radio buttons for optional sets that are mutually exclusive if you think that the user needs to see all available options side-by-side.