radioGroupValue<T> method

T radioGroupValue<T>(String fieldName)

Retrieves the value of a RadioGroupFieldState for a specified fieldName.

This method simplifies fetching the current value of a radio button group.

• Parameter fieldName The name of the field to fetch.
• Returns: The current value of the field or null if not set.
• Throws: ArgumentError if the field doesn't exist.

Implementation

T radioGroupValue<T>(String fieldName) {
  return radioGroup<T>(fieldName).value;
}