InvalidKeyTypeException constructor
InvalidKeyTypeException({
- Key? key,
Throws an exception for a RadioGroup is given a key that is not of the
type GlobalKey<RadioGroupState>
key
is the mistyped key that was used.
Implementation
InvalidKeyTypeException({Key? key}) {
if (key == null) {
// If no key was provided, throw the default error message.
throw (_cause);
} else {
// If the key was provided, include it in the error message to help with
// debugging.
throw ("$_errMsgPt1 "
"${key.runtimeType}:${key.toString()} is not a valid key for a "
"`RadioGroup` $_errMsgPt2");
}
}