showToast function
Displays a toast notification with the given message.
message - The message to display in the toast.
Returns a Future<bool?> that indicates whether the toast was successfully displayed.
Implementation
Future<bool?> showToast(jsonResponse) {
return Fluttertoast.showToast(
msg: jsonResponse['message'],
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.TOP,
timeInSecForIosWeb: 1,
backgroundColor: Colors.red,
textColor: Colors.white,
fontSize: 16.0);
}