updateTextField method
Implementation
void updateTextField(AFWidgetID wid, String text) {
final param = p;
final flutterState = param.flutterStatePrivate as AFFlutterRouteParamState?;
final controllers = flutterState?.textControllers;
if(controllers == null) {
throw AFException(AFStateProgrammingInterface.errNeedTextControllers);
}
controllers.update(wid, text);
}