iOS和flutter 混合开发 Unhandled Excep

#import <GeneratedPluginRegistrant.h>


FlutterViewController * fluttervc = [FlutterViewController new];

//加上这一行试试
[GeneratedPluginRegistrant registerWithRegistry:fluttervc];
//就是上面这一行

[self.navigationController pushViewController:fluttervc animated:NO];