-[UIView presentScene:]: unrecognized selector sent to instance

有几行代码让程序崩溃，

    SKView* skView = (SKView*)self.view;        FYFScene* scene = [FYFScene sceneWithSize:skView.bounds.size];    scene.scaleMode = SKSceneScaleModeAspectFill;        if (skView == nil) {        NSLog(@"skview nil");    }    [skView presentScene:scene];    

异常信息为：

-[UIView presentScene:]: unrecognized selector sent to instance 0x7ff843c2fa20

2014-12-07 09:19:47.876 my2048[460:7638] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIView presentScene:]: unrecognized selector sent to instance 0x7ff843c2fa20'

libc++abi.dylib: terminating with uncaught exception of type NSException

(lldb) 

解决方法为：

将view的 Custom Class 中的Class类由 UIView 换成 SKView；