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我在使用Apportable移植到Android的Cocos2d-Iphone應用程序中使用了幾個NS_ENUM。該應用程序在Xcode中完美工作,但在使用Apportable構建時,我得到了NS_ENUM的幾個錯誤。下面是一些錯誤的:使用Apportable構建應用程序時發生NS_ENUM錯誤
/Users/mac/Documents/BallTestApp/BallManager.mm:57:32: error: assigning to 'ballTypes' from incompatible type 'int'
lastCreatedBallType = NULL;
^~~~~
/Users/mac/Documents/BallTestApp/BallManager.mm:382:66: error: cannot initialize a parameter of type 'ballTypes' with an lvalue of type 'int'
withBallType:pBallType atLocation:ballPosition withManager:self];
^~~~~~~~~
/Users/mac/Documents/BallTestApp/Ball.h:193:103: note: passing argument to parameter 'myType' here
-(id)initBallWithWorld:(b2World*)world inLayer:(GamePlayLayer*)layer withBallType:(ballTypes)myType atLocation:(CGPoint)myLocation withManager:(BallManager*)myBallManager;
^
/Users/mac/Documents/BallTestApp/BallManager.mm:575:79: error: cannot initialize a parameter of type 'xBallDistances' with an lvalue of type 'int'
myBallPos = self.carlBall.position.x + [self getBallDistance:i];
^
我定義爲ballTypes:
typedef NS_ENUM(NSUInteger, ballTypes) {
redBall = 0,
yellowBall = 1,
blueBall = 2,
greenBall = 3
};
我還定義了我的其他枚舉的以類似的方式。
如果您在xcode中啓用推薦的編譯器警告,您將得到相同的錯誤。只需轉換值,並使用0或更好的實際枚舉名稱,而不是NULL(爲指針類型保留)。例如:type =(ballTypes)redBall。 – LearnCocos2D