Object C2 Simple Path Example 출처: Stanford Univ. CS193P (2010 Winter) Lecture 5 - (void)drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext(); [[UIColor grayColor] set]; UIRectFill ([self bounds]); CGContextBeginPath (context); CGContextMoveToPoint (context, 75, 10); CGContextAddLineToPoint (context, 10, 150); CGContextAddLineToPoint (context, 160, 150); CGContextClosePath (context); [[UIColor redColor.. 2010. 9. 6. forward class and corresponding @interface may not exist warning 출처: http://stackoverflow.com/questions/322597/objective-c-class-vs-import you see this warning: warning: receiver 'myCoolClass' is a forward class and corresponding @interface may not exist you need to #import the file, but you can do that in your implementation file (.m), and use the @class declaration in your header file. @class does not (usually) remove the need to #import files, it just move.. 2010. 8. 23. 이전 1 다음