旋转视图CGAffineTransformMakeRotation
如何使用CGAffineTransformMakeRotation手动旋转视图180度?
UIView *myView = [[UIView alloc] init]; [myView setTransform:CGAffineTransformMakeRotation(M_PI)];
如何使用CGAffineTransformMakeRotation手动旋转视图180度?
UIView *myView = [[UIView alloc] init]; [myView setTransform:CGAffineTransformMakeRotation(M_PI)];