image-rotation

Rotate Arrow UIImage in a circle in objC

Hi! I'm working on the iPad app, In which I have to rotate a arrow in a circle by touch. But I'm facing problems in it. The problem is in the angle calculation to which the image must be rotate. You can check it here . I have to rotate the big red arrow image around the circle. Can anybody help me, How to get the angle of the touched ...

in response for which method rotate an image in iphone with a finger?

Hi all! in response for which method rotate an image in iphone with a finger? I have such code, but I dont know in response to which method can I call it. thanx! UIImage *image = [UIImage imageNamed:@"image.png"]; UIImageView *imageView = [ [ UIImageView alloc ] initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height) ];...