Hey guys! I create a UIButton instance(named "button") with a image use [UIButton setImage:forState:] function, the button.frame is larger than the image's size. Now I want to scale this button's image smaller. I had tried to change button.imageView.frame, button.imageView.bounds and button.imageView.contentMode, but all seem ineffective.

Hopefully someone can help me how to scale a UIButton's imageView.Thanks!

my create UIButton instance code:

UIButton *button = [[UIButton alloc] init];
[button setImage:image forState:UIControlStateNormal];

my try to scale the image code:

button.imageView.contentMode = UIViewContentModeScaleAspectFit;
button.imageView.bounds = CGRectMake(0, 0, 70, 70);

and:

button.imageView.contentMode = UIViewContentModeScaleAspectFit;
button.imageView.frame = CGRectMake(0, 0, 70, 70);