UIButtons不会更改图像

Question

I set a number of UIButtons in IB. When I try to set them in the code using

[A1 setImage:[UIImage imageNamed:@"t1A.png"] forState:UIControlStateNormal];

This does not set the image. Could it be that the button wont change if it is set in IB?

Thanks

Answer 1

尝试这个

 [A1 setBackgroundImage:[UIImage imageNamed:@"t1A.png"] forState:UIControlStateNormal];

Answer 2

Apple Docs:

- (void)setBackgroundImage:(UIImage *)image forState:(UIControlState)state

Try this:

[YourButton setBackgroundImage:[UIImage imageNamed:@"XYZ.png"] forState:UIControlStateNormal];