在iOS中单击按钮更改图像

Question

I have four buttons on a view controller..ViewControllerA.On click of ecah button a viewcontroller in container view opens.I want when button A is clicked then the image on button A changes and image on button B,C,D remains same .when button B is clicked then the image on button B changes and image on buttonA,C,D remains same. when button C is clicked then the image on button C changes and image on buttonA,B,D remains same.when button D is clicked then the image on button A changes and image on buttonA,B,C. remains same

- (IBAction)AClick:(id)sender {
    [_A_btn setImage:[UIImage imageNamed:@“Ahover.png"] forState:UIControlStateNormal];
   [_B_btn setImage:[UIImage imageNamed:@“B.png"] forState:UIControlStateHighlighted];
  [_C_btn setImage:[UIImage imageNamed:@“C.png"] forState:UIControlStateSelected];
   [_D_btn setImage:[UIImage imageNamed:@“D.png"] forState:UIControlStateSelected];
 __A_btn.showsTouchWhenHighlighted = YES;
}

I ma following this code .kindly suggest the changes required as it is not working as desired.

Answer 1

first set images for buttons for required states as well, and u can change state of the button on click as follows , it will show the image of that state.

- (IBAction)AClick:(UIButton *)sender {
      sender.selected = !sender.selected;
 }