change image on click of button in objective c

Question

i draged 3 button in my .xib file (btn1,btn2,btn3 respectively) and initially i given default image to them, first.png

now when user clicks on btn1, image of btn1 should

Answer 1

Set the images in your button call method like:

BOOL first;
-(void)firstBtnPressed
   {
   if(first == YES){
   [btn1 setImage:[UIImage imageNamed:@"first.png"] forState:UIControlStateNormal];
   [btn2 setImage:[UIImage imageNamed:@"second.png"] forState:UIControlStateNormal];
   first = NO;
   }
   else
   {
    first = YES;
    [btn1 setImage:[UIImage imageNamed:@"second.png"] forState:UIControlStateNormal];
    [btn2 setImage:[UIImage imageNamed:@"first.png"] forState:UIControlStateNormal];
   }
}