Highlighting the button with sender tag - objective-c

Question

I have 7 buttons on my storyboard, I have associated a tag number to each of the button. And all the buttons are hooked up to a single IBAction.
In my action method I have a switch statement like switch ([sender tag])
which run the appropriate action according to the tag. This is all working.
But I want to add a functionality where selected button is highlight and rest of them in normal state.

Answer 1

You can create property with tags:
#property (nonatomic, strong) NSArray *tags;
Somewhere (for example, in viewDidLoad) initialize it with values used in storyboard:
tags = #[#1, #2, #3, #4, #5]
And select buttons using this tags
- (IBAction)buttonPressed:(UIButton *)sender {
for (int i = 0; i < tags.count; i++) {
UIButton *button = [self.view viewWithTag:tags[i]];
button.selected = (button.tag == sender.tag);
}
}
Or you can create IBOutlets for every 7 buttons and create array for it.
array = #[outlet1, ..., outlet7]
And select buttons using outlets
- (IBAction)buttonPressed:(UIButton *)sender {
for (int i = 0; i < array.count; i++) {
UIButton *button = array[i];
button.selected = (button.tag == sender.tag);
}
}

Answer 2

Hope this can give you some idea:
- (void)setupButtons {
for (int i = 0; i < 7; i++) {
CGFloat width = self.view.frame.size.width / 7;
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(i * width, 100, width, 30)];
[self.view addSubview:button];
button.tag = 1000 + i;
[button setTitle:[NSString stringWithFormat:#"%d", i] forState:UIControlStateNormal];
button.backgroundColor = [UIColor redColor];
[button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[button setTitleColor:[UIColor whiteColor] forState:UIControlStateSelected];
[button addTarget:self action:#selector(buttonClicked:) forControlEvents:UIControlEventTouchDown];
if (i == 0) {
// default first button selected
button.selected = YES;
}
}
}
- (void)buttonClicked:(UIButton *)sender {
for (int i = 0; i < 7; i++) {
UIButton *button = [self.view viewWithTag:(1000+i)];
button.selected = (button.tag == sender.tag);
}
}