Pass parameter on selector of UIButton

Question

I have a detailDisclousure button on the callout of a MKAnnotation. When this button is pressed I need to call a method passing a parameter that identi

Answer 1

you can pass any NSInteger via the tag property of the UIButton only.

Answer 2

I think you can add a property(which is (Annotation *)annotation) in .h file. Then you can use annotation in the "-(void)goToViewWithAnnotation" method. Or you can customized a new button which inherits UIControl

Answer 3

It's not possible to send data with the -addTarget:action:forControlEvent: for UIButton:

[detailButton addTarget:self action:@selector(goToViewWithAnnotation:) forControlEvents:UIControlEventTouchUpInside];

Try to handle the data with some other way, when you trigger the selector. Like saving a pointer or var as you like.

UIButton have these callers as you can see:

- (void)action
- (void)action:(id)sender
- (void)action:(id)sender forEvent:(UIEvent *)event