Question

Is it possible or not to set button’s target to be another thing than “self”?
Such as UIView or UIWindow??

I tried but I got EXC_BAD_ACCESS as error.

Answer 1

You can set the target to any instance/object. The instance/object should respond to the selector you set. Otherwise you will get the SIGABRT exception.

Mostly we set the target to our custom view controllers, because we do some operations on some events. We set Self as target if we defined the action in the current view controller. You can set it some other view controller like the following,

AViewController *a = [[AViewController alloc] init];
[yourButton addTarget:a action:@selector(onButtonPressed:) forControlEvents:UIControlEventTouchUpInside];

When you click on the yourButton the action onButtonPressed: of the view controller instance a will be triggered. Note: AViewController should implement the method onButtonPressed:. You will receive SIGABRT, if not.