隐藏UIToolBar上的UIBarButtonItem

If you're trying to hide a UIBarButtonItem, you'll actually have to modify the contents of the parent bar. If it's a UIToolBar, you'll need to set the bar's items array to an array that doesn't include your item.

 

NSMutableArray     *items = [[myToolbar.items mutableCopy] autorelease]; 
[items removeObject: myButton]; 
myToolbar.items = items;