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    <p>Assume your UIBarButtonItem has been connected to:</p> <pre><code>-(void)buttonClicked:(UIBarButtonItem*)sender event:(UIEvent*)event; </code></pre> <p>Then paste these codes into your view controller:</p> <pre><code>-(void)buttonClicked:(UIBarButtonItem*)sender event:(UIEvent*)event{ [self becomeFirstResponder]; /*get the view from the UIBarButtonItem*/ UIView *buttonView=[[event.allTouches anyObject] view]; CGRect buttonFrame=[buttonView convertRect:buttonView.frame toView:self.view]; UIMenuController *menuController = [UIMenuController sharedMenuController]; UIMenuItem *resetMenuItem = [[UIMenuItem alloc] initWithTitle:@"Menu Item" action:@selector(menuItemClicked:)]; NSAssert([self becomeFirstResponder], @"Sorry, UIMenuController will not work with %@ since it cannot become first responder", self); [menuController setMenuItems:[NSArray arrayWithObject:resetMenuItem]]; [menuController setTargetRect:buttonFrame inView:self.view]; [menuController setMenuVisible:YES animated:YES]; [resetMenuItem release]; } - (void) copy:(id) sender { // called when copy clicked in menu } - (void) menuItemClicked:(id) sender { // called when Item clicked in menu } - (BOOL) canPerformAction:(SEL)selector withSender:(id) sender { if (selector == @selector(menuItemClicked:) /*|| selector == @selector(copy:)*/ /*&lt;--enable that if you want the copy item */) { return YES; } return NO; } - (BOOL) canBecomeFirstResponder { return YES; } </code></pre> <p>The key is to return YES for canBecomeFirstResponder and canPerformAction.</p> <p><a href="http://d.pr/1ZwF" rel="nofollow noreferrer">Here</a>'s the sample project if you need it.</p> <p>These codes are actually come from other posts in stackoverflow, I just combined them.</p> <p><a href="https://stackoverflow.com/questions/2994354/figure-out-uibarbuttonitem-frame-in-window">Figure out UIBarButtonItem frame in window?</a></p> <p><a href="https://stackoverflow.com/questions/1146587/how-to-get-uimenucontroller-work-for-a-custom-view">How to get UIMenuController work for a custom view?</a></p>
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    1. COI found the positioning of the menu was sometimes too far to the right when trying this myself. I was able to fix it by changing the lines: `CGRect buttonFrame=[buttonView convertRect:buttonView.frame toView:self.view];` and `[menuController setTargetRect:buttonFrame inView:self.view];` to: `[menuController setTargetRect:buttonView.frame inView:buttonView.superview];` gave more accurate positions.
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