Dismiss a Storyboard Popover

segue_popover.m

@interface ViewController ()

@property (nonatomic, strong) ReaderIssueView *issueView;

@end

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    self.thePopover = [(UIStoryboardPopoverSegue *)segue popoverController];
}

- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender
{
    if (self.thePopover) {
        [self.thePopover dismissPopoverAnimated:YES];
        return NO;
    } else
        return YES;
}