How to remove button for popover in splitview with tabbar

Discussion in 'iOS Programming' started by mikezang, Aug 16, 2010.

  1. macrumors 6502a

    May 22, 2010
    Tokyo, Japan
    I made a TabBarController, there is a SplitViewController in one tab. The Split View is no any problems, but when I switch tabs at portrait mode, I found a problem due to this undocument structure. I use code as below for split view, I am not sure how to inform it to remove button when switched tabs, pls give a hint.
    - (void)splitViewController: (UISplitViewController*)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem*)barButtonItem forPopoverController: (UIPopoverController*)pc {
        barButtonItem.title = @"Master List";
        NSMutableArray *items = [[toolbar items] mutableCopy];
        [items insertObject:barButtonItem atIndex:0];
        [toolbar setItems:items animated:YES];
        [items release];
        self.popoverController = pc;
    // Called when the view is shown again in the split view, invalidating the button and popover controller.
    - (void)splitViewController: (UISplitViewController*)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem {
    	NSMutableArray *items = [[toolbar items] mutableCopy];
        [items removeObjectAtIndex:0];
        [toolbar setItems:items animated:YES];
        [items release];
        self.popoverController = nil;

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