hide and show left navigation bar button on demand in iOS-7

Question

I added my left navigation bar button using the storyboard. but I want it to hide when I first load the screen. And then in response to something else, I want it to show. The na

Answer 1

Here is how I solved it

-(void) hideAndDisableRightNavigationItem
{
    [self.navigationItem.rightBarButtonItem setTintColor:[UIColor clearColor]];
    [self.navigationItem.rightBarButtonItem setEnabled:NO];
}

-(void) showAndEnableRightNavigationItem
{
    [self.navigationItem.rightBarButtonItem setTintColor:[UIColor blackColor]];
    [self.navigationItem.rightBarButtonItem setEnabled:YES];
}