UINavigationItem setRightBarButtonItems example in Objective C (iOS).

UINavigationItem setRightBarButtonItems

Sets the right bar button items, optionally animating the transition to the new items.

- (void)setRightBarButtonItems:(NSArray *)items animated:(BOOL)animated

Parameters of [UINavigationItem setRightBarButtonItems]
items
An array of custom bar button items to display on the right side of the navigation bar.
animated
Specify YES to animate the transition to the custom bar items when this item is the top item. Specify NO to set the items immediately without animating the change.

Discussion of [UINavigationItem setRightBarButtonItems]
If two navigation items have the same custom left or right bar button items, those bar button items remain stationary during the transition when the navigation item is pushed or popped.

UINavigationItem setRightBarButtonItems example.

With iOS 5+ it's as easy as:

UIBarButtonItem *btnShare = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(share)];
UIBarButtonItem *btnRefresh = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(loadBeeconSite)];
[self.navigationItem setRightBarButtonItems:[NSArray arrayWithObjects:btnShare, btnRefresh, nil] animated:NO];

Example of [UINavigationItem setRightBarButtonItems].

With iOS 5+
QLPreviewController *previewer = [[[QLPreviewController alloc] init] autorelease];
[previewer setDataSource:self];

UIBarButtonItem *saveButton = [[UIBarButtonItem alloc]initWithTitle:@"Salva Documento" style:UIBarButtonItemStyleBordered target:self action:@selector(saveFileToDocuments)];
NSArray *buttons = [NSArray arrayWithObjects:[[previewer navigationItem]rightBarButtonItem],saveButton, nil];
[[previewer navigationItem] setRightBarButtonItems:buttons animated:NO];

UINavigationItem setRightBarButtonItems example.

UINavigationBar *navBarView = [[UINavigationBar alloc] initWithFrame: CGRectMake(0.0f, 0.0f, 320.0f, 42.0f)];
    navBarView.tintColor= [UIColor colorWithRed:90.0/255.0f green:53.0/255.0f blue:45.0/255.0f alpha:1.0];

    UIBarButtonItem *left=[[UIBarButtonItem alloc]initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:self action:@selector(backView)];
    UIBarButtonItem *right=[[UIBarButtonItem alloc]initWithTitle:@"Save" style:UIBarButtonItemStylePlain target:self action:@selector(SaveImage)];
    UIBarButtonItem *Add=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(AddComment:)];

    UINavigationItem *navigationItem = [[UINavigationItem alloc] init];
    navigationItem.leftBarButtonItem = left;
    NSMutableArray *buttonArray=[[NSMutableArray alloc]initWithCapacity:2];
    [buttonArray addObject:right];
    [buttonArray addObject:Add];
    [navigationItem setRightBarButtonItems:buttonArray animated:NO];
    [navBarView pushNavigationItem:navigationItem animated:NO];
[self.view addSubView:navBarView];

End of UINavigationItem setRightBarButtonItems example article.