Adding buttons to navigation bar - iphone

Question

Is it possible to add buttons to the navigation bar using the IPhone SDK?
I already have 2 buttons in the navigation bar as leftBarButton and rightBarButton. I need 2 more buttons. How to implement that?
Its not obligatory that i need them to be included in the navigation bar itself. But since the application contains only a table, i don't think it can be given elsewhere.

Answer 1

You can use the UISegmentedControl. Check the UICatalog code sample to check its usage in the navigation bar.
Here is some sample code:
- (void)viewDidLoad {
[super viewDidLoad];
UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:
[NSArray arrayWithObjects:
[UIImage imageNamed:#"up.png"],
[UIImage imageNamed:#"down.png"],
nil]];
[segmentedControl addTarget:self action:#selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
segmentedControl.frame = CGRectMake(0, 0, 90, 35);
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
segmentedControl.momentary = YES;
UIBarButtonItem *segmentBarItem = [[UIBarButtonItem alloc] initWithCustomView:segmentedControl];
[segmentedControl release];
self.navigationItem.rightBarButtonItem = segmentBarItem;
[segmentBarItem release];
}
- (void)segmentAction:(id)sender{
if([sender selectedSegmentIndex] == 0){
//do something with segment 1
NSLog(#"Segment 1 preesed");
}else{
//do something with segment 2
NSLog(#"Segment 2 preesed");
}
}