Add UIBarButton item into a UIToolBar

UIToolbar *toolbar = [UIToolbar new];

toolbar.barStyle = UIBarStyleBlackTranslucent;

// create a bordered style button with custom title

UIBarButtonItem *facebook = [[[UIBarButtonItem alloc] initWithTitle:@"facebook"

                                 style:UIBarButtonItemStyleBordered   target:self           

                                 action:@selector(fbAction:)] autorelease];

UIBarButtonItem *twitter = [[[UIBarButtonItem alloc] initWithTitle:@"twitter"

                              style:UIBarButtonItemStyleBordered

      target:self

      action:@selector(twAction:)] autorelease];

NSArray *items = [NSArray arrayWithObjects: 

  facebook,

  twitter,

  nil];

toolbar.items = items;

// size up the toolbar and set its frame

        // please not that it will work only for views without Navigation toolbars. 

[toolbar sizeToFit];

CGFloat toolbarHeight = [toolbar frame].size.height;

CGRect mainViewBounds = self.view.bounds;

[toolbar setFrame:CGRectMake(0,0,320,40)];

[self.view addSubview:toolbar];