导航例子

部分代码： 

Java代码  

1. - (void)loadView {  
2.     [super loadView];   
3.       
4.     creditsController = [[CreditsViewController alloc] init];  
5.       
6.     segmentedControl = [[UISegmentedControl alloc] initWithItems:nil];  
7.     segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;  
8.     [segmentedControl insertSegmentWithTitle:@"已拨" atIndex:0 animated:NO];  
9.     [segmentedControl insertSegmentWithTitle:@"已接" atIndex:1 animated:NO];  
10.     [segmentedControl insertSegmentWithTitle:@"末接" atIndex:2 animated:NO];  
11.     [segmentedControl addTarget:self action:@selector(controlPressed:) forControlEvents:UIControlEventValueChanged];  
12.     segmentedControl.selectedSegmentIndex = 0;  
13.     self.navigationItem.titleView = segmentedControl;  
14.       
15.     credits = [[UIBarButtonItem alloc] initWithTitle:@"credits"   
16.                                                style:UIBarButtonItemStylePlain   
17.                                               target:self   
18.                                               action:@selector(creditsClick:)];  
19.     self.navigationItem.rightBarButtonItem = credits;  
20.       
21.     CGRect bounds = [[UIScreen mainScreen] applicationFrame];  
22.     textView = [[UITextView alloc] initWithFrame:bounds];  
23.     textView.editable = NO;  
24.     [self setPage];  
25.     self.view = textView;  
26.   
27. }  

http://fightper.iteye.com/blog/1055339