通常我們做一個UITableViewController(以下簡稱tvc)直接開啟，在沒有NavigationController的時候都會是這樣

問題是，你要加一個UINavigationController嗎？

還是像別人一樣不用UITableViewControler而是在main storyboard 裡面造一個UIViewController + UITableView 下移20px?

告訴你我最近實現的一個方法:

#define BARITEMHEIGHT 64
- (void)viewDidLoad {
    [super viewDidLoad];
    CGRect
 
 frame = self.view.frame;
    frame.size.height = BARITEMHEIGHT;

    UINavigationBar *navigationBar = [[UINavigationBar alloc] initWithFrame:frame];

    UINavigationItem *navigationItem = [[UINavigationItem alloc] initWithTitle:@"Active group"];
    UIBarButtonItem *leftbutton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self
 
 action:@selector(actionDown)];
    UIBarButtonItem *rightbutton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(actionCancel)];
    [navigationBar pushNavigationItem:navigationItem animated:YES];
    [navigationItem setLeftBarButtonItem:leftbutton];
    [navigationItem setRightBarButtonItem:rightbutton];
    self
 
.tableView.tableHeaderView = navigationBar;

}


-(void) actionDown
{
    [self dismissViewControllerAnimated:YES completion:^{
        // balabalabala...
    }];
}

-(void) actionCancel
{
    [self dismissViewControllerAnimated:YES completion:nil];
}

省事羅!

1. 由於加入的navigatebar是tableView的一部分，在手指滑動的時候這個navigatebar是會隨著移動的，如果希望navigatebar不動，那麼，就要把

- (void)viewDidLoad
{
...
}

裡面的內容去掉
然後，在

-(void)viewDidAppear:(BOOL)animated
｛
｝

加上類似的內容，致於為什麼加這裡，可能是因為viewDidLoad的時候某些內部的控制元件還沒有準備好吧

-(void)viewDidAppear:(BOOL)animated
｛
    CGRect frame = self.view.frame;
    frame.origin.y += BARITEMHEIGHT;
    frame.size.height  -= BARITEMHEIGHT;
    self.view.frame = frame;

    frame.origin.y = 0;
    frame.size.height = BARITEMHEIGHT;

    UINavigationBar *navigationBar = [[UINavigationBar alloc] initWithFrame:frame];

    UINavigationItem *navigationItem = [[UINavigationItem alloc] initWithTitle:@"Active appointment"];
    UIBarButtonItem *leftbutton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(actionDown)];
    UIBarButtonItem *rightbutton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(actionCancel)];
    [navigationBar pushNavigationItem:navigationItem animated:YES];
    [navigationItem setLeftBarButtonItem:leftbutton];
    [navigationItem setRightBarButtonItem:rightbutton];

    [self.view.superview addSubview:navigationBar];
｝

感謝一下我吧！
轉載不要忘了發我的連結