导航控制器

bar

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //
   // self.navigationBar
   // self.toolbarItems
    //navigationBar
    //是否透明
    [self.navigationBar setTranslucent:NO];
    //底部颜色
    [self.navigationBar  setTintColor:[UIColor blackColor]];
    //颜色
    [self.navigationBar setBarTintColor:[UIColor grayColor]];
    //设置背景图片
    [self.navigationBar setBackgroundImage:[UIImage imageNamed:@"header_bg64"] forBarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault];
    
    
    //self.toolbarItems
    //显示
    self.toolbarHidden = NO;
    //是否半透明
    self.toolbar.translucent = NO;
    //设置表层颜色
    [self.toolbar setBarTintColor:[UIColor blackColor]];
    //设置底层颜色
    [self.toolbar setTintColor:[UIColor redColor]];
    
    //设置图片
    [self.toolbar setBackgroundImage:[UIImage imageNamed:@"navigationbar"] forToolbarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault];
    
    
}

Items

self.navigationItem setTitle:<#(NSString *)#>
    self.navigationItem setTitleView:<#(UIView *)#>
    
    UIBarButtonItem *item = [UIBarButtonItem alloc]initWithBarButtonSystemItem:<#(UIBarButtonSystemItem)#> target:<#(id)#> action:<#(SEL)#>
    UIBarButtonItem *item = [UIBarButtonItem alloc]initWithImage:<#(UIImage *)#> style:<#(UIBarButtonItemStyle)#> target:<#(id)#> action:<#(SEL)#>
    
    self.navigationItem setLeftBarButtonItem:<#(UIBarButtonItem *)#>}
    
    UIBarButtonItem *item = [UIBarButtonItem alloc]initWithBarButtonSystemItem:<#(UIBarButtonSystemItem)#> target:<#(id)#> action:<#(SEL)#>


//============
    // self setToolbarItems:<#(NSArray *)#>