1	[[UINavigationBar appearance] setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];

1 2 3 4

//iOS7 新背景图片设置方法 高度 必需是 64 [self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"toolbar_background_iOS7Test"] forBarPosition:UIBarPositionTopAttached barMetrics:UIBarMetricsDefault]; //iOS7 阴影需单独设定 UIColor clearColor 是去掉字段 1像素阴影 [self.navigationController.navigationBar setShadowImage:[UIImage Help_imageWithColor:[UIColor clearColor]]];

1	[self.navigationController.navigationBar setTranslucent:YES];

1	[[UINavigationBar appearance] setBarTintColor:[UIColor redColor]];

 

创建一个navigationController 并给他个视图控制器

UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:[[ViewController alloc] initWithNibName:@”ViewController” bundle:nil]];

//设定标题

self.title = @”首页”;

//修改为自定义图片  源码例子可以去我那资源里下载

采用继承自UINavigationController 然后重写 – (void)drawRect:(CGRect)rect

隐藏NavigationBar

[self.navigationController setNavigationBarHidden:YES animated:YES];

navigation的推转动画是可以更改的

 CATransition *transition = [CATransitionanimation];
transition.duration = 0.3;
transition.timingFunction = [CAMediaTimingFunctionfunctionWithName:kCAMediaTimingFunctionDefault];
transition.type = kCATransitionPush;
transition.subtype = kCATransitionFromLeft;
[self.navigationController.view.layeraddAnimation:transition forKey:nil];
[self.navigationControllerpopViewControllerAnimated:NO];

navigaiton的出栈有这么几种方式：

[self.navigationController popViewControllerAnimated:YES];  //回到上一个视图控制器

[self.navigationController popToViewController:viewController animated:YES];  //回到某一个视图控制器

[self.navigationController popToViewController: [self.navigationController.viewControllers objectAtIndex: ([self.navigationController.viewControllers count] -层次)] animated:YES];

[self.navigationController popToRootViewControllerAnimated:YES]; //回到根视图控制器

 

//设置Navigation Bar颜色
self.navigationController.navigationBar.tintColor = [UIColor colorWithRed:(218.0/255.0) green:(228.0 / 255.0) blue:(250.0 / 255.0) alpha:1];

//自定义标题
titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0 , 100, 44)];
titleLabel.backgroundColor = [UIColor clearColor];  //设置Label背景透明
titleLabel.font = [UIFont boldSystemFontOfSize:20];  //设置文本字体与大小
titleLabel.textColor = [UIColor colorWithRed:(0.0/255.0) green:(255.0 / 255.0) blue:(0.0 / 255.0) alpha:1];  //设置文本颜色
titleLabel.textAlignment = UITextAlignmentCenter;
titleLabel.text = @"自定义标题";  //设置标题
self.navigationItem.titleView = self.titleLabel;

UIView * tview = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 150, 25)];

UIImageView * titleView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@”mainTitle.png”]];

[titleView setFrame:CGRectMake(0, 0, 150, 22)];

[tview addSubview:titleView];

self.navigationItem.titleView=tview;

 navigationbar 背景 高度问题

/**
* 系统默认 navigationBar 半透明，子视图的原点默认从 屏幕的（0，0）点为参考点，相当于整个视图中不存在navigationbar 这个视图。

navi.navigationBar.translucent = NO; ／／ 设置为不透明，
不透明之后，子视图的参考点，会以 navigationbar 左下方为参考点，即相对于屏幕的（0，64）计算，
自定义 navigationbar 相当于自定义一个ui view ，它实质是一个 ui view。
[navigationBar addSubview:view]便可;
UIBarButtonItem 不是一个 view，它继承自：NSObject ，是一个对象；凡事可见的，才是view
*/
navi.navigationBar.translucent = NO;
[navi.navigationBar setFrame:CGRectMake(0, 20, 320, 40)];
[navi.navigationBar setBarTintColor:CVMainColor];
UIImageView *naviView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, CVScreenSize.width, CVNaviBarHeight – 20)];
naviView.backgroundColor = CVMainColor;
//[navi.navigationBar addSubview:naviView];

//[navi.navigationBar setBackgroundImage:[UIImage imageNamed:@”navibar_bg”] forBarMetrics:UIBarMetricsDefault];