UI常用方法总结之 UINavigationController

UINavigationController :UIViewController

1.创建UINavigationController对象
UINavigationController *navCV = [[UINavigationControlleralloc]initWithRootViewController:mainVC];

通常和
self.window.rootViewController = navCV;
连用

2.- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated;

推出第二个页面
eg:[self.navigationControllerpushViewController:secondVC animated:YES];

3.- (UIViewController *)popViewControllerAnimated:(BOOL)animated;
返回上一视图
eg:[self.navigationControllerpopViewControllerAnimated:YES];

4.- (NSArray *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated;

返回指定视图
eg:获得viewController的栈
UIViewController *viewC = [self.navigationController.viewControllersobjectAtIndex:0];
[self.navigationController popToViewController:viewC animated:YES];

5.- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated;
返回根视图
eg:[self.navigationControllerpopToRootViewControllerAnimated:YES];

UINavigationItem :NSObject <NSCoding>
每个页面要显示在导航栏上的内容(标题,两边按钮信息)

1.rightBarButtonItem
创建导航栏右边按钮
参数1选择一个系统提供的图标信息
eg:self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(button:)]autorelease];

2.leftBarButtonItem
创建导航栏左边按钮
eg:self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc]initWithImage:[UIImage imageNamed:@"iconfont-yinle.png"] style:UIBarButtonItemStylePlain target:self action:@selector(button:)]autorelease];

3.hidesBackButton
隐藏返回按钮
eg:self.navigationItem.hidesBackButton =YES;

4.titleView
标题相关设置
eg:self.navigationItem.titleView = [[[UISegmentedControlalloc]initWithItems:@[@"111",@"222"]]autorelease];

UINavigationbar

1.translucent
是否透明
eg:self.navigationController.navigationBar.translucent =YES;

2.barTintColor
bar的颜色eg:self.navigationController.navigationBar.barTintColor = [UIColor grayColor];

3.setNavigationBarHidden
隐藏bar
e.g.:[self.navigationControllersetNavigationBarHidden:NO];

4.automaticallyAdjustsScrollViewInsets
取消掉scrollView的系统设置的UIEdgeInsets
e.g.:elf.automaticallyAdjustsScrollViewInsets =YES;
(当页面出现不可预知问题时可以尝试使用这个开关)

5.setBackgroundImage
设置bar背景图片
eg：[self.navigationController.navigationBarsetBackgroundImage:[UIImageimageNamed:@"2.png"]forBarMetrics:UIBarMetricsDefault];

延伸阅读：

1、Objective-C Http常用API 同步请求与异步请求
2、iOS Foundation框架简介1 常用结构体的用法和输出
3、Cocos2dx小技巧（五）常用宏介绍
4、IOS运行时（常用函数）
5、使用Sass预定义一些常用的样式
6、iOS应用数据存储的常用方式
7、常用的自定义UI组件-一：TimeView
8、iOS常用加密方式