[titleView addSubview:actionNewButton]; [titleView addSubview:classicAction]; self.navigationItem.titleView
target:self action:@selector(backIndex)]; [buttonItem setImage:[UIImage imageNamed:@"返回"]]; self.navigationItem.leftBarButtonItem = buttonItem; //导航栏标题 self.navigationItem.title = @"个人中心"; [self.navigationController.navigationBar = leftItem; //导航栏标题 self.navigationItem.title = @"单词详解"; [self.navigationController.navigationBar = rightItem; //把view添加到nav self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithCustomView @"请输入关键字名称"; [searchView addSubview:searchBar]; [searchBar becomeFirstResponder]; self.navigationItem.leftBarButtonItem
UIBarButtonItem(barButtonSystemItem: .bookmarks, target: nil, action: nil)] // 标题 navigationItem.title = "导航栏" // navigationItem.titleView = UISwitch() // 中间 let fixedGroup = UIBarButtonItemGroup.fixedGroup = [fixedGroup, movableGroup] // 右侧 navigationItem.rightBarButtonItems = [ UIViewController() nextViewController.view.backgroundColor = .red nextViewController.navigationItem.title = "标题" // 设置titleMenuProvider navigationItem.titleMenuProvider = { _ in
的情况,即不是使用push方式加载子VC,而是通过AddChildViewController的方式添加的场景,则父级导航条会覆盖在子级导航条上面,所以需要在载入时把父级导航条做隐藏处理: 1.2 navigationItem 在含有导航条的ViewController中,VC的navigationItem与VC.navigationController中的 navigationItem并不是同一个对象,如下图所示 UIBarButtonItemStylePlain target: self action: @selector(backTo)]; [backItem setTitle:@"Test"]; [self.navigationItem setBackBarButtonItem: backItem]; 【iOS开发-22】navigationBar导航条和navigationItem设置:基本搞定导航条上的文字和按钮以及各种跳转 http self.navigationController removeFromParentViewController]; } 2.3.5 回退按钮隐藏 [self.navigationController.navigationItem
[UIFont systemFontOfSize:16], NSForegroundColorAttributeName:[UIColor whiteColor]}]; // 右侧文字 self.navigationItem.rightBarButtonItem initWithTitle:@"搜索" style:UIBarButtonItemStylePlain target:self action:@selector(search:)]; [self.navigationItem.rightBarButtonItem setTintColor:[UIColor whiteColor]]; [self.navigationItem.rightBarButtonItem setTitleTextAttributes
navigationItem navigationItem是UIViewController的一个属性,包含了当前页面导航栏上需要显示的全部信息,这个属性是为UINavigationController 每个视图控制器都有一个navigationItem属性,navigationItem中设置的做按钮、右按钮、标题等,会随着控制器的显示,也显示到navigationBar上 我们来看一下这些名词是什么意思 bar并包含整个navigationItem的栈中的viewcontrollers的navigationitem(NSArray*items属性)。 nv页面的导航栏元素由所在页面的navigationItem管理。 即设置当前页面的左右barbutton,用self.navigationItem.leftBarButtonItem等。
// self.navigationItem.titleView. =negativeSpacer; self.navigationItem.leftBarButtonItems = [NSArray arrayWithObjects: negativeSpacer ,nil]; 1.3 设置webViewVC 导航条的左边按钮的位置 在这里插入图片描述 - (void)updateNavigationItems { [self.navigationItem NO]; } else { if (self.showsNavigationCloseBarButtonItem){ [self.navigationItem else { self.navigationController.interactivePopGestureRecognizer.enabled = YES; [self.navigationItem
和尚刚接触 Flutter 时接触到底部状态栏 BottomNavigationBar 方便快捷,但随着使用过程发现依然有一些限制,包括图片选择/样式凸出/固定 NavigationItem 和尚首先了解了一下 BottomNavigationBar,主要由整体填充布局与子NavigationItem,和尚也是这样设计的,但 BottomNavigationBar 设计的配置部分主要是在 BottomNavigationBar 中完成的,而 BottomNavigationBarItem 可以看作只是一个单纯的实体类,和尚认为这样设计的好处就是统一管理,减少冗余配置等;而和尚为了配置项更多更灵活选择在 NavigationItem 二:NavigationItem 搭建 对于 NavigationItem 因为计划有凸出效果展示,整体用了 Stack 来搭建,配合 AnimatedAlign 等具体的组件来共同搭建,因为 class NavigationItem extends StatelessWidget { final UniqueKey uniqueKey; final textStr; final
# 方便单个view直接预览@Component # 标记是一个组件,可供其他组件引用export default struct BottomNavigationItem { private navigationItem this.navigationItem.image : this.navigationItem.unCheckImage) .width(24) .height(24) Text(this.navigationItem.title) .fontSize(14) .fontColor(this.currentIndex === this.navigationItem.tag : number) => { # 对于这里的$currentItemIndex写法可以先将疑问留着,后续结合Link一并说明 BottomNavigationItem({ navigationItem 而BottomNavigationItem({ navigationItem: item, currentIndex: $currentItemIndex })中,我们需要把选中的item的index值传递给
# 方便单个view直接预览@Component # 标记是一个组件,可供其他组件引用export default struct BottomNavigationItem { private navigationItem this.navigationItem.image : this.navigationItem.unCheckImage) .width(24) .height(24) Text(this.navigationItem.title) .fontSize(14) .fontColor(this.currentIndex === this.navigationItem.tag : number) => { # 对于这里的$currentItemIndex写法可以先将疑问留着,后续结合Link一并说明 BottomNavigationItem({ navigationItem 而BottomNavigationItem({ navigationItem: item, currentIndex: $currentItemIndex })中,我们需要把选中的item的index值传递给
navigationBar.prefersLargeTitles = true navigationItem.largeTitle = "大学列表" navigationItem.searchController = searchController // 恢复成之前的顶部显示 navigationItem.preferredSearchBarPlacement = .stacked navigationBar.prefersLargeTitles = true navigationItem.largeTitle = "大学列表" navigationItem.searchController setToolbarHidden(false, animated: false) // iOS26新增,允许将searchBar集成到UIToolbar navigationItem.searchBarPlacementAllowsToolbarIntegration target: self, action: nil) // 将searchBar集成到UIToolbar toolbarItems = [addBarButtonItem, navigationItem.searchBarPlacementBarButtonItem
(3)还有一个重要的知识是对navigationItem的设置,这个属性和navigationController是平级的,所以直接能够用self.navigationItem使用。 (4)最重要的可能是给navigationItem设置左右两边的button,一般默认的在左边有“返回”。在右边的有“摄像头”(如微信朋友圈)。 步骤就是创建一个UIBarButtonItem对象,然后直接把这个对象赋值给self.navigationItem.leftBarButtonItem或者右边的。 然后把这个数组赋值给self.navigationItem.leftBarButtonItems。注意后面这个和前面这个相比,多了一个“s”。有非常多个。也要注意一下有多个button时的排列顺序。 的title文字 [self.navigationItem setTitle:@"子页"]; //我们也能够在子页中自己定义一个返回button覆盖原先的"<back"
标题设置 self.navigationItem.title = @"标题"; 复制代码 正常情况下,控制器的标题会默认作为导航标题 前景色 self.navigationController.navigationBar.barTintColor imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]; self.navigationItem.leftBarButtonItem leftButtonImage style:UIBarButtonItemStyleBordered target:self action:@selector(back)]; 复制代码 //设置成文字 self.navigationItem.leftBarButtonItem initWithTitle:@"返回"style:UIBarButtonItemStylePlain target:self action:@selector(back)]; 复制代码 //自定义视图 self.navigationItem.leftBarButtonItem UIBarButtonItem* backItem = [[UIBarButtonItem alloc] initWithCustomView:leftButton]; self.navigationItem.leftBarButtonItems
= item1; 12 13 //往右侧添加两个按钮 14 self.navigationItem.rightBarButtonItems = @[item1, item2] ; 15 16 //往左侧添加一个BarButton 17 self.navigationItem.leftBarButtonItem = item1; 18 19 //往左侧添加两个BarButton 20 self.navigationItem.leftBarButtonItems = @[item1, item2]; (3)在storyboard imageNamed:@"topView.png"]; //图片加入ImageView imageView.image = image; //ImageView加入到navigationItem self.navigationItem.titleView = imageView; 4.在各个视图间切换的时候下面的Tab Bar是存在的,或减少我们的可视空间,那么我们应如何隐藏掉呢?
AController.navigationItem.backBarButtonItem = .... backBarButtonItem的自定义不会影响系统的侧滑返回手势,而leftBarButtonItem = barItem; //侧滑手势失效 self.navigationItem.backBarButtonItem = barItem; //不影响侧滑手势 backBarButtonItem的自定义不能影响返回按钮的标题和图片 (同leftBarButtonItem | rightBarButtonItem) self.navigationItem.backBarButtonItem self.navigationController.navigationItem.backBarButtonItem UIViewController的属性navigationItem正是被当前UINavigationBar--[UINavigationBar appearance]管理的属性 //The navigation (read-only) @property(nonatomic, readonly, retain) UINavigationItem *navigationItem; self.navigationController.navigationItem.backBarButtonItem
override func viewDidLoad() { super.viewDidLoad() navigationItem.rightBarButtonItem error { print(error.localizedDescription) } else { self.navigationItem.rightBarButtonItem RPScreenRecorder.shared() // 停止录制 recorder.stopRecording { [unowned self] preview, _ in self.navigationItem.rightBarButtonItem
设置导航栏的标题 这个直接是很简单的设置,一行代码搞定 self.navigationItem.title = @"导航栏标题"; 设置导航栏背景颜色 导航栏的背景颜色,也是很简单的 自己替换代码中的颜色即可 action:@selector(goToBack)]; self.navigationItem.leftBarButtonItem target:self action:@selector(goToBack)]; leftButton.tintColor = [UIColor whiteColor]; self.navigationItem.leftBarButtonItem UIBarButtonItem* leftBarButton = [[UIBarButtonItem alloc] initWithCustomView:leftButtonView]; self.navigationItem.leftBarButtonItem
navigationBar.prefersLargeTitles = true // iOS26新增 navigationItem.largeTitle = "导航" navigationItem.largeSubtitle = "子标题" } } 效果 UINavigationItem.png UIBarButtonItem 增加了badge属性,用于设置角标 UIBarButtonItem.fixedSpace(20) let flexibleSpace = UIBarButtonItem.flexibleSpace() navigationItem.rightBarButtonItems
initWithTitle:@"pop" style:UIBarButtonItemStyleDone target:self action:@selector(popView:)]; self.navigationItem.rightBarButtonItem pop.permittedArrowDirections = UIPopoverArrowDirectionAny;//弹出的方向 pop.barButtonItem = self.navigationItem.rightBarButtonItem
10:6; self.navigationItem.rightBarButtonItem.imageInsets = UIEdgeInsetsMake(0,-inset,0,inset); 2.填充方式 alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil]; self.navigationItem.leftBarButtonItems