iOS Navigation导航栏

使用[self.navigationController setNavigationBarHidden:NO animated:YES] 侧滑手势会被禁，所以需要加代理开启手势

- (void)viewDidLoad {     [super viewDidLoad];     //设置代理     if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {         self.navigationController.interactivePopGestureRecognizer.delegate = self;     } } - (void)viewWillAppear:(BOOL)animated {     [super viewWillAppear:animated];     //会导致侧滑手势被禁     [self.navigationController setNavigationBarHidden:YES animated:animated]; } - (void)viewWillDisappear:(BOOL)animated {     [super viewWillDisappear:animated];     //如果该控制器没有上级控制器，建议将使用[self.navigationController setNavigationBarHidden:NO animated:animated] 效果会更好点     [self.navigationController setNavigationBarHidden:NO animated:NO]; } #pragma mark - UIGestureRecognizerDelegate - (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {     return YES; }

2、导航栏渐变

介绍两个方法：

//隐藏导航栏，但不隐藏上面的Item [self.navigationController.navigationBar setBackgroundImage:[[UIImage alloc] init]                                               forBarMetrics:UIBarMetricsDefault]; //隐藏导航栏底部那条线 [self.navigationController.navigationBar setShadowImage:[[UIImage alloc] init]];

这个不做演示，推荐一个三方 LTNavigationBar

三、自定义TitleView

直接上代码

UIView *titleView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 40)]; UISwitch *switchView = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 40, 40)]; switchView.center = titleView.center; [titleView addSubview:switchView]; self.navigationItem.titleView = titleView;

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