iOS 自定义状态栏和导航栏详细介绍
2019/7/9 23:06:05
本文主要是介绍iOS 自定义状态栏和导航栏详细介绍,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
iOS 自定义状态栏和导航栏
开发IOS APP 经常会根据需求更改状态栏和导航栏,这里整理了几种方法,大家可以看下。
导航栏透明
-(void)viewWillAppear:(BOOL)animated { //viewWillAppear中设置透明 [super viewWillAppear:animated]; [self.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault]; //用空图片填充机位透明 [self.navigationBar setShadowImage:[UIImage new]];//naviBar底部的seperatorLine } -(void)viewDidDisappear:(BOOL)animated { //viewWillAppear中设置恢复 [super viewDidDisappear:animated]; [self.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault]; [self.navigationBar setShadowImage:shadowImage]; }
导航栏渐变
barImageView = self.navigationController.navigationBar.subviews.firstObject; -(void)scrollViewDidScroll:(UIScrollView *)scrollView { CGFloat minAlphaOffset = - 64; CGFloat maxAlphaOffset = 200; CGFloat offset = scrollView.contentOffset.y; CGFloat alpha = (offset - minAlphaOffset) / (maxAlphaOffset - minAlphaOffset); _barImageView.alpha = alpha; }
状态栏字体颜色改变
[UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleDefault;//黑色 [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;//白色
导航栏隐藏
如果导航栏自定义度高,需要完全自己重写,可以隐藏原来的导航栏,并定义一个新的view
-(void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; self.navigationController.navigationBarHidden = YES; } -(void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; self.navigationController.navigationBarHidden = NO; } -(void)ys_initNavigationBar { self.navigationController.interactivePopGestureRecognizer.delegate = (id)self; // 保留右滑pop的手势 _naviBar = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.width, 64)]; _naviBar.backgroundColor = [UIColor whiteColor]; [self.view addSubview:_naviBar]; UIView *line = [[UIView alloc] initWithFrame:CGRectMake(0, _naviBar.height-0.5, self.view.width, 0.5)]; line.backgroundColor = [UIColor colorForHex:@"f0f0f0"]; [_naviBar addSubview:line]; // 返回 backButton = [UIButton buttonWithType:UIButtonTypeCustom]; backButton.frame = CGRectMake(0, 20, 44, 44); [backButton addTarget:self action:@selector(goBack:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:backButton]; // 标题 naviLable = [[UIButton alloc] initWithFrame:CGRectMake(44, 20, self.view.width-44*2, 44)]; naviLable.backgroundColor = [UIColor clearColor]; naviLable.font = [UIFont systemFontOfSize:16]; naviLabel.textAlignment = NSTextAlignmentCenter; [self.view addSubview: naviLable]; } -(void)scrollViewDidScroll:(UIScrollView *)scrollView { //navigationBar change CGFloat minAlphaOffset = 0; CGFloat maxAlphaOffset = 40; CGFloat offset = scrollView.contentOffset.y; CGFloat alpha = (offset - minAlphaOffset) / (maxAlphaOffset - minAlphaOffset); _naviBar.alpha = alpha; naviLabel.alpha = alpha; }
这篇关于iOS 自定义状态栏和导航栏详细介绍的文章就介绍到这儿,希望我们推荐的文章对大家有所帮助,也希望大家多多支持为之网!
- 2024-03-14system bios shadowed
- 2024-03-14gabios
- 2024-02-07iOS应用提交上架的最新流程
- 2024-02-06打包 iOS 的 IPA 文件
- 2023-12-07uniapp打包iOS应用并通过审核:代码混淆的终极解决方案 ?
- 2023-11-25uniapp IOS从打包到上架流程(详细简单) 原创
- 2023-11-10【iOS开发】iOS App的加固保护原理:使用ipaguard混淆加固
- 2023-09-30最强大的iOS应用源码保护工具:Ipa Guard,保护你的商业机密代码
- 2023-09-07iOS安全加固探讨:代码混淆、类名方法名混淆等方法
- 2023-09-05iOS代码加固与保护方法详解 - 提升iOS应用安全性的关键步骤