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• 简单的参考

1、状态栏（statusBar）

• 默认：黑色
• 改变为白色：

• 1.1 第一步：

  info.plist中添加View controller-based status bar appearance为NO

• 1.2 第二步：

  [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;

2、导航栏的背景和文字Color:

• 2.1 方法一：

  // 设置NavigationBar 背景颜色 & title 颜色  
  [self.navigationController.navigationBar setBarTintColor:[UIColor colorWithRed:20/255.0 green:155/255.0 blue:213/255.0 alpha:1.0]]; 
  
  [self.navigationController.navigationBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor],NSForegroundColorAttributeName,nil]];  

• 2.2 方法二：

  // 设置NavigationBar背景颜色  
  [[UINavigationBar appearance] setBarTintColor:[UIColor redColor]];  
  
  // @{}代表Dictionary  
  [[UINavigationBar appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor whiteColor]}];  

3、导航栏使用背景图片：

[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"nav_bg.png"] forBarMetrics:UIBarMetricsDefault];  

4、取消导航栏按钮Item图片被渲染的效果

• 4.1 方法一：通过代码设置

  image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

• 4.2 方法二：通过Assets.xcassets设置

• 找到对应图片的Image Set栏，Render as设置为Original Image.
  

5、导航栏标题的字体：

UITextAttributeFont - 字体
UITextAttributeTextColor - 文字颜色
UITextAttributeTextShadowColor - 文字阴影颜色
UITextAttributeTextShadowOffset - 偏移用于文本阴影

NSShadow *shadow = [[NSShadow alloc] init];  
shadow.shadowColor = [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.8];  
shadow.shadowOffset = CGSizeMake(0, 1);  

// 任意颜色、字体大小、文字阴影颜色
[[UINavigationBar appearance] setTitleTextAttributes: [NSDictionary dictionaryWithObjectsAndKeys:  [UIColor colorWithRed:245.0/255.0 green:245.0/255.0 blue:245.0/255.0 alpha:1.0], NSForegroundColorAttributeName, shadow, NSShadowAttributeName,  
[UIFont fontWithName:@"HelveticaNeue-CondensedBlack" size:21.0], NSFontAttributeName, nil nil]];  

6、图片作为导航栏标题：

self.navigationItem.titleView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"appcoda-logo.png"]];  

7、添加多个栏按钮项目：

UIBarButtonItem *shareItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action: nil nil];  
UIBarButtonItem *cameraItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action: nil nil];  
NSArray *itemsArr = @[shareItem,cameraItem];  
self.navigationItem.rightBarButtonItems = itemsArr; 

8、自定义后退按钮的文字和颜色：

• 8.1 方法一：

  UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:UIBarButtonItemStylePlain target:nil action:nil];  
  self.navigationItem.backBarButtonItem = item;  
  
  [[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];  
  [self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName: [UIColor redColor],NSFontAttributeName:[UIFont systemFontOfSize:19.0]}];  
  self.title = [NSString stringWithFormat:@"第%lu页",(unsigned long)self.navigationController.viewControllers.count];  
  
  //自定义返回按钮  
  UIImage *backButtonImage = [[UIImage imageNamed:@"fanhui.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 30, 0, 0)];  
  [[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButtonImage forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];  
  
  //将返回按钮的文字position设置不在屏幕上显示  
  [[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(NSIntegerMin, NSIntegerMin) forBarMetrics:UIBarMetricsDefault];  

iOS状态栏、导航栏的设置

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原文地址：https://www.cnblogs.com/CH520/p/9551212.html