改变iOS中的导航栏和状态栏 的背景色和字体颜色

先看效果

这是系统默认的效果

这是改变后的效果

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具体的实现方式：

• 1.在info.plist添加View controller-based status bar appearance字段并将值设置成NO
  
• 2.然后在Appdelegate里面添加：

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

// Override point for customization after application launch.

//下面两句

[application setStatusBarHidden:NO];

[application setStatusBarStyle:UIStatusBarStyleLightContent];

return YES;

}

• 3.给navigationController设置新的背景色和字体颜色

self.navigationController.navigationBar.barTintColor = [UIColor orangeColor];

self.navigationController.navigationBar.titleTextAttributes = [NSDictionary dictionaryWithObject:[UIColor whiteColor] forKey:NSForegroundColorAttributeName];

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只需要这简单的三步即可实现