ios 7 statusbar 状态栏 跟随navigationbar的颜色而改变

首先，咱们要搞清楚info.plist中 View controller-based status bar appearance这个属性 View controller-based status bar appearance ＝NO 这个设置为：View Controller 不对status Bar 显示进行操做

而后在viewcontroller里面修改navigationbar的颜色 [[UINavigationBar appearance] setBarTintColor:[UIColor colorWithRed:65/255.0 green:159/255.0 blue:252/255.0 alpha:0.5]];

官方给出的意思 To customize the appearance of all instances of a class, send the relevant appearance modification messages to the appearance proxy for the class.（自定义的一个类的全部实例的外观，发送相关信息到外观的外观的代理类）For example, to modify the bar tint color for all UINavigationBar instances:

[[UINavigationBar appearance] setBarTintColor:myColor];

这样就搞定了，哈哈

这里还能够特定容器类的选项： 官方定义： To customize the appearances for instances of a class contained within an instance of a container class:

[[UINavigationBar appearanceWhenContainedIn:[UISplitViewController class], nil] setBarTintColor:myColor]; [[UINavigationBar appearanceWhenContainedIn:[UITabBarController class], [UISplitViewController class], nil] setBarTintColor:myTabbedNavBarColor];