1.在项目 TARGETS , Status Bar Style 处,勾选『Hide status bar』
2.AppDelegate.m
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
//设置状态栏的样式
application.statusBarStyle = UIStatusBarStyleLightContent;
//程序启动完后显示状态栏
application.statusBarHidden = NO;
return YES;
}