ios状态栏颜色设置

状态栏的字体为黑色： UIStatusBarStyleDefault  

状态栏的字体为白色： UIStatusBarStyleLightContent 

1、在 info.plist  中，将 View controller-based status bar appearance  设为 NO

    [[UINavigationBar appearance] setBackgroundImage:LOAD_IMAGE(@"icon_title_bar_bg") forBarMetrics:UIBarMetricsDefault];

    
    NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor],NSForegroundColorAttributeName,[UIFont boldSystemFontOfSize:16],NSFontAttributeName, nil];

    
    [[UINavigationBar appearance]  setTitleTextAttributes:dict];

    
    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];