swift 代码片段

• 设置导航栏颜色

        UIApplication.sharedApplication().setStatusBarHidden(true, withAnimation: .None)        self.navigationController?.navigationBar.lt_setBackgroundColor(UIColor.blackColor())        self.navigationController?.navigationBar.tintColor = UIColor.whiteColor()        self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName:UIColor.whiteColor()]

• test