导航栏+状态栏+标签栏高度获取方法

导航栏高度获取

1 self.navigationController.navigationBar.frame.size.height

 

状态栏高度获取

1 [UIApplication sharedApplication].statusBarFrame.size.height

 

标签栏高度获取

1 tabViewController.tabBar.frame.size.height

 

Navigation bar高度、Status bar高度以及tab bar的高度是永不变的（当然除自定义啦）:

1. Navigation bar - 44pts
2. Status bar - 20pts
3. Tab bar - 49pts.