iOS get status bar and navigation bar size (width and height)

In iphone development, it is sometimes necessary to get the status bar and navigation bar height and width information to facilitate layout of other controls. Here's how to get this information:

    Status bar (StatusBar)      cgrect rectstatus = [[UIApplication sharedapplication] statusbarframe];      NSLog (@ "Status width-%f", rectStatus.size.width); Width      NSLog (@ "Status height-%f", rectStatus.size.height);   Height            //navigation bar (Navigationbar)      cgrect rectnav = self.navigationController.navigationBar.frame;      NSLog (@ "nav width-%f", rectNav.size.width); Width      NSLog (@ "nav height-%f", rectNav.size.height);   Height  

The printing results are as follows:

    2015-01-14 13:22:22.206 app_name[226:60b] status width-320.000000      2015-01-14 13:22:22.209 app_name[226:60b] Status height-20.000000      2015-01-14 13:22:22.210 app_name[226:60b] nav width-320.000000      2015-01-14 13:22:22.211 app_name[226:60b] Nav height-44.000000  

iOS get status bar and navigation bar size (width and height)