disappear when change window's rootViewController

[litt1e-p]

JPFPSStatus will disappear when change window's rootViewController?

[coderyi]

yes,because i add label at rootVC,

    [[((NSObject  *)([UIApplication sharedApplication].delegate)) window].rootViewController.view addSubview:fpsLabel];

sorry,I will try to solve the problem.

[litt1e-p]

is it possible to add subView at window?