uinavigationcontroller - iPhone In-Call Status Bar not resizing 'More' View -

when toggle in-call status bar morenavigationcontroller displayed in uitabbarcontroller, morenavigationcontroller not resize other views.

is can change in code or bug in sdk?

i'm using ios 4.2 sdk.

under normal circumstances, in-call status bar cannot appear while app running. fact can in simulator artificial.