Set the translucent background of the navigation bar

1 // set the translucent background of the navigation bar. 2 uinavigationbar * navbar = self. navigationbar; 3 if ([navbar respondstoselector: @ selector (outputs: forbarmetrics :)]) {4 [navbar outputs: [uiimage imagenamed: @ "outputs"] forbarmetrics: uibarmetricsdefault]; 5}

PS: In ios6, if statusbarstyle is uistatusbarstyledefault, the color of the status bar automatically changes with the color of the navigation bar, and its color is the average color of the navigation bar; if statusbarstyle is changed to uistatusbarstyleblackopaque or uistatusbarstyleblacktranslucent, it is fixed to opaque black and transparent black and will not change with the navigation bar.

Set the translucent background of the navigation bar