iphone - Error: Using two-stage rotation animation is not supported in iOS -


i working on bar code scan application. got sample source code. while scanning image, taking image photo gallery have saved bar code images.

but not scanning , showing in console 2012-06-04 14:09:00.136 reader sample[467:207] using two-stage rotation animation not supported when rotating more 1 view controller or view controllers not window delegate

what error log about, can please me.

any appreciated

so should do

given console message, i'd shouldn't use 2 stage rotation. is, instead of using methods -[will/did]animatefirsthalfofrotationtointerfaceorientation: , -[will/did]animatesecondhalfofrotationtointerfaceorientation:, use newer one-step rotation methods -willrotatetointerfaceorientation:duration: , -didrotatefrominterfaceorientation:.


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