ios - CFBundleDisplayName returns 'null' -

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i'm trying app name use navcontroller title, whatever can't cfbundledisplayname value. returns 'null'.

this code i'm using 

[nsbundle mainbundle] infodictionary][@"cfbundledisplayname"]

checked bundles = there 1 only. xcode5 / dev target ios5. haven't checked on device though. using simulator.

thanks!

try code app name 

   nsstring *appname =      [[[nsbundle mainbundle] infodictionary] objectforkey:(nsstring *)kcfbundlenamekey];

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