objective c - Can't find applicationSupportDirectory? -

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AppDelegate पर हमेशा एक पूर्व-लिखित कार्य होता है: 

  (NSString *) applicationSupportDirectory {NSArray * पथ = NSSearchPathForDirectoriesInDomains (NSApplicationSupportDirectory, NSUserDomainMask, हाँ); NSString * basePath = ([पथ गिनती]> 0)? [पथ ऑब्जेक्टअटइंडएक्स: 0]: एनस्टेमरेरी डायरेक्टरी (); वापसी [बेसपैथ स्ट्रिंगबैपैडिंगपाथकंपनी: @ "सिंकफ़ाइल"]; }

हालांकि, मैं इस पद्धति के बाहर इस पद्धति को नहीं कॉल कर सकता हूं: 

  id _appDelegate = (SyncFile_AppDelegate *) [[एनएसएपीसीकरण साझाअनुप्रयोग] प्रतिनिधि]; एनएसएलॉग (@ "% @", [_appDelegate applicationSupportDirectory]);

कंपाइलर ने मुझे चेतावनी दी है कि यह विधि का अनुप्रयोग नहीं खोज पा रहा हैसमर्थन डायरेक्टरी ... क्या कोई जानता है कि मेरे कोड में क्या गलत है? बहुत बहुत धन्यवाद!

#import को मत भूलें "SyncFile_AppDelegate.h" < / कोड>


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