NSFileManager creating directory error 518 NSFileWriteUnsupportedSchemeError

ios, iphone, nsfilemanager, objective-c

Solution

Instead of

    [NSURL URLWithString:BIDirectory]

please use

    [NSURL fileURLWithPath:BIDirectory]

its wrong to use URLWithString:BIDirectory on local files

Problem

I was trying to create a directory ``` NSError*error=nil; NSString* BIDirectory=[[NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES) objectAtIndex:0] stringByAppendingPathComponent:@"BI"]; BOOL isDir,flag=YES; //if the directory doesn't exist create it. if(!([[NSFileManager defaultManager] fileExistsAtPath:BIDirectory isDirectory:&isDir]&& isDir)) flag=[[NSFileManager defaultManager] createDirectoryAtURL:[NSURL URLWithString:BIDirectory] withIntermediateDirectories:YES attributes:nil error:&error]; ``` i got the following error ``` enter code hereError Domain=NSCocoaErrorDomain Code=518 "The operation couldn’t be completed. (Cocoa error 518.)" UserInfo=0x197190 {NSURL=/var/mobile/Applications/55793654-6CDB-4B07-8FBF-553DC37D583D/Library/Caches/BI} ``` maybe the url is wrong?

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