Application support folder

gistfile1.m

- (NSURL *)applicationSupportDirectory {
    
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
    NSString *basePath = ([paths count] > 0) ? [paths objectAtIndex:0] : NSTemporaryDirectory();
    NSString *path = [basePath stringByAppendingPathComponent:@"YourAppName"];
    NSFileManager *fm = [NSFileManager defaultManager];
    if (![fm fileExistsAtPath:path isDirectory:NULL]) {
        [fm createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
    }
    return [NSURL fileURLWithPath:path];
}