file system NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray *dirPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true); NSString *docDir = [dirPath objectAtIndex:0]; NSLog(@"currentPath %@", docDir); NSURL *documentsUrl = [[fileManager URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] objectAtIndex:0]; NSURL *fileUrl = [documen..