-(void)saveImages
{
    [progressBar startAnimation:nil];
    [progressBar setMaxValue: (double) media.count];

    dispatch_queue_t backgroundQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);

    dispatch_async(backgroundQueue, ^{

        for(NSString *url in media)
        {
            NSString *fileName = [url lastPathComponent];
            NSFileManager *fileManager = [NSFileManager defaultManager];
            NSString *writablePath = [_selectedDirectory stringByAppendingPathComponent:fileName];

            if(![fileManager fileExistsAtPath:writablePath])
            {
                NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString: url]];

                NSError *error = nil;
                [data writeToFile:[_selectedDirectory stringByAppendingPathComponent:[NSString stringWithFormat:@"%@", fileName]] options:NSAtomicWrite error:&error];

                if (error)
                {
                    NSLog(@"Error Writing File : %@",error);
                }
                else
                {
                    NSLog(@"Image %@ Saved SuccessFully",fileName);
                }
            }
            else
            {
                NSLog(@"file exist");
            }

            dispatch_async(dispatch_get_main_queue(), ^{
                [progressBar incrementBy:1.0];
            });
        }

        dispatch_async(dispatch_get_main_queue(), ^{
            [progressBar stopAnimation:nil];
        });
    });
    //[saveButton setEnabled:TRUE];
    //[textField setEnabled:TRUE];
}