-(void)viewWillAppear:(BOOL)animated {
        [super viewWillAppear:animated];
        UIPanGestureRecognizer* pgr = [imageTableView panGestureRecognizer];
        [pgr setMinimumNumberOfTouches:2];
        [pgr setMaximumNumberOfTouches:2];
}

@autoreleasepool {
    UIPanGestureRecognizer* pgr = [imageTableView panGestureRecognizer];
    [pgr setMinimumNumberOfTouches:2];
    [pgr setMaximumNumberOfTouches:2];
}

[imageTableView.panGestureRecognizer setMinimumNumberOfTouches:2];
[imageTableView.panGestureRecognizer setMaximumNumberOfTouches:2];