禁用某个VC的手势滑动返回

gistfile1.txt

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    UIGestureRecognizer *popGesture = self.navigationController.interactivePopGestureRecognizer;
    if ([popGesture isKindOfClass:[UIScreenEdgePanGestureRecognizer class]]) {
        ((UIScreenEdgePanGestureRecognizer *)popGesture).edges = UIRectEdgeNone;
    }
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    
    UIGestureRecognizer *popGesture = self.navigationController.interactivePopGestureRecognizer;
    if ([popGesture isKindOfClass:[UIScreenEdgePanGestureRecognizer class]]) {
        ((UIScreenEdgePanGestureRecognizer *)popGesture).edges = UIRectEdge;
    }
}