阻止系统左滑返回

//左滑右滑禁用

- (void)viewDidAppear:(BOOL)animated

{

    [superviewDidAppear:animated];

    // 禁用侧滑返回手势

    if([self.navigationControllerrespondsToSelector:@selector(interactivePopGestureRecognizer)]) {

        //这里对添加到右滑视图上的所有手势禁用

        for (UIGestureRecognizer *popGesture in self.navigationController.interactivePopGestureRecognizer.view.gestureRecognizers) {

            popGesture.enabled=NO;

        }

    }

}

- (void)viewWillDisappear:(BOOL)animated

{

    [superviewWillDisappear:animated];

    // 启用侧滑返回手势

    if([self.navigationControllerrespondsToSelector:@selector(interactivePopGestureRecognizer)]) {

        //这里对添加到右滑视图上的所有手势启用

        for (UIGestureRecognizer *popGesture in self.navigationController.interactivePopGestureRecognizer.view.gestureRecognizers) {

            popGesture.enabled=YES;

        }

    }

}