ios 側邊手勢滑動返回 禁用/開啟 功能

// 禁用  返回手勢  

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

        self.navigationController.interactivePopGestureRecognizer.enabled = NO;  

   }  

}  

  

 

 

  // 開啟  

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

      self.navigationController.interactivePopGestureRecognizer.enabled = YES;  

  }