修复首次登录mqtt无法订阅的问题

wxr

2023-11-02 7e94d0d0dcb7eae298d0bbb4221c970037448c9f

 HDL-ON_iOS/ViewController.cs

@@ -22,6 +22,13 @@
            }
        }

        // 切换到竖屏模式
        public override UIInterfaceOrientationMask GetSupportedInterfaceOrientations()
        {
            return UIInterfaceOrientationMask.Portrait;
        }


        public override void ViewDidLoad()
        {
            base.ViewDidLoad();