From 0051efe22d4fb0b298a97ba08213a246f4ea40dd Mon Sep 17 00:00:00 2001 From: wei <kaede@kaededeMacBook-Air.local> Date: 星期五, 27 八月 2021 14:23:35 +0800 Subject: [PATCH] 1 --- HDL_ON/UI/UI2/2-Classification/ClassificationPageBLL.cs | 14 ++++++++++---- 1 files changed, 10 insertions(+), 4 deletions(-) diff --git a/HDL_ON/UI/UI2/2-Classification/ClassificationPageBLL.cs b/HDL_ON/UI/UI2/2-Classification/ClassificationPageBLL.cs index 7012fba..bf04c98 100644 --- a/HDL_ON/UI/UI2/2-Classification/ClassificationPageBLL.cs +++ b/HDL_ON/UI/UI2/2-Classification/ClassificationPageBLL.cs @@ -442,8 +442,11 @@ { Application.RunOnMainThread(() => { - waitPage.Hide(); - waitPage.RemoveFromParent(); + if (waitPage != null) + { + waitPage.RemoveFromParent(); + waitPage = null; + } }); } }) @@ -488,8 +491,11 @@ { Application.RunOnMainThread(() => { - waitPage.Hide(); - waitPage.RemoveFromParent(); + if (waitPage != null) + { + waitPage.RemoveFromParent(); + waitPage = null; + } }); } }) -- Gitblit v1.8.0