From 8fdb0e0c9d04b5069e9c83e9a5f38ba085485663 Mon Sep 17 00:00:00 2001
From: wjc <1243177876@qq.com>
Date: 星期二, 07 三月 2023 18:21:29 +0800
Subject: [PATCH] 2023年03月07日18:21:18

---
 HDL-ON_Android/Scan.cs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/HDL-ON_Android/Scan.cs b/HDL-ON_Android/Scan.cs
index f4f5de5..5748cf2 100644
--- a/HDL-ON_Android/Scan.cs
+++ b/HDL-ON_Android/Scan.cs
@@ -122,6 +122,8 @@
 
         public static byte[] BytesFromText(string text, int width = 300, int height = 300)
         {
+            if (text == "") return null;
+
             var barcodeWriter = new ZXing.Mobile.BarcodeWriter
             {
                 Format = ZXing.BarcodeFormat.QR_CODE,

--
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