From f8f87a4fe67a1539b6fb85a54e4c178474792285 Mon Sep 17 00:00:00 2001
From: hxb <hxb@hdlchina.com.cn>
Date: 星期二, 20 九月 2022 13:22:22 +0800
Subject: [PATCH] 完善后退功能
---
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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