From 4d3ca50a711e72308cd98e5f4246989286283535 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A0=81=E5=86=9C=E9=98=BF=E6=A5=A0?=
 <zhangyuge946@163.com>
Date: Tue, 16 Jun 2026 19:41:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E9=87=8D=E5=A4=8D=E6=B7=BB?=
 =?UTF-8?q?=E5=8A=A0=E5=A4=9A=E4=B8=AA=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 .../java/cn/airnan/a2fair/ui/tokens/AddTokenBottomSheet.kt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/src/main/java/cn/airnan/a2fair/ui/tokens/AddTokenBottomSheet.kt b/app/src/main/java/cn/airnan/a2fair/ui/tokens/AddTokenBottomSheet.kt
index 729eff8..d9ee300 100644
--- a/app/src/main/java/cn/airnan/a2fair/ui/tokens/AddTokenBottomSheet.kt
+++ b/app/src/main/java/cn/airnan/a2fair/ui/tokens/AddTokenBottomSheet.kt
@@ -373,8 +373,14 @@ fun CameraPreview(onScan: (String) -> Unit) {
 
 class ZxingAnalyzer(private val onScan: (String) -> Unit) : ImageAnalysis.Analyzer {
     private val reader = MultiFormatReader()
+    @Volatile
+    private var scanned = false
 
     override fun analyze(image: ImageProxy) {
+        if (scanned) {
+            image.close()
+            return
+        }
         val buffer = image.planes[0].buffer
         val data = ByteArray(buffer.capacity())
         buffer.get(data)
@@ -395,6 +401,7 @@ class ZxingAnalyzer(private val onScan: (String) -> Unit) : ImageAnalysis.Analyz
             val result = reader.decode(binaryBitmap)
             val text = result.text
             if (text.startsWith("otpauth://")) {
+                scanned = true
                 onScan(text)
             }
         } catch (e: NotFoundException) {