fix endless recursion in handling of gs1 codes

Author: ajungg

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Changelog  
 All notable changes to this project will be documented in this file.
 
+## [0.33.10]
+
+### Fixed
+- Endless recursion when handling unknown gs1 codes
+
 ## [0.33.9]
 
 ### Fixed

build.gradle

@@ -29,7 +29,7 @@ allprojects {
     }
 
     project.ext {
-        sdkVersion='0.33.9'
+        sdkVersion='0.33.10'
         versionCode=1
 
         compileSdkVersion=30

ui/src/main/java/io/snabble/sdk/ui/scanner/ProductResolver.java

@@ -214,7 +214,7 @@ public void onError() {
                         }
                     }
 
-                    if (gs1GtinScannedCodes.size() > 0) {
+                    if (gs1GtinScannedCodes.size() > 0 && gs1Code == null) {
                         lookupAndShowProduct(gs1GtinScannedCodes, newGs1Code);
                     } else {
                         project.getEvents().productNotFound(scannedCodes);