Fixed getGroup considering subclasses

Author: ajungg

CHANGELOG.md

@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 - Fixed payment status screen not updating when in a stopped activity 
 - Fixed scanner shopping cart button not updating when in a stopped activity
+- Fixed barcode search crashing when multiple templates were matching on a single product with the same input
 
 ## [0.13.16]
 

core/src/main/java/io/snabble/sdk/codes/templates/CodeTemplate.java

@@ -224,9 +224,10 @@ public List<Group> getGroups() {
 
     public <T extends Group> T getGroup(Class<? extends Group> clazz) {
         for (Group group : groups) {
-            if (group.getClass() == clazz) {
+            try {
+                group.getClass().asSubclass(clazz);
                 return (T) group;
-            }
+            } catch (ClassCastException ignored) { }
         }
 
         return null;

ui/src/main/java/io/snabble/sdk/ui/search/SearchableProductAdapter.java

@@ -138,7 +138,7 @@ public void onBindViewHolder(final RecyclerView.ViewHolder viewHolder, final int
                     .buildCode();
 
             if (finalCode == null) {
-                Logger.d("wtf");
+                return;
             }
 
             holder.itemView.setOnClickListener(new View.OnClickListener() {