diff --git a/app/src/main/java/it/integry/integrywmsnative/MainActivity.java b/app/src/main/java/it/integry/integrywmsnative/MainActivity.java
index c807a461..da6f1864 100644
--- a/app/src/main/java/it/integry/integrywmsnative/MainActivity.java
+++ b/app/src/main/java/it/integry/integrywmsnative/MainActivity.java
@@ -98,7 +98,9 @@ public class MainActivity extends AppCompatActivity
             if (count == 0) {
                 super.onBackPressed();
             } else {
-                pop();
+                //pop();
+                getSupportFragmentManager().popBackStack();
+
             }
         }
     }
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/versamento_merce/viewmodel/VersamentoMerceViewModel.java b/app/src/main/java/it/integry/integrywmsnative/gest/versamento_merce/viewmodel/VersamentoMerceViewModel.java
index 777be8ed..88f7b18e 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/versamento_merce/viewmodel/VersamentoMerceViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/versamento_merce/viewmodel/VersamentoMerceViewModel.java
@@ -61,6 +61,8 @@ public class VersamentoMerceViewModel {
         mBinding = binding;
         mHelper = helper;
         mOnVersamentoCompleted = onVersamentoCompleted;
+
+        BarcodeManager.enable();
     }
 
     public void openLU() {
diff --git a/app/src/main/res/layout/dialog_choose_arts_from_lista_arts__item_model.xml b/app/src/main/res/layout/dialog_choose_arts_from_lista_arts__item_model.xml
index 370f583e..a17a339c 100644
--- a/app/src/main/res/layout/dialog_choose_arts_from_lista_arts__item_model.xml
+++ b/app/src/main/res/layout/dialog_choose_arts_from_lista_arts__item_model.xml
@@ -27,15 +27,23 @@
         android:paddingEnd="8dp"
         android:paddingTop="8dp"
         android:paddingBottom="8dp"
-        android:gravity="center_vertical"
         android:onClick="@{() -> checkableMtbColr.toggleCheck()}">
 
+        <androidx.appcompat.widget.AppCompatCheckBox
+            android:id="@+id/checkbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginEnd="8dp"
+            android:layout_centerVertical="true"
+            app:checked="@{checkableMtbColr.checked}"/>
 
             <LinearLayout
                 android:id="@+id/linearLayout"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:orientation="vertical"
+                android:layout_toEndOf="@id/checkbox"
                 android:layout_toStartOf="@id/qta_box">
 
 
@@ -82,7 +90,7 @@
                 android:layout_height="wrap_content"
                 android:paddingStart="12dp"
                 android:layout_alignParentEnd="true"
-                android:gravity="center_vertical">
+                android:layout_centerVertical="true">
 
                 <androidx.appcompat.widget.AppCompatTextView
                     android:layout_width="wrap_content"