Aggiunti controlli per evitare righe duplicate in Vendita.

Fix su gestione UL in caso di Stampante non configurata.
Migliorato controllo disponibiltà barcode reader su PointMobile.

pointmobilescannerlibrary/src/main/java/it/integry/pointmobilescannerlibrary/PointMobileBarcodeReader.java

@@ -37,14 +37,24 @@ public class PointMobileBarcodeReader implements BarcodeReaderInterface {
 
     @Override
     public boolean isRightAdapter() {
-        return mScanManager != null;
+        try {
+            mScanManager.aDecodeGetResultType();
+            return true;
+        } catch (Exception ex) {
+            return false;
+        }
     }
 
     @Override
     public void init() throws BarcodeAdapterNotFoundException {
         if(isRightAdapter()){
-            mBackupResultType = mScanManager.aDecodeGetResultType();
-            mScanManager.aDecodeSetResultType(ScanConst.ResultType.DCD_RESULT_USERMSG);
+            try{
+
+                mBackupResultType = mScanManager.aDecodeGetResultType();
+                mScanManager.aDecodeSetResultType(ScanConst.ResultType.DCD_RESULT_USERMSG);
+            } catch (Exception ex) {
+                throw new BarcodeAdapterNotFoundException(getAdapterName());
+            }
         } else {
             throw new BarcodeAdapterNotFoundException(getAdapterName());
         }