fix DA-230

lib/screens/QR_reader_screen.dart

@@ -135,15 +135,15 @@ class _QrReaderScreenState extends State<QrReaderScreen> {
     /// var result = await BarcodeScanner.scan();
     /// int patientID = get from qr result
     var result = await BarcodeScanner.scan();
-    //  if (result.rawContent == "") {
-    List<String> listOfParams = result.rawContent.split(',');
-    String patientType = "1";
-    setState(() {
-      isLoading = true;
-      isError = false;
-      patientList = [];
-    });
-    String token = await sharedPref.getString(TOKEN);
+     if (result.rawContent != "") {
+      List<String> listOfParams = result.rawContent.split(',');
+      String patientType = "1";
+      setState(() {
+        isLoading = true;
+        isError = false;
+        patientList = [];
+      });
+      String token = await sharedPref.getString(TOKEN);
 //    Map profile = await sharedPref.getObj(DOCTOR_PROFILE);
 //    DoctorProfileModel doctorProfile = new DoctorProfileModel.fromJson(profile);
 //    patient.PatientID = 8808;
@@ -213,5 +213,5 @@ class _QrReaderScreenState extends State<QrReaderScreen> {
       //DrAppToastMsg.showErrorToast(error);
     });
   }
-// }
+  }
 }