Blood Pressure devices flow implemented

lib/pages/medical/my_trackers/ble_device_type_screens/lepu_device_types/bloodpressure_connect_screen.dart

@@ -70,15 +70,15 @@ class _BloodPressureConnectScreenState extends State<BloodPressureConnectScreen>
                   children: [
                     Column(
                       children: [
-                        Text("Dia", style: TextStyle(fontSize: 20)),
-                        Text(myTrackersViewModel.bpRtResultModel.dia.toString(), style: TextStyle(fontSize: 50, fontWeight: FontWeight.bold)),
+                        Text("Sys", style: TextStyle(fontSize: 20)),
+                        Text(myTrackersViewModel.bpRtResultModel.sys.toString(), style: TextStyle(fontSize: 50, fontWeight: FontWeight.bold)),
                         Text("mmHg", style: TextStyle(fontSize: 10)),
                       ],
                     ),
                     Column(
                       children: [
-                        Text("Sys", style: TextStyle(fontSize: 20)),
-                        Text(myTrackersViewModel.bpRtResultModel.sys.toString(), style: TextStyle(fontSize: 50, fontWeight: FontWeight.bold)),
+                        Text("Dia", style: TextStyle(fontSize: 20)),
+                        Text(myTrackersViewModel.bpRtResultModel.dia.toString(), style: TextStyle(fontSize: 50, fontWeight: FontWeight.bold)),
                         Text("mmHg", style: TextStyle(fontSize: 10)),
                       ],
                     ),

lib/pages/medical/my_trackers/my_trackers_view_model/my_trackers_view_model.dart

@@ -166,11 +166,13 @@ class MyTrackersViewModel extends ChangeNotifier {
 
   clearEcgHistoryFiles() {
     ecgHistoryFiles.clear();
+    ecgHistoryFiles = [];
     notifyListeners();
   }
 
   parseEcgHistoryFiles(String mapData) {
     ecgHistoryFiles.clear();
+    ecgHistoryFiles = [];
     json.decode(mapData).forEach((v) {
       ecgHistoryFiles.add(new ECGFileDetailModel.fromJson(v));
     });