expanded urn field to two lines

lib/addevent.dart

@@ -270,6 +270,7 @@ class _AddEventPageState extends State<AddEvent>  {
                   const SizedBox(height: 15.0),
                   DropdownButtonFormField(
                       value: eventStore.currentEvent.urn,
+                      isDense: false,
                       isExpanded: true,
                       decoration: const InputDecoration(
                         border: OutlineInputBorder(),
@@ -512,10 +513,13 @@ class _AddEventPageState extends State<AddEvent>  {
         body: Column(
           mainAxisAlignment: MainAxisAlignment.spaceEvenly,
           crossAxisAlignment: CrossAxisAlignment.end,
-          children: const <Widget>[
-            Text(
-                '  Visit Configuration first',
-                style: TextStyle(fontSize: 20)
+          children: <Widget>[
+            Container(
+              margin: const EdgeInsets.all(10.0),
+              child:const Text(
+                  'Check Configuration Page for initial setup!',
+                  style: TextStyle(fontSize: 20)
+              ),
             ),
           ],
         ),

lib/configuration.dart

@@ -66,6 +66,9 @@ class _MyHomePageState extends State<Configuration> {
       configuration.devices = await connector.fetchCollectionDevices(configuration.currentCollection.id); //await futureDevices; //already fetched just use the data.
       configuration.eventTypes = await connector.fetchEventTypes();
 
+      if (configuration.devices.isEmpty){
+        throw Exception('Collection with 0 devices.');
+      }
       event.currentEvent.id = 0;
       event.currentEvent.urnId = configuration.devices[0].id; //TODO: fix if devices are an empty list.
       event.currentEvent.urn = configuration.devices[0].urn;
@@ -139,7 +142,7 @@ class _MyHomePageState extends State<Configuration> {
               children: <Widget>[
                 const SizedBox(height: 50),
                 const Text(
-                    'You must be online to do something here!',
+                    'Online access required for initial configuration!',
                     style: TextStyle(fontSize: 14)
                 ),
                 const SizedBox(height: 50),
@@ -244,6 +247,11 @@ class _MyHomePageState extends State<Configuration> {
                 label: const Text('Dump Events'),
                 onPressed: () {
                   dumpToFile();
+
+                  //Reset for debug testing only. //Remove in RELEASE Version:
+                  database.delete();
+                  events.reset();
+                  configuration.reset();
                 },
               ),
               FloatingActionButton.extended(
@@ -253,7 +261,6 @@ class _MyHomePageState extends State<Configuration> {
                 label: const Text('Set'),
                 onPressed: () {
                   updateConfiguration();
-                  //TODO: display failed as user feedback somehow
                 },
               ),
             ],

lib/datamodel.dart

@@ -333,7 +333,7 @@ abstract class ConfigurationStoreBase {
     devices = [];
     eventTypes = [];
     currentCollection = Collection(id: -1, description: '', collectionName: '');
-    loginInformation = SensorLogin('admin', 'adminadmin');
+    loginInformation = SensorLogin('', '');
     initialized = false;
   }
 }
@@ -343,6 +343,12 @@ class ConfigurationStoreInstance extends ConfigurationStoreBase {
   static final ConfigurationStoreInstance _instance = ConfigurationStoreInstance
       ._internal();
 
+  @override
+  void reset(){
+    super.reset();
+    deleteSharedPrefs();
+  }
+
   Future<void> storeToSharedPrefs() async {
 
     const secureStorage = FlutterSecureStorage();
@@ -377,6 +383,15 @@ class ConfigurationStoreInstance extends ConfigurationStoreBase {
     }
   }
 
+  Future<void> deleteSharedPrefs() async {
+    final prefs = await SharedPreferences.getInstance();
+    prefs.clear();
+    await prefs.remove('configuration');
+
+    const secureStorage = FlutterSecureStorage();
+    secureStorage.delete(key: 'login');
+  }
+
   factory ConfigurationStoreInstance() {
     return _instance;
   }
@@ -445,6 +460,11 @@ class EventStoreInstance extends EventStoreBase {
     }
   }
 
+  Future<void> deleteSharedPrefs() async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove('currentEvent');
+  }
+
   factory EventStoreInstance() {
     return _instance;
   }
@@ -468,6 +488,8 @@ class EventStoreInstance extends EventStoreBase {
   }
 
   void reset(){
+    gnssSync = true;
+    showAllEvents = false;
     currentEvent = Event(
         id:0,
         urnId:-1,
@@ -483,6 +505,7 @@ class EventStoreInstance extends EventStoreBase {
         longitude: '',
         elevation: ''
     );
+    deleteSharedPrefs();
   }
 }
 

lib/viewevents.dart

@@ -19,7 +19,6 @@ class _ViewEvents extends State<ViewEvents> {
   var database = DatabaseInstance();
   List<Event> _localEvents = [];
 
-
   Future<void> fetchEventsFromDb() async{
     final EventStoreInstance event = EventStoreInstance();
     int pendingEvents = 0;
@@ -47,6 +46,15 @@ class _ViewEvents extends State<ViewEvents> {
     fetchEventsFromDb();
   }
 
+  @override
+  void dispose() async {
+
+    /*Async update current configuration to shared preferences*/
+    final EventStoreInstance event = EventStoreInstance();
+    event.storeToSharedPrefs();
+    super.dispose();
+  }
+
   Future<void> syncEvents() async {
     final ConfigurationStoreInstance configuration = ConfigurationStoreInstance();
     SensorConnector connection = SensorConnector();