bug fix 1.0 (android logo, old device, firstname, exercise save)

lib/view/account.dart

@@ -77,7 +77,7 @@ class _AccountPagePageState extends State<AccountPage> {
                             children: [
                               Text(_loggedIn ? Auth().userLoggedIn.email + " " +
                                   Auth().userLoggedIn.name + " " +
-                                  Auth().userLoggedIn.firstName : "",
+                                  Auth().userLoggedIn.firstname : "",
                                   style: TextStyle(color: Colors.blue)),
                               Icon(Icons.arrow_forward_ios),
                             ]),

lib/view/customer_modify_page.dart

@@ -163,7 +163,7 @@ class _CustomerModifyPageState extends State<CustomerModifyPage> {
                               labelText: AppLocalizations.of(context).translate('First Name'),
                             ),
                             keyboardType: TextInputType.emailAddress,
-                            initialValue: customerChangeModel.customer.customer.firstName,
+                            initialValue: customerChangeModel.customer.customer.firstname,
                               onFieldSubmitted: (input) => customerChangeModel.customer.setFirstName(input)
                           )
                       )

lib/view/exercise_new_page.dart

@@ -30,7 +30,7 @@ class _ExerciseNewPageState extends State {
             model.exerciseViewModel.createNew();
             customerName = model != null && model.customer != null
                 ? model.customer.name + " " +
-                model.customer.firstName
+                model.customer.firstname
                 : "Please select a customer";
 
             exerciseName = model != null &&
@@ -157,7 +157,7 @@ class _ExerciseNewPageState extends State {
               inputFormatters: [
                 WhitelistingTextInputFormatter(RegExp(r"[\d.]"))
               ],
-              onFieldSubmitted: (input) => {
+              onChanged: (input) => {
                 print ("UnitQuantity value $input"),
                 model.exerciseViewModel.setUnitQuantity(
                     double.parse(input))
@@ -193,7 +193,7 @@ class _ExerciseNewPageState extends State {
               inputFormatters: [
                   WhitelistingTextInputFormatter(RegExp(r"[\d.]"))
               ],
-              onFieldSubmitted: (input) =>
+                onChanged: (input) =>
               {
                   print ("Quantity value $input"),
                   model.exerciseViewModel.setQuantity(