Dark mode

lib/main.dart

@@ -32,8 +32,11 @@ import 'package:invoiceninja_flutter/ui/invoice/invoice_screen.dart';
 import 'package:invoiceninja_flutter/utils/localization.dart';
 
 void main() async {
+  final prefs = await SharedPreferences.getInstance();
+  final enableDarkMode = prefs.getBool(kSharedPrefEnableDarkMode);
+
   final store = Store<AppState>(appReducer,
-      initialState: AppState(),
+      initialState: AppState(enableDarkMode: enableDarkMode),
       middleware: []
         ..addAll(createStoreAuthMiddleware())
         ..addAll(createStoreDashboardMiddleware())
@@ -45,16 +48,12 @@ void main() async {
           LoggingMiddleware<dynamic>.printer(),
         ]));
 
-  final prefs = await SharedPreferences.getInstance();
-  final enableDarkMode = prefs.getBool(kSharedPrefEnableDarkMode);
-
-  runApp(InvoiceNinjaApp(store: store, enableDarkMode: enableDarkMode));
+  runApp(InvoiceNinjaApp(store: store));
 }
 
 class InvoiceNinjaApp extends StatefulWidget {
   final Store<AppState> store;
-  final bool enableDarkMode;
-  const InvoiceNinjaApp({Key key, this.store, this.enableDarkMode})
+  const InvoiceNinjaApp({Key key, this.store})
       : super(key: key);
 
   @override
@@ -75,7 +74,7 @@ class InvoiceNinjaAppState extends State<InvoiceNinjaApp> {
         ],
 
         // light theme
-        theme: widget.enableDarkMode
+        theme: widget.store.state.uiState.enableDarkMode
             ? ThemeData(
                 brightness: Brightness.dark,
                 accentColor: Colors.lightBlueAccent,

lib/redux/app/app_reducer.dart

@@ -9,7 +9,9 @@ import 'package:invoiceninja_flutter/redux/company/company_reducer.dart';
 // We create the State reducer by combining many smaller reducers into one!
 AppState appReducer(AppState state, dynamic action) {
   if (action is UserLogout) {
-    return AppState().rebuild((b) => b.authState.replace(state.authState));
+    return AppState().rebuild((b) => b
+        ..authState.replace(state.authState)
+        ..uiState.enableDarkMode = state.uiState.enableDarkMode);
   } else if (action is LoadStateSuccess) {
     return action.state.rebuild((b) => b
         ..isLoading = false

lib/redux/app/app_state.dart

@@ -16,7 +16,7 @@ part 'app_state.g.dart';
 
 abstract class AppState implements Built<AppState, AppStateBuilder> {
 
-  factory AppState() {
+  factory AppState({bool enableDarkMode}) {
     return _$AppState._(
       isLoading: false,
       isSaving: false,
@@ -27,7 +27,7 @@ abstract class AppState implements Built<AppState, AppStateBuilder> {
       companyState3: CompanyState(),
       companyState4: CompanyState(),
       companyState5: CompanyState(),
-      uiState: UIState(),
+      uiState: UIState(enableDarkMode: enableDarkMode),
     );
   }
   AppState._();

lib/redux/ui/ui_state.dart

@@ -9,11 +9,11 @@ part 'ui_state.g.dart';
 
 abstract class UIState implements Built<UIState, UIStateBuilder> {
 
-  factory UIState() {
+  factory UIState({bool enableDarkMode}) {
     return _$UIState._(
       selectedCompanyIndex: 0,
       currentRoute: LoginScreen.route,
-      enableDarkMode: false,
+      enableDarkMode: enableDarkMode ?? false,
       productUIState: ProductUIState(),
       clientUIState: ClientUIState(),
       invoiceUIState: InvoiceUIState(),