Create ApplicationPreferences object

lib/helpers/preferences_helper.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:comunic/models/application_preferences.dart';
 import 'package:comunic/models/login_tokens.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
@@ -70,6 +71,12 @@ class PreferencesHelper {
     final v = _sharedPreferences.getBool(_PreferenceKeysName[key]);
     return v == null ? alternative : v;
   }
+
+  /// Get all settings as an [ApplicationPreferences] object
+  ApplicationPreferences get preferences => ApplicationPreferences(
+        enableDarkMode:
+            getBool(PreferencesKeyList.ENABLE_DARK_THEME, alternative: null),
+      );
 }
 
 PreferencesHelper preferences() {

lib/main.dart

@@ -24,21 +24,20 @@ void subMain() async {
   final signedIn = await AccountHelper().signedIn();
 
   runApp(ComunicApplication(
-    darkMode: (await PreferencesHelper.getInstance())
-        .getBool(PreferencesKeyList.ENABLE_DARK_THEME),
+    preferences: await PreferencesHelper.getInstance(),
     signedIn: signedIn,
   ));
 }
 
 class ComunicApplication extends StatelessWidget {
-  final bool darkMode;
+  final PreferencesHelper preferences;
   final bool signedIn;
 
   const ComunicApplication({
     Key key,
-    @required this.darkMode,
+    @required this.preferences,
     @required this.signedIn,
-  })  : assert(darkMode != null),
+  })  : assert(preferences != null),
         assert(signedIn != null),
         super(key: key);
 
@@ -47,7 +46,7 @@ class ComunicApplication extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       home: signedIn ? InitializeWidget() : LoginRoute(),
-      theme: darkMode ? ThemeData.dark() : ThemeData.light(),
+      theme: preferences.preferences.enableDarkMode ? ThemeData.dark() : null,
     );
   }
 }

lib/models/application_preferences.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/cupertino.dart';
+
+/// Application settings
+///
+/// @author Pierre Hubert
+
+class ApplicationPreferences {
+  final bool enableDarkMode;
+
+  const ApplicationPreferences({
+    @required this.enableDarkMode,
+  });
+}