Can toggle performances overlay

lib/helpers/preferences_helper.dart

@@ -14,12 +14,14 @@ enum PreferencesKeyList {
   LOGIN_TOKENS,
   ENABLE_DARK_THEME,
   FORCE_MOBILE_MODE,
+  SHOW_PERFORMANCE_OVERLAY,
 }
 
 const _PreferenceKeysName = {
   PreferencesKeyList.LOGIN_TOKENS: "login_tokens",
   PreferencesKeyList.ENABLE_DARK_THEME: "dark_theme",
   PreferencesKeyList.FORCE_MOBILE_MODE: "force_mobile_mode",
+  PreferencesKeyList.SHOW_PERFORMANCE_OVERLAY: "perfs_overlay",
 };
 
 class PreferencesHelper {
@@ -81,7 +83,8 @@ class PreferencesHelper {
   ApplicationPreferences get preferences => ApplicationPreferences(
       enableDarkMode: getBool(PreferencesKeyList.ENABLE_DARK_THEME),
       forceMobileMode: getBool(PreferencesKeyList.FORCE_MOBILE_MODE),
-      );
+      showPerformancesOverlay:
+          getBool(PreferencesKeyList.SHOW_PERFORMANCE_OVERLAY));
 
   /// Apply new preferences
   Future<void> setPreferences(ApplicationPreferences preferences) async {

lib/main.dart

@@ -47,12 +47,13 @@ class ComunicApplicationState extends State<ComunicApplication> {
 
   @override
   Widget build(BuildContext context) {
+    final prefs = widget.preferences.preferences;
+
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       home: AccountHelper.isUserIDLoaded ? InitializeWidget() : LoginRoute(),
-      theme: widget.preferences.preferences.enableDarkMode
-          ? ThemeData.dark()
-          : null,
+      theme: prefs.enableDarkMode ? ThemeData.dark() : null,
+      showPerformanceOverlay: prefs.showPerformancesOverlay,
     );
   }
 }

lib/models/application_preferences.dart

@@ -7,10 +7,13 @@ import 'package:flutter/cupertino.dart';
 class ApplicationPreferences {
   bool enableDarkMode;
   bool forceMobileMode;
+  bool showPerformancesOverlay;
 
   ApplicationPreferences({
     @required this.enableDarkMode,
     @required this.forceMobileMode,
+    @required this.showPerformancesOverlay,
   })  : assert(enableDarkMode != null),
-        assert(forceMobileMode != null);
+        assert(forceMobileMode != null),
+        assert(showPerformancesOverlay != null);
 }

lib/ui/routes/settings/application_settings.dart

@@ -67,6 +67,8 @@ class _ApplicationSettingsState extends State<ApplicationSettings> {
   SettingsSection _buildDebugSection() => SettingsSection(
         title: tr("Debug features"),
         tiles: [
+
+          // Force mobile mode
           _PreferencesSettingsTile(
             preferencesKey: PreferencesKeyList.FORCE_MOBILE_MODE,
             title: tr("Force mobile mode"),
@@ -75,6 +77,15 @@ class _ApplicationSettingsState extends State<ApplicationSettings> {
             onChange: _updatedSettings,
             helper: _preferencesHelper,
           ),
+
+          // Show performances overlay
+          _PreferencesSettingsTile(
+            preferencesKey: PreferencesKeyList.SHOW_PERFORMANCE_OVERLAY,
+            title: tr("Show performances overlay"),
+            subtitle: null,
+            onChange: _updatedSettings,
+            helper: _preferencesHelper,
+          ),
         ],
       );