Move advanced toggle to app bar

lib/l10n/app_en.arb

@@ -21,6 +21,7 @@
   "preventSuspendLabel": "Prevent suspend",
   "disableElasticityLabel": "Disable elasticity",
   "stopDetectionLabel": "Stop detection",
+  "advancedLabel": "Show advanced settings",
   "trackingLabel": "Continuous tracking",
   "startAction": "Start service",
   "stopAction": "Stop service",

lib/settings_screen.dart

@@ -19,6 +19,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
   bool preventSuspend = false;
   bool disableElasticity = false;
   bool stopDetection = false;
+  bool advanced = false;
 
   @override
   void initState() {
@@ -132,7 +133,20 @@ class _SettingsScreenState extends State<SettingsScreen> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: Text(AppLocalizations.of(context)!.settingsTitle)),
+      appBar: AppBar(
+        title: Text(AppLocalizations.of(context)!.settingsTitle),
+        actions: [
+          Row(
+            children: [
+              Text(AppLocalizations.of(context)!.advancedLabel),
+              Switch(
+                value: advanced,
+                onChanged: (value) => setState(() => advanced = value),
+              ),
+            ],
+          ),
+        ],
+      ),
       body: ListView(
         children: [
           _buildListTile(AppLocalizations.of(context)!.idLabel, Preferences.id, false),
@@ -151,6 +165,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
               setState(() => buffering = value);
             },
           ),
+          if (advanced)
             SwitchListTile(
               title: Text(AppLocalizations.of(context)!.disableElasticityLabel),
               value: disableElasticity,
@@ -160,6 +175,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                 setState(() => disableElasticity = value);
               },
             ),
+          if (advanced)
             SwitchListTile(
               title: Text(AppLocalizations.of(context)!.stopDetectionLabel),
               value: stopDetection,
@@ -169,7 +185,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                 setState(() => stopDetection = value);
               },
             ),
-          if (Platform.isIOS)
+          if (advanced && Platform.isIOS)
             SwitchListTile(
               title: Text(AppLocalizations.of(context)!.preventSuspendLabel),
               value: preventSuspend,