small fixes

flutter/lib/app_keys.dart

@@ -0,0 +1,4 @@
+import 'package:flutter/material.dart';
+
+final navigatorKey = GlobalKey<NavigatorState>();
+final scaffoldMessengerKey = GlobalKey<ScaffoldMessengerState>();

flutter/lib/bottom_nav.dart

@@ -1,17 +1,16 @@
 import 'package:flutter/material.dart';
 import 'package:open_tv/models/view_type.dart';
 import 'package:open_tv/settings_view.dart';
+import 'package:open_tv/task_service.dart';
 
 class BottomNav extends StatefulWidget {
   final Function(ViewType) updateViewMode;
   final ViewType startingView;
-  final bool blockSettings;
   final bool tvMode;
   const BottomNav({
     super.key,
     required this.updateViewMode,
     this.startingView = ViewType.all,
-    this.blockSettings = false,
     this.tvMode = false,
   });
 
@@ -36,12 +35,8 @@ class _BottomNavState extends State<BottomNav> {
   }
 
   void onBarTapped(int index) {
-    if (widget.blockSettings && index == ViewType.settings.index) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(
-          content: Text("Settings disabled while refreshing on start"),
-        ),
-      );
+    if (TaskService.instance.isDeletingSource) {
+      TaskService.instance.notifyBusy();
       return;
     }
     setState(() {
@@ -51,8 +46,7 @@ class _BottomNavState extends State<BottomNav> {
       Navigator.pushAndRemoveUntil(
         context,
         PageRouteBuilder(
-          pageBuilder: (_, __, ___) =>
-              SettingsView(tvMode: widget.tvMode),
+          pageBuilder: (_, __, ___) => SettingsView(tvMode: widget.tvMode),
           transitionDuration: Duration.zero,
           reverseTransitionDuration: Duration.zero,
           transitionsBuilder: (context, animation, secondaryAnimation, child) =>

flutter/lib/channel_tile.dart

@@ -11,6 +11,7 @@ import 'package:open_tv/models/node_type.dart';
 import 'package:open_tv/native_bridge.dart';
 import 'package:open_tv/player.dart';
 import 'package:open_tv/exo_player.dart';
+import 'package:open_tv/task_service.dart';
 import 'dart:io' show Platform;
 
 class ChannelTile extends StatefulWidget {
@@ -152,38 +153,32 @@ class _ChannelTileState extends State<ChannelTile> {
   Future<void> favorite() async {
     if (widget.channel.mediaType == MediaType.group) return;
     await Error.tryAsyncNoLoading(() async {
-      await NativeBridge.instance.favorite(
+      final applied = await TaskService.instance.favorite(
         widget.channel.id!,
         !widget.channel.favorite,
       );
-      if (!mounted) return;
+      if (!applied || !mounted) return;
       setState(() {
         widget.channel.favorite = !widget.channel.favorite;
       });
-      ScaffoldMessenger.of(context).showSnackBar(
+      Error.showSnackBar(
         const SnackBar(
+          persist: false,
           content: Text("Added to favorites"),
           duration: Duration(milliseconds: 500),
         ),
       );
-    }, context);
+    });
   }
 
   Future<int?> _handleSeries() async {
     if (widget.channel.url?.isEmpty == true) {
-      if (context.mounted) {
-        Error.handleError(context, "Invalid series: series ID is null");
-      }
+      Error.handleError("Invalid series: series ID is null");
       return null;
     }
     final seriesId = int.tryParse(widget.channel.url!);
     if (seriesId == null) {
-      if (context.mounted) {
-        Error.handleError(
-          context,
-          "Invalid series: series ID is not a valid number",
-        );
-      }
+      Error.handleError("Invalid series: series ID is not a valid number");
       return null;
     }
     await Error.tryAsync(
@@ -227,8 +222,9 @@ class _ChannelTileState extends State<ChannelTile> {
       );
     } else {
       var settings = await NativeBridge.instance.getSettings();
-      NativeBridge.instance.addLastWatched(widget.channel.id!);
+      TaskService.instance.addLastWatched(widget.channel.id!);
       if (!mounted) return;
+      TaskService.instance.playerVisible.value = true;
       await Navigator.push(
         context,
         MaterialPageRoute(
@@ -237,6 +233,7 @@ class _ChannelTileState extends State<ChannelTile> {
               : Player(channel: widget.channel, settings: settings),
         ),
       );
+      TaskService.instance.playerVisible.value = false;
       if (mounted) _focusNode.requestFocus();
     }
   }
@@ -256,7 +253,7 @@ class _ChannelTileState extends State<ChannelTile> {
             statesController: _statesController,
             borderRadius: BorderRadius.circular(12),
             onLongPress: favorite,
-            onTap: () async => await play(),
+            onTap: play,
             child: Row(
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [