redesign app phase 3

lib/components/DownloadsScreen/current_downloads_list.dart

@@ -7,6 +7,7 @@ import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:get_it/get_it.dart';
 
 import '../../models/finamp_models.dart';
+import '../../services/download_support.dart';
 import '../error_snackbar.dart';
 import '../album_image.dart';
 
@@ -25,6 +26,10 @@ class _CurrentDownloadsListState extends State<CurrentDownloadsList> {
   void initState() {
     super.initState();
 
+    if (!isDownloaderSupported) {
+      return;
+    }
+
     IsolateNameServer.registerPortWithName(
         _port.sendPort, 'downloader_send_port');
     _port.listen((dynamic data) {
@@ -36,7 +41,9 @@ class _CurrentDownloadsListState extends State<CurrentDownloadsList> {
 
   @override
   void dispose() {
-    IsolateNameServer.removePortNameMapping('downloader_send_port');
+    if (isDownloaderSupported) {
+      IsolateNameServer.removePortNameMapping('downloader_send_port');
+    }
     super.dispose();
   }
 

lib/components/DownloadsScreen/downloads_overview.dart

@@ -6,6 +6,7 @@ import 'package:finamp/l10n/app_localizations.dart';
 import 'package:get_it/get_it.dart';
 
 import '../../services/download_update_stream.dart';
+import '../../services/download_support.dart';
 import '../error_snackbar.dart';
 
 const double downloadsOverviewCardLoadingHeight = 120;
@@ -39,7 +40,9 @@ class _DownloadsOverviewState extends State<DownloadsOverview> {
   @override
   void initState() {
     super.initState();
-    _downloadsOverviewFuture = FlutterDownloader.loadTasks();
+    _downloadsOverviewFuture = isDownloaderSupported
+        ? FlutterDownloader.loadTasks()
+        : Future.value([]);
 
     // Like in DownloadedIndicator, we use our own listener instead of a
     // StreamBuilder to ensure that we capture all events.