loading streaming url at runtime dynamically

lib/Globals.dart

@@ -1,11 +1,28 @@
 import 'package:audio_service/audio_service.dart';
 import 'package:audio_session/audio_session.dart';
+import 'package:audioplayers/audioplayers.dart';
+import 'package:http/http.dart' as http;
 
 import 'ListenHandler.dart';
 
 late final ListenHandler _listenHandler;
 late final AudioSession _session;
 
+final String _fallback =
+    "https://generic.ything.app/music/separation-185196.mp3";
+final _urlSource = Uri.parse("https://generic.ything.app/music/player.url");
+late final String _radioUrl;
+
+Future<void> loadCurrentUrl() async {
+  final resp = await http.get(_urlSource);
+  if (resp.statusCode == 200) {
+    _radioUrl = resp.body.trim();
+  } else {
+    _radioUrl = _fallback;
+    print('Request for current streaming url failed');
+  }
+}
+
 Future<void> setupListenHandler() async {
   _listenHandler = await AudioService.init(
     builder: () => ListenHandler(),
@@ -51,6 +68,10 @@ Future<void> setupListenHandler() async {
 
 ListenHandler getListenHandlder() => _listenHandler;
 
+UrlSource getUrlSource() {
+  return UrlSource(_radioUrl, mimeType: "audio/mpeg");
+}
+
 Future<bool> startAudioSession() async {
   return await _session.setActive(true);
 }

lib/ListenHandler.dart

@@ -5,9 +5,7 @@ import 'package:ything_radio/Globals.dart';
 class ListenHandler extends BaseAudioHandler {
   final _player = AudioPlayer();
 
-  final UrlSource _radioSource = UrlSource(
+  final UrlSource _radioSource = getUrlSource();
-      "https://generic.ything.app/music/separation-185196.mp3",
-      mimeType: "audio/mpeg");
 
   setup_player() {
     _player.setReleaseMode(ReleaseMode.release);

lib/main.dart

@@ -4,6 +4,7 @@ import 'Globals.dart';
 import 'YthingRadio.dart';
 
 Future<void> main() async {
+  await loadCurrentUrl();
   await setupListenHandler();
   runApp(const YthingRadio());
 }

pubspec.lock

@@ -273,7 +273,7 @@ packages:
     source: hosted
     version: "7.7.0"
   http:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http
       sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010

pubspec.yaml

@@ -40,6 +40,7 @@ dependencies:
   flutter_tabler_icons: ^1.38.0
   audio_service: ^0.18.15
   audio_session: ^0.1.21
+  http: ^1.2.2
 
 dev_dependencies:
   flutter_test: