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lib/screens/add_to_playlist_screen.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+import '../components/AddToPlaylistScreen/add_to_playlist_list.dart';
+import '../components/AddToPlaylistScreen/new_playlist_dialog.dart';
+
+class AddToPlaylistScreen extends StatefulWidget {
+  const AddToPlaylistScreen({Key? key}) : super(key: key);
+
+  static const routeName = "/music/addtoplaylist";
+
+  @override
+  State<AddToPlaylistScreen> createState() => _AddToPlaylistScreenState();
+}
+
+class _AddToPlaylistScreenState extends State<AddToPlaylistScreen> {
+  @override
+  Widget build(BuildContext context) {
+    final itemId = ModalRoute.of(context)!.settings.arguments as String;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(AppLocalizations.of(context)!.addToPlaylistTitle),
+      ),
+      body: AddToPlaylistList(
+        itemToAddId: itemId,
+      ),
+      floatingActionButton: FloatingActionButton(
+        child: const Icon(Icons.add),
+        onPressed: () async {
+          // The dialog returns true if a playlist is created. If this is the
+          // case, we also pop this page. It will return false if the user
+          // cancels the dialog.
+          final result = await showDialog<bool>(
+            context: context,
+            builder: (context) => NewPlaylistDialog(itemToAdd: itemId),
+          );
+
+          if (!mounted) return;
+
+          if (result == true) {
+            Navigator.of(context).pop();
+          }
+        },
+      ),
+    );
+  }
+}