badge: Dispose scanner on exit

technically not needed, but eh

1 files changed, 15 insertions, 1 deletions

diff --git a/lib/widgets/badge_app.dart b/lib/widgets/badge_app.dart
index f4d1fcd..23c63aa 100644
--- a/lib/widgets/badge_app.dart
+++ b/lib/widgets/badge_app.dart
@@ -13,6 +13,8 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import 'dart:ui' show AppExitResponse;
+
 import 'package:uvok_epaper_badge/control/scanner_controller.dart';
 import 'package:uvok_epaper_badge/widgets/scan_page.dart';
 import 'package:flutter/material.dart';
@@ -20,7 +22,15 @@ import 'package:flutter/material.dart';
 class BadgeApp extends StatelessWidget {
   final ScannerController selectedScanner;
 
-  const BadgeApp({super.key, required this.selectedScanner});
+  BadgeApp({super.key, required this.selectedScanner}) {
+    AppLifecycleListener(
+      onExitRequested: () async {
+        logger.i("Exit requested");
+        dispose();
+        return AppExitResponse.exit;
+      },
+    );
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -47,4 +57,8 @@ class BadgeApp extends StatelessWidget {
       home: ScanPage(title: 'Badge Scanner', deviceScanner: selectedScanner),
     );
   }
+
+  void dispose() {
+    selectedScanner.dispose();
+  }
 }