Allow OS notifications

2026-02-23 22:19:23 +08:00
parent 98355c3707
commit cc6fda0e79
11 changed files with 398 additions and 4 deletions
@@ -0,0 +1,56 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+/// A thin wrapper around `flutter_local_notifications` that centralizes the
+/// plugin instance and provides easy initialization/show helpers.
+class NotificationService {
+  NotificationService._();
+
+  static final FlutterLocalNotificationsPlugin _plugin =
+      FlutterLocalNotificationsPlugin();
+
+  /// Call during app startup, after any necessary permissions have been
+  /// granted.  The callback receives a [NotificationResponse] when the user
+  /// taps the alert.
+  static Future<void> initialize({
+    void Function(NotificationResponse)? onDidReceiveNotificationResponse,
+  }) async {
+    const androidSettings = AndroidInitializationSettings(
+      '@mipmap/ic_launcher',
+    );
+    const iosSettings = DarwinInitializationSettings();
+
+    await _plugin.initialize(
+      settings: const InitializationSettings(
+        android: androidSettings,
+        iOS: iosSettings,
+      ),
+      onDidReceiveNotificationResponse: onDidReceiveNotificationResponse,
+    );
+  }
+
+  /// Show a simple notification immediately.
+  static Future<void> show({
+    required int id,
+    required String title,
+    required String body,
+    String? payload,
+  }) async {
+    const androidDetails = AndroidNotificationDetails(
+      'default_channel',
+      'General',
+      importance: Importance.high,
+      priority: Priority.high,
+    );
+    const iosDetails = DarwinNotificationDetails();
+    await _plugin.show(
+      id: id,
+      title: title,
+      body: body,
+      notificationDetails: const NotificationDetails(
+        android: androidDetails,
+        iOS: iosDetails,
+      ),
+      payload: payload,
+    );
+  }
+}