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 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:permission_handler/permission_handler.dart';
+
+import '../../services/permission_service.dart';
+
+/// A simple screen showing every permission the app declares in
+/// [appPermissions] along with its current status.  Users can tap "Grant" to
+/// request a permission, or open the system settings if it has been permanently
+/// denied.
+class PermissionsScreen extends ConsumerStatefulWidget {
+  const PermissionsScreen({super.key});
+
+  @override
+  ConsumerState<PermissionsScreen> createState() => _PermissionsScreenState();
+}
+
+class _PermissionsScreenState extends ConsumerState<PermissionsScreen> {
+  late Map<Permission, PermissionStatus> _statuses;
+  bool _loading = true;
+
+  @override
+  void initState() {
+    super.initState();
+    _refreshStatuses();
+  }
+
+  Future<void> _refreshStatuses() async {
+    setState(() => _loading = true);
+    final statuses = await getAllStatuses();
+    setState(() {
+      _statuses = statuses;
+      _loading = false;
+    });
+  }
+
+  Future<void> _request(Permission permission) async {
+    final status = await requestPermission(permission);
+    setState(() {
+      _statuses[permission] = status;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_loading) {
+      return Scaffold(
+        appBar: AppBar(title: const Text('Permissions')),
+        body: const Center(child: CircularProgressIndicator()),
+      );
+    }
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Permissions')),
+      body: ListView.separated(
+        padding: const EdgeInsets.all(16),
+        itemCount: appPermissions.length,
+        separatorBuilder: (context, index) => const Divider(),
+        itemBuilder: (context, index) {
+          final info = appPermissions[index];
+          final status = _statuses[info.permission];
+          final granted = status?.isGranted == true;
+          final permanent = status?.isPermanentlyDenied == true;
+
+          return ListTile(
+            title: Text(info.label),
+            subtitle: Text(status?.toString() ?? 'unknown'),
+            trailing: granted
+                ? const Icon(Icons.check, color: Colors.green)
+                : Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      if (permanent)
+                        TextButton(
+                          onPressed: openAppSettings,
+                          child: const Text('Settings'),
+                        ),
+                      TextButton(
+                        onPressed: () => _request(info.permission),
+                        child: const Text('Grant'),
+                      ),
+                    ],
+                  ),
+          );
+        },
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _refreshStatuses,
+        tooltip: 'Refresh',
+        child: const Icon(Icons.refresh),
+      ),
+    );
+  }
+}