迁移 Flutter 端与训练脚本，模型/训练产物移出 git（遵循纯代码约定）

2026-08-24 12:35:24 +08:00
parent d056f01965
commit 961523d94c
218 changed files with 13391 additions and 3232 deletions
@@ -0,0 +1,34 @@
+import 'dart:async';
+
+import 'package:audioplayers/audioplayers.dart';
+import 'package:vibration/vibration.dart';
+
+/// 提醒：同类目标 10s 内只提醒一次。
+/// 震动/提示音默认开启，不提供关闭入口。
+class Reminder {
+  final AudioPlayer _player = AudioPlayer();
+  String? _lastAlertLabel;
+  int _lastAlertAt = 0;
+
+  /// 同类目标 10s 内只提醒一次
+  void onDetected(String label) {
+    final now = DateTime.now().millisecondsSinceEpoch;
+    if (label == _lastAlertLabel && now - _lastAlertAt < 10000) return;
+    _lastAlertAt = now;
+    _lastAlertLabel = label;
+
+    _vibrate();
+    _playTone();
+  }
+
+  void _vibrate() => Vibration.vibrate(duration: 200);
+
+  Future<void> _playTone() async {
+    await _player.stop();
+    await _player.play(AssetSource('beep.wav'));
+  }
+
+  void release() {
+    _player.dispose();
+  }
+}