35 lines
855 B
Dart
35 lines
855 B
Dart
import 'dart:async';
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import 'package:audioplayers/audioplayers.dart';
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import 'package:vibration/vibration.dart';
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/// 提醒：同类目标 10s 内只提醒一次。
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/// 震动/提示音默认开启，不提供关闭入口。
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class Reminder {
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final AudioPlayer _player = AudioPlayer();
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String? _lastAlertLabel;
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int _lastAlertAt = 0;
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/// 同类目标 10s 内只提醒一次
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void onDetected(String label) {
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final now = DateTime.now().millisecondsSinceEpoch;
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if (label == _lastAlertLabel && now - _lastAlertAt < 10000) return;
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_lastAlertAt = now;
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_lastAlertLabel = label;
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_vibrate();
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_playTone();
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}
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void _vibrate() => Vibration.vibrate(duration: 200);
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Future<void> _playTone() async {
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await _player.stop();
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await _player.play(AssetSource('beep.wav'));
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}
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void release() {
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_player.dispose();
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}
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}
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