flutter_clock/lib/model/timer_settings.dart

import 'package:shared_preferences/shared_preferences.dart';

class TimerSettings {
  static const String _soundKey = 'timer_sound';
  static const String _volumeKey = 'timer_volume';
  static const String _vibrateKey = 'timer_vibrate';
  static const String _loopKey = 'timer_loop';
  static const String _alignToHourKey = 'timer_align_to_hour';

  String sound; 
  double volume;
  bool vibrate; // 是否震动
  bool loop;  // 是否循环
  bool alignToHour; // 整点对齐

  TimerSettings({
    this.sound = 'Dripping',
    this.volume = 0.7,
    this.vibrate = true,
    this.loop = true,
    this.alignToHour = false,
  });

  // Save settings to SharedPreferences
  Future<void> saveSettings() async {
    final prefs = await SharedPreferences.getInstance();
    await prefs.setString(_soundKey, sound);
    await prefs.setDouble(_volumeKey, volume);
    await prefs.setBool(_vibrateKey, vibrate);
    await prefs.setBool(_loopKey, loop);
    await prefs.setBool(_alignToHourKey, alignToHour);
  }

  // Load settings from SharedPreferences
  static Future<TimerSettings> loadSettings() async {
    final prefs = await SharedPreferences.getInstance();
    return TimerSettings(
      sound: prefs.getString(_soundKey) ?? 'Dripping',
      volume: prefs.getDouble(_volumeKey) ?? 0.7,
      vibrate: prefs.getBool(_vibrateKey) ?? true,
      loop: prefs.getBool(_loopKey) ?? true,
      alignToHour: prefs.getBool(_alignToHourKey) ?? false,
    );
  }
}