58 lines
1.6 KiB
Dart
58 lines
1.6 KiB
Dart
import 'package:flutter/services.dart';
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/// BatteryManager 实时数据（电池端：电压 / 电流 / 功率）
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class BatteryManagerData {
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final int voltageMv;
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final int currentUa;
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final double powerW;
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final double temperatureC;
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final int plugged; // 0=未插, 1=AC, 2=USB, 4=WIRELESS
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final bool isCharging;
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const BatteryManagerData({
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required this.voltageMv,
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required this.currentUa,
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required this.powerW,
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required this.temperatureC,
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required this.plugged,
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required this.isCharging,
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});
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factory BatteryManagerData.empty() => const BatteryManagerData(
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voltageMv: 0,
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currentUa: 0,
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powerW: 0,
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temperatureC: 0,
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plugged: 0,
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isCharging: false,
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);
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factory BatteryManagerData.fromMap(dynamic raw) {
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if (raw is! Map) return BatteryManagerData.empty();
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return BatteryManagerData(
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voltageMv: (raw['voltageMv'] as num?)?.toInt() ?? 0,
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currentUa: (raw['currentUa'] as num?)?.toInt() ?? 0,
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powerW: (raw['powerW'] as num?)?.toDouble() ?? 0.0,
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temperatureC: (raw['temperatureC'] as num?)?.toDouble() ?? 0.0,
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plugged: (raw['plugged'] as num?)?.toInt() ?? 0,
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isCharging: raw['isCharging'] as bool? ?? false,
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);
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}
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/// 电压 V
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double get voltageV => voltageMv / 1000.0;
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/// 电流 A
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double get currentA => currentUa / 1_000_000.0;
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}
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class BatteryManagerService {
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static const _channel = MethodChannel('com.lxh.battery_health/charge');
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/// 主动拉取一次
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static Future<BatteryManagerData> fetch() async {
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final result = await _channel.invokeMethod('getBatteryManagerData');
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return BatteryManagerData.fromMap(result);
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}
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}
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