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1.9.0-BatteryManager电池充电状态信息引入完成

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lxh2875931338
2026-10-11 17:19:54 +08:00
parent 4829cd1da2
commit 8be4ff7e40
6 changed files with 259 additions and 45 deletions
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android/app/src/main/kotlin/com/lxh/battery_health/BatteryManagerHelper.kt
+51
View File
@@ -0,0 +1,51 @@
package com.lxh.battery_health
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.BatteryManager
class BatteryManagerHelper(private val context: Context) {
fun getBatteryData(): Map<String, Any?> {
val bm = context.getSystemService(Context.BATTERY_SERVICE) as BatteryManager
// 电流（µA）。部分机型充电为负、放电为正，部分相反
val rawCurrentUa = bm.getIntProperty(BatteryManager.BATTERY_PROPERTY_CURRENT_NOW)
// 电压 / 状态从 ACTION_BATTERY_CHANGED 广播里拿（比 BATTERY_PROPERTY_VOLTAGE 兼容性好）
val intent = context.registerReceiver(
null,
IntentFilter(Intent.ACTION_BATTERY_CHANGED)
)
val voltageMv = intent?.getIntExtra(BatteryManager.EXTRA_VOLTAGE, -1) ?: -1
val status = intent?.getIntExtra(BatteryManager.EXTRA_STATUS, -1) ?: -1
val plugged = intent?.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) ?: -1
val temperatureTenth = intent?.getIntExtra(BatteryManager.EXTRA_TEMPERATURE, -1) ?: -1
val isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING ||
status == BatteryManager.BATTERY_STATUS_FULL
// 符号规约：充电为正
val normalizedUa = when {
rawCurrentUa == Int.MIN_VALUE -> 0
isCharging && rawCurrentUa < 0 -> -rawCurrentUa
!isCharging && rawCurrentUa > 0 -> -rawCurrentUa
else -> rawCurrentUa
}
// 功率 W = V × A = (mV / 1000) × (µA / 1_000_000)
val powerW = if (voltageMv > 0 && normalizedUa != 0) {
(voltageMv / 1000.0) * (normalizedUa / 1_000_000.0)
} else 0.0
return mapOf(
"voltageMv" to voltageMv,
"currentUa" to normalizedUa,
"powerW" to powerW,
"temperatureC" to if (temperatureTenth > 0) temperatureTenth / 10.0 else 0.0,
"plugged" to plugged, // 0=未插, 1=AC, 2=USB, 4=WIRELESS
"isCharging" to isCharging,
)
}
}
android/app/src/main/kotlin/com/lxh/battery_health/MainActivity.kt
+25 -16
View File
@@ -255,26 +255,35 @@ private fun clearRefreshRate() {
// 充电状态通道
MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHARGE_CHANNEL)
.setMethodCallHandler { call, result ->
if (call.method == "getChargeState") {
val isCharging = getBatteryStatus()
val chargeType = if (isCharging) {
val batteryIntent = registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
val plug = batteryIntent?.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) ?: -1
when (plug) {
BatteryManager.BATTERY_PLUGGED_AC -> "AC"
BatteryManager.BATTERY_PLUGGED_USB -> "USB"
BatteryManager.BATTERY_PLUGGED_WIRELESS -> "WIRELESS"
else -> "UNKNOWN"
}
} else {
"NONE"
.setMethodCallHandler { call, result ->
when (call.method) {
"getChargeState" -> {
val isCharging = getBatteryStatus()
val chargeType = if (isCharging) {
val batteryIntent = registerReceiver(null, IntentFilter(Intent.ACTION_BATTERY_CHANGED))
val plug = batteryIntent?.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1) ?: -1
when (plug) {
BatteryManager.BATTERY_PLUGGED_AC -> "AC"
BatteryManager.BATTERY_PLUGGED_USB -> "USB"
BatteryManager.BATTERY_PLUGGED_WIRELESS -> "WIRELESS"
else -> "UNKNOWN"
}
result.success(mapOf("isCharging" to isCharging, "chargeType" to chargeType))
} else {
result.notImplemented()
"NONE"
}
result.success(mapOf("isCharging" to isCharging, "chargeType" to chargeType))
}
// 🆕 新增分支
"getBatteryManagerData" -> {
try {
result.success(BatteryManagerHelper(applicationContext).getBatteryData())
} catch (e: Exception) {
result.error("BM_ERROR", e.message, null)
}
}
else -> result.notImplemented()
}
}
// SAF 通道
MethodChannel(flutterEngine.dartExecutor.binaryMessenger, SAF_CHANNEL)