android 电池状态获取

private BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() {
int intLevel = 0;
int intScale = 0;

public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
/*
* 如果捕捉到的action是ACTION_BATTERY_CHANGED，就运行onBatteryInfoReceiver()
*/
if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
intLevel = intent.getIntExtra("level", 0);
intScale = intent.getIntExtra("scale", 100);

// 电池伏数
Log.d("Battery V", "" + intent.getIntExtra("voltage", 0));
// 电池温度
Log.d("Battery T", "" + intent.getIntExtra("temperature", 0));
BatteryV = "当前电压为：" + intent.getIntExtra("voltage", 0);
BatteryT = "当前温度为：" + intent.getIntExtra("temperature", 0);

switch (intent.getIntExtra("status",
BatteryManager.BATTERY_STATUS_UNKNOWN)) {
case BatteryManager.BATTERY_STATUS_CHARGING:
BatteryStatus = "充电状态";
break;
case BatteryManager.BATTERY_STATUS_DISCHARGING:
BatteryStatus = "放电状态";
break;
case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
BatteryStatus = "未充电";
break;
case BatteryManager.BATTERY_STATUS_FULL:
BatteryStatus = "充满电";
break;
case BatteryManager.BATTERY_STATUS_UNKNOWN:
BatteryStatus = "未知道状态";
break;
}
switch (intent.getIntExtra("plugged",
BatteryManager.BATTERY_PLUGGED_AC)) {
case BatteryManager.BATTERY_PLUGGED_AC:
BatteryStatus2 = "AC充电";
break;
case BatteryManager.BATTERY_PLUGGED_USB:
BatteryStatus2 = "USB充电";
break;
}

switch (intent.getIntExtra("health",
BatteryManager.BATTERY_HEALTH_UNKNOWN)) {
case BatteryManager.BATTERY_HEALTH_UNKNOWN:
BatteryTemp = "未知错误";
break;
case BatteryManager.BATTERY_HEALTH_GOOD:
BatteryTemp = "状态良好";
break;
case BatteryManager.BATTERY_HEALTH_DEAD:
BatteryTemp = "电池没有电";
break;
case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
BatteryTemp = "电池电压过高";
break;
case BatteryManager.BATTERY_HEALTH_OVERHEAT:
BatteryTemp = "电池过热";
break;
}

}
}

};

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