Android电池状态监听实例1（下）

文件4：BatteryInfo.java

package com.teleca.robin;
import android.content.Intent;
import android.os.BatteryManager;
public class BatteryInfo {
int health;
int batteryIconId;
int plugged;
boolean batteryPresent;
int status;
String technology;
int temperature;
int voltage;
int level;
int scale;
public BatteryInfo(Intent intent)
{
String action = intent.getAction();
if (!Intent.ACTION_BATTERY_CHANGED.equals(action))
return;
health=intent.getIntExtra(BatteryManager.EXTRA_HEALTH,BatteryManager.BATTERY_HEALTH_UNKNOWN);
batteryIconId=intent.getIntExtra(BatteryManager.EXTRA_ICON_SMALL,-1);
plugged=intent.getIntExtra(BatteryManager.EXTRA_PLUGGED,
-1);
batteryPresent=intent.getBooleanExtra(BatteryManager.EXTRA_PRESENT,
false);
status=intent.getIntExtra(BatteryManager.EXTRA_STATUS,
BatteryManager.BATTERY_STATUS_UNKNOWN);
technology=intent.getStringExtra(BatteryManager.EXTRA_TECHNOLOGY);
temperature=intent.getIntExtra(BatteryManager.EXTRA_TEMPERATURE,
-1);
voltage=intent.getIntExtra(BatteryManager.EXTRA_VOLTAGE,
-1);
level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL,
0);
scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE,
100);
}
public String toString()
{
StringBuffer strBuffer=new StringBuffer(50);
strBuffer.append("information for battery\n");
strBuffer.append("health :");
switch(health)
{
case BatteryManager.BATTERY_HEALTH_DEAD:
strBuffer.append("BATTERY_HEALTH_DEAD");
break;
case BatteryManager.BATTERY_HEALTH_GOOD:
strBuffer.append("BATTERY_HEALTH_GOOD");
break;
case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
strBuffer.append("BATTERY_HEALTH_OVER_VOLTAGE");
break;
case BatteryManager.BATTERY_HEALTH_UNKNOWN:
strBuffer.append("BATTERY_HEALTH_UNKNOWN");
break;
case BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE:
strBuffer.append("BATTERY_HEALTH_UNSPECIFIED_FAILURE");
break;
default:
strBuffer.append("BATTERY_HEALTH_UNKNOWN");
break;
}
strBuffer.append("\n");
strBuffer.append("iconId:"+batteryIconId);
strBuffer.append("\n");
strBuffer.append("Power source:");
switch(plugged)
{
case 0:
strBuffer.append("batter");
break;
case BatteryManager.BATTERY_PLUGGED_AC:
strBuffer.append("AC charger");
break;
case BatteryManager.BATTERY_PLUGGED_USB:
strBuffer.append("USB charger");
break;
default:
strBuffer.append("unkonow charger");
break;
}
strBuffer.append("\n");
strBuffer.append("present:"+batteryPresent);

strBuffer.append("\n");
strBuffer.append("status: ");
switch(status)
{
case BatteryManager.BATTERY_STATUS_CHARGING:
strBuffer.append("charging");
break;
case BatteryManager.BATTERY_STATUS_DISCHARGING:
strBuffer.append("discharging");
break;
case BatteryManager.BATTERY_STATUS_FULL:
strBuffer.append("full");
break;
case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
strBuffer.append("not charing");
break;
}
strBuffer.append("\n");
strBuffer.append("technology:"+technology);
strBuffer.append("\n");
strBuffer.append("温度： "+temperature+"\n");
strBuffer.append("电压："+voltage+"\n");
strBuffer.append("剩余电量："
+ String.valueOf(level * 100 / scale)
+ "%");
return strBuffer.toString();
}

}

注意：更多内容请参考《Android电池状态的监听》