Android电池状态监听实例1（下）-优快云博客

本文详细解读了BatteryInfo.java文件的结构和使用方法，包括健康状态、图标ID、充电状态、技术类型等关键属性的获取与展示，提供了一个全面的电池信息查看解决方案。

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文件4：BatteryInfo.java

package com.teleca.robin;

import android.content.Intent;

import android.os.BatteryManager;

public classBatteryInfo{

int health;

int batteryIconId;

int plugged;

boolean batteryPresent;

int status;

String technology;

int temperature;

int voltage;

int level;

int scale;

publicBatteryInfo( 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》