BatteryReceiver.java     广播机制

package com.example.batterydemo;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.os.BatteryManager;import android.util.Log;public class BatteryReceiver extends BroadcastReceiver {    @Override    public void onReceive(Context arg0, Intent intent) {        // TODO Auto-generated method stub        String action = intent.getAction();        // 要看看是不是我们要处理的消息        if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {            // 电池电量，数字            Log.i("Battery", "★电池电量★：" + intent.getIntExtra("level", 0));            // 电池最大容量            Log.i("Battery", "★电池最大容量★：" + intent.getIntExtra("scale", 0));            // 电池伏数,电池的电压            Log.i("Battery", "★电池伏数★：" + intent.getIntExtra("voltage", 0));            // 电池温度（单位：摄氏度）            Log.i("Battery", "★电池温度★：" + intent.getIntExtra("temperature", 0));            // 取得电池类型            Log.i("Battery", "★电池类型★：" + intent.getStringExtra("technology"));            // 取得电池对应的图标ID            Log.i("Battery",                    "★取得电池对应的图标ID★:" + intent.getIntExtra("icon-small", 0));            /** 电池状态，返回是一个数字 */            // BatteryManager.BATTERY_STATUS_CHARGING 表示是充电状态            // BatteryManager.BATTERY_STATUS_NOT_CHARGING 表示电池不充电状态            // BatteryManager.BATTERY_STATUS_DISCHARGING 放电中            // BatteryManager.BATTERY_STATUS_NOT_CHARGING 未充电            // BatteryManager.BATTERY_STATUS_FULL 电池满            Log.i("Battery","★电池状态★:"                        + intent.getIntExtra("status",                            BatteryManager.BATTERY_STATUS_UNKNOWN));            Log.i("Battery", "充电状态:" + BatteryManager.BATTERY_STATUS_CHARGING);            Log.i("Battery", "电池不充电状态:"                    + BatteryManager.BATTERY_STATUS_NOT_CHARGING);            Log.i("Battery", "放电中:" + BatteryManager.BATTERY_STATUS_DISCHARGING);            Log.i("Battery", "未充电:"                    + BatteryManager.BATTERY_STATUS_NOT_CHARGING);            Log.i("Battery", "电池满:" + BatteryManager.BATTERY_STATUS_FULL);            /** 充电类型 */            Log.i("Battery", "★充电类型★ :" + intent.getIntExtra("plugged", 0));            Log.i("Battery", "交流电电源:" + BatteryManager.BATTERY_PLUGGED_AC);            Log.i("Battery", "USB电源:" + BatteryManager.BATTERY_PLUGGED_USB);            /** 电池健康情况，返回也是一个数字 */            // BatteryManager.BATTERY_HEALTH_GOOD 电池健康            // BatteryManager.BATTERY_HEALTH_OVERHEAT 电池过热            // BatteryManager.BATTERY_HEALTH_DEAD 电池损毁            // BatteryManager.BATTERY_HEALTH_UNKNOWN 未知状态            // BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE 电池电压过大            // BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE 未明示故障            Log.i("Battery",                    "★电池健康情况★:"                            + intent.getIntExtra("health",                                    BatteryManager.BATTERY_HEALTH_UNKNOWN));            Log.i("Battery", "电池健康:" + BatteryManager.BATTERY_HEALTH_GOOD);            Log.i("Battery", "电池过热:" + BatteryManager.BATTERY_HEALTH_OVERHEAT);            Log.i("Battery", "电池损毁:" + BatteryManager.BATTERY_HEALTH_DEAD);            Log.i("Battery", "未知状态:" + BatteryManager.BATTERY_HEALTH_UNKNOWN);            Log.i("Battery", "电池电压过大:"                    + BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE);            Log.i("Battery", "未明示故障:"                    + BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE);                    }    }}

 

BatteryActivity.java      Activity页面

package com.example.batterydemo;import android.app.Activity;import android.content.Intent;import android.content.IntentFilter;import android.os.Bundle;public class BatteryActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        // TODO Auto-generated method stub        super.onCreate(savedInstanceState);        super.setContentView(R.layout.main);        BatteryReceiver breceiver = new BatteryReceiver();        IntentFilter intentFinter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);        BatteryActivity.this.registerReceiver(breceiver, intentFinter);    }}

 

AndroidManifest.xml     配置文件