请问android 怎么获得是充电状态呢？

:( :o :lol:

android手机的充电情况监视–源码研究(八)

[url]http://www.hlovey.cn/2009/09/14/android-app-usb-ac.html[/url]
[code="java"]/**

• 先声明一个 IntentFilter 对象
  */
  private IntentFilter mIntentFilter;
  public void onCreate(Bundle savedInstanceState)
  {
  super.onCreate(savedInstanceState);
  
  setContentView(R.layout.main);
  mIntentFilter = new IntentFilter();
  mIntentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
  }

  protected void onResume()
  {
  super.onResume();
  
  // 注册消息处理器
  registerReceiver(mIntentReceiver, mIntentFilter);
  }

  //声明消息处理过程
  private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
  @Override
  public void onReceive(Context context, Intent intent) {
  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.d("Battery", "" + intent.getIntExtra("level", 0));
  
  //电池最大容量
  Log.d("Battery", "" + intent.getIntExtra("scale", 0));
  
  //电池伏数
  Log.d("Battery", "" + intent.getIntExtra("voltage", 0));
  
  //电池温度
  Log.d("Battery", "" + intent.getIntExtra("temperature", 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_DISCHARGING 放电中
         // BatteryManager.BATTERY_STATUS_NOT_CHARGING 未充电
         // BatteryManager.BATTERY_STATUS_FULL 电池满
         Log.d("Battery", "" + intent.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN));
  
         //充电类型 BatteryManager.BATTERY_PLUGGED_AC 表示是充电器，不是这个值，表示是 USB
         Log.d("Battery", "" + intent.getIntExtra("plugged", 0));
  
         //电池健康情况，返回也是一个数字
         //BatteryManager.BATTERY_HEALTH_GOOD 良好
         //BatteryManager.BATTERY_HEALTH_OVERHEAT 过热
         //BatteryManager.BATTERY_HEALTH_DEAD 没电
         //BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE 过电压
         //BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE 未知错误
         Log.d("Battery", "" + intent.getIntExtra("health", BatteryManager.BATTERY_HEALTH_UNKNOWN));
     }
  

  }
  };[/code]

Android中的BatteryService及相关组件

http://blog.csdn.net/absurd/archive/2009/11/16/4814858.aspx