Android编程获取手机后台运行服务的方法

public static String getRunningServicesInfo(Context context) {
  StringBuffer serviceInfo = new StringBuffer();
  final ActivityManager activityManager = (ActivityManager) context
    .getSystemService(Context.ACTIVITY_SERVICE);
  List<RunningServiceInfo> services = activityManager.getRunningServices(100);
  Iterator<RunningServiceInfo> l = services.iterator();
  while (l.hasNext()) {
   RunningServiceInfo si = (RunningServiceInfo) l.next();
   serviceInfo.append("\npid: ").append(si.pid);
   serviceInfo.append("\n\nname:").append(si.service);
   serviceInfo.append("\n\nprocess: ").append(si.process);
   serviceInfo.append("\n\nservice: ").append(si.service);
   serviceInfo.append("\n\ncrashCount: ").append(si.crashCount);
   serviceInfo.append("\n\nclientCount: ").append(si.clientCount);
   /*serviceInfo.append("\nactiveSince: ").append(ToolHelper.formatData(si.activeSince));
   serviceInfo.append("\nlastActivityTime: ").append(ToolHelper.formatData(si.lastActivityTime));*/
   serviceInfo.append("\n============================");
   serviceInfo.append("\n\n\n");
  }
  return serviceInfo.toString();
}