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();}