public class ServiceList extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);

  TextView tv = new TextView(this);

  ActivityManager activityManger = (ActivityManager) getSystemService(ACTIVITY_SERVICE);// 获取Activity管理器
  List<ActivityManager.RunningServiceInfo> serviceList = activityManger.getRunningServices(30);// 从窗口管理器中获取正在运行的Service
  tv.setText(getServicesName(serviceList));

  setContentView(tv);
 }

 private boolean ServiceIsStart(List<ActivityManager.RunningServiceInfo> list, String className) {// 判断某个服务是否启动
  for (int i = 0; i < list.size(); i++) {
   if (className.equals(list.get(i).service.getClassName()))
    return true;
  }
  return false;
 }

 private String getServicesName(List<ActivityManager.RunningServiceInfo> list) {// 获取所有服务的名称
  String res = "";
  for (int i = 0; i < list.size(); i++) {
   res += list.get(i).service.getClassName() + "/n";
  }
  return res;
 }
}