code: package com.lody.virtual.client.ipc;
  
  import android.content.Context;
  import android.os.Bundle;
  import android.os.IBinder;
  import android.os.RemoteException;
  
  import com.lody.virtual.client.core.VirtualCore;
  import com.lody.virtual.helper.compat.BundleCompat;
  import com.lody.virtual.helper.utils.VLog;
  import com.lody.virtual.server.ServiceCache;
  import com.lody.virtual.server.interfaces.IServiceFetcher;
  
  /**
   * @author Lody
   */
  public class ServiceManagerNative {
  
      public static final String PACKAGE = "package";
      public static final String ACTIVITY = "activity";
      public static final String USER = "user";
      public static final String APP = "app";
      public static final String ACCOUNT = "account";
      public static final String JOB = "job";
      public static final String NOTIFICATION = "notification";
      public static final String VS = "vs";
      public static final String DEVICE = "device";
      public static final String VIRTUAL_LOC = "virtual-loc";
  
      public static final String SERVICE_DEF_AUTH = "virtual.service.BinderProvider";
      private static final String TAG = ServiceManagerNative.class.getSimpleName();
      public static String SERVICE_CP_AUTH = "virtual.service.BinderProvider";
  
      private static IServiceFetcher sFetcher;
  
      private static IServiceFetcher getServiceFetcher() {
          if (sFetcher == null || !sFetcher.asBinder().isBinderAlive()) {
              synchronized (ServiceManagerNative.class) {
                  Context context = VirtualCore.get().getContext();
                  Bundle response = new ProviderCall.Builder(context, SERVICE_CP_AUTH).methodName("@").call();
                  if (response != null) {
                      IBinder binder = BundleCompat.getBinder(response, "_VA_|_binder_");
                      linkBinderDied(binder);
                      sFetcher = IServiceFetcher.Stub.asInterface(binder);
                  }
              }
          }
          return sFetcher;
      }
  
      public static void ensureServerStarted() {
          new ProviderCall.Builder(VirtualCore.get().getContext(), SERVICE_CP_AUTH).methodName("ensure_created").call();
      }
  
      public static void clearServerFetcher() {
          sFetcher = null;
      }
  
      private static void linkBinderDied(final IBinder binder) {
          IBinder.DeathRecipient deathRecipient = new IBinder.DeathRecipient() {
              @Override
              public void binderDied() {
                  binder.unlinkToDeath(this, 0);
              }
          };
          try {
              binder.linkToDeath(deathRecipient, 0);
          } catch (RemoteException e) {
              e.printStackTrace();
          }
      }
  
      public static IBinder getService(String name) {
          if (VirtualCore.get().isServerProcess()) {
              return ServiceCache.getService(name);
          }
          IServiceFetcher fetcher = getServiceFetcher();
          if (fetcher != null) {
              try {
                  return fetcher.getService(name);
              } catch (RemoteException e) {
                  e.printStackTrace();
              }
          }
          VLog.e(TAG, "GetService(%s) return null.", name);
          return null;
      }
  
      public static void addService(String name, IBinder service) {
          IServiceFetcher fetcher = getServiceFetcher();
          if (fetcher != null) {
              try {
                  fetcher.addService(name, service);
              } catch (RemoteException e) {
                  e.printStackTrace();
              }
          }
  
      }
  
      public static void removeService(String name) {
          IServiceFetcher fetcher = getServiceFetcher();
          if (fetcher != null) {
              try {
                  fetcher.removeService(name);
              } catch (RemoteException e) {
                  e.printStackTrace();
              }
          }
      }
  
  }
  