public void systemReady(final Runnable goingCallback) {
  if (mFactoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
    try {
      List apps = AppGlobals.getPackageManager().
        getPersistentApplications(STOCK_PM_FLAGS);
      if (apps != null) {
        int N = apps.size();
        int i;
        for (i=0; i<N; i++) {
          ApplicationInfo info
            = (ApplicationInfo)apps.get(i);
          if (info != null &&
              !info.packageName.equals("Android")) {
            addAppLocked(info);
          }
        }
      }
    } catch (RemoteException ex) {
      // pm is in same process, this will never happen.
    }
  }
}

final ProcessRecord addAppLocked(ApplicationInfo info) {
    ProcessRecord app = getProcessRecordLocked(info.processName, info.uid);
    if (app == null) {
      app = newProcessRecordLocked(null, info, null);
      mProcessNames.put(info.processName, info.uid, app);
      updateLruProcessLocked(app, true, true);
    }
    if ((info.flags&(ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT))
        == (ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PERSISTENT)) {
      app.persistent = true;
      app.maxAdj = CORE_SERVER_ADJ;
    }
    if (app.thread == null && mPersistentStartingProcesses.indexOf(app) < 0) {
      mPersistentStartingProcesses.add(app);
      startProcessLocked(app, "added application", app.processName);
    }
    return app;
}

thread.attach(false);

final ApplicationThread mAppThread = new ApplicationThread();

private final void attach(boolean system) {
    sThreadLocal.set(this);
    mSystemThread = system;
    if (!system) {
      ViewRoot.addFirstDrawHandler(new Runnable() {
        public void run() {
          ensureJitEnabled();
        }
      });
      Android.ddm.DdmHandleAppName.setAppName("<pre-initialized>");
      RuntimeInit.setApplicationObject(mAppThread.asBinder());
      IActivityManager mgr = ActivityManagerNative.getDefault();
      try {
        mgr.attachApplication(mAppThread);
      } catch (RemoteException ex) {
      }
    }
}

private final boolean attachApplicationLocked(IApplicationThread thread,
  int pid) {
  thread.bindApplication(processName, app.instrumentationInfo != null
      ? app.instrumentationInfo : app.info, providers,
      app.instrumentationClass, app.instrumentationProfileFile,
      app.instrumentationArguments, app.instrumentationWatcher, testMode,
      isRestrictedBackupMode || !normalMode,
      mConfiguration, getCommonServicesLocked());
  updateLruProcessLocked(app, false, true);
  app.lastRequestedGc = app.lastLowMemory = SystemClock.uptimeMillis();
}

mInstrumentation.callApplicationOnCreate(app);