private Intent startActivityProcess(int userId, ActivityRecord sourceRecord, Intent intent, ActivityInfo info) {
        intent = new Intent(intent);
        ProcessRecord targetApp = mService.startProcessIfNeedLocked(info.processName, userId, info.packageName);
        if (targetApp == null) {
            return null;
        }
        Intent targetIntent = new Intent();
        targetIntent.setClassName(VirtualCore.get().getHostPkg(), fetchStubActivity(targetApp.vpid, info));
        ComponentName component = intent.getComponent();
        if (component == null) {
            component = ComponentUtils.toComponentName(info);
        }
        targetIntent.setType(component.flattenToString());
        StubActivityRecord saveInstance = new StubActivityRecord(intent, info,
                sourceRecord != null ? sourceRecord.component : null, userId);
        saveInstance.saveToIntent(targetIntent);

        if (((info.flags & ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS) != 0)) {
            intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
        }
        return targetIntent;
    }