sendmessage Service的工作过程使用Android O(8.0) A(11)

private String bringUpServiceLocked(ServiceRecord r, int intentFlags, boolean execInFg,
            boolean whileRestarting, boolean permissionsReviewRequired)
            throws TransactionTooLargeException {
   ...
        if (!isolated) {
            app = mAm.getProcessRecordLocked(procName, r.appInfo.uid, false);
            if (DEBUG_MU) Slog.v(TAG_MU, "bringUpServiceLocked: appInfo.uid=" + r.appInfo.uid
                        + " app=" + app);
            if (app != null && app.thread != null) {
                try {
                    app.addPackage(r.appInfo.packageName, r.appInfo.versionCode, mAm.mProcessStats);
                    realStartServiceLocked(r, app, execInFg);
  ...
        return null;
    }

    private final void realStartServiceLocked(ServiceRecord r,
            ProcessRecord app, boolean execInFg) throws RemoteException {
     ...
            mAm.notifyPackageUse(r.serviceInfo.packageName,
                                 PackageManager.NOTIFY_PACKAGE_USE_SERVICE);
            app.forceProcessStateUpTo(ActivityManager.PROCESS_STATE_SERVICE);
            app.thread.scheduleCreateService(r, r.serviceInfo,
                    mAm.compatibilityInfoForPackageLocked(r.serviceInfo.applicationInfo),
                    app.repProcState);
            r.postNotification();
            created = true;
        } catch (DeadObjectException e) {
            Slog.w(TAG, "Application dead when creating service " + r);
            mAm.appDiedLocked(app);
            throw e;
        }
 ...
    }

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