Ionic - 4, SSL Security issue (critical vulnerability) by AndroBugs Framework

i am getting following security issue while running the AndroBugs Framework.

SSL Connection Checking:
URLs that are NOT under SSL (Total:8): http://books.google.

  •  Lcom/google/zxing/client/android/book/BrowseBookListener;- >onItemClick(Landroid/widget/AdapterView; Landroid/view/View; I J)V

  •  Lcom/google/zxing/client/android/LocaleManager;- >isBookSearchUrl(Ljava/lang/String;)Z

  •  Lcom/google/zxing/client/android/result/ResultHandler;- >openBookSearch(Ljava/lang/String;)V http://google.com/books  Lcom/google/zxing/client/android/LocaleManager;- >isBookSearchUrl(Ljava/lang/String;)Z http://maps.google.
     Lcom/google/zxing/client/android/result/ResultHandler;->getDirections(D D)V http://www.google  Lcom/google/zxing/client/android/CaptureActivity;->onResume()V http://www.google.

  •  Lcom/google/zxing/client/android/result/supplement/BookResultInfoRetriever; ->retrieveSupplementalInfo()V

  •  Lcom/google/zxing/client/android/result/ResultHandler;- >openProductSearch(Ljava/lang/String;)V http://www.google.com/books?id=  Lcom/google/zxing/client/android/book/SearchBookContentsActivity$Networ kTask;->doInBackground([Ljava/lang/String;)Lorg/json/JSONObject; http://www.google.com/books?vid=isbn  Lcom/google/zxing/client/android/book/SearchBookContentsActivity$Networ kTask;->doInBackground([Ljava/lang/String;)Lorg /json/JSONObject; http://zxing.appspot.com/scan  Lcom/google/zxing/client/android/CaptureActivity;->()V

-> I don’t know what caused this issue. Please recommend what triggers it, and how to resolve it. Thanks ahead