madcamp_week2 Android application that have contacts, gallery and chat using nodejs and mongoDB. Reference https://dev.to/medaymentn/creating-a-realtime-chat-app-with-android--nodejs-and-socketio-4o55 https://www.androidhive.info/2016/04/android-glide-image-library-building-image-gallery-app/ https://github.com/sangeuni/2018_madcamp http://programmerblog.net/nodejs-file-upload-tutorial/