An android app which you can send messages who registered in this application
Some pictures from an app
apk link: https://github.com/mirzemehdi/onlinecontacts/raw/master/apk/onlinecontacts.apk
Firebase Database - For saving users ,messages,images in real-time database
Picasso - for getting image from url
Process Button - When Register for user-friendly
RecylerView - for showing users,messages in the list
CardView - in list row
This app loads datas dynamic(part by part).While other datas are loading there is progress button like in Instagram.
----Developed by Mirzamehdi Karimov----