install the packages below:
pyqt5
pyqt5-tools
pprint
requests
To run the program, first run server.py python server.py . And then python client.py on command line to open the app. Open client window more than one.
Write your nickname and connect. As soon as client connects, the app initially will read the old messages from Firebase database and display all.
When clients send a message, it will not only be transmitted to other clients, but also will be saved to the database.
