I have developed a mobile service for buying tickets online . “Online” in my application meant that my phone using a Socket connected to my laptop via Wi-Fi and sends him JSON which sealed object that keeps the order data, then laptop save it in Postgresql database, and then the phone save same information in a local SQLite database .Server part I also wrote by myself, server open ServerSocket that waits for connections on the specified port , and when the connection is made it make saving order.
- Android SDK
- multithreading
- Web Sockets
- Postgresql database
- SQLite database
- Spring Framework(in server side)
- JSON