SBS: Creating a Socket Client in Android 01 - a Foreground Service

To test the Java socket server I've created days before, I decided to write an Android application. The main function of this application is to upload the GPS information

SBS: Using Java to Create a Socket Server 02 - Build the Code Structure

Since the goal is to create a common Socket server, which means it can be used in very different occasions, I need a good structure to support it.