This is a simple Android chat application which communicate with a Java server program. This tutorial will help you to understand socket programming in Android which sends information both ways.
To run this application, first execute the server program. You can run this application in your PC.
Then execute the client program. You can use your Android emulator or your Android device. If you are using Android emulator you can use IP address 10.0.2.2 to connect your sever which is running in the same computer. But if you are using an Android device you may have to change the IP address in the client app code according to your network configuration.
Once you execute the client app, the chat window will be opened in the server program. Type the message on the chat box and press "Send" button. The message will be appeared in the other end.
|Android Chat App|
Following are the source codes of the main components of both programs.
Android Chat Application
Following are the both Android client and Java server complete projects. You can clone or download them as zips from Git-Hub.
Git-Hub HTTPS clone URL: https://github.com/lakjcomspace/AndroidChatClientServer.git
Git-Hub Repository URL: https://github.com/lakjcomspace/AndroidChatClientServer
Download as a Zip: https://github.com/lakjcomspace/AndroidChatClientServer/archive/master.zip
You can run the projects by importing them to the IDE. Or just create you own project and copy and paste above source files.