Real Time Scan

An android app that communicates with a local server using a reliable, low-latency communication protocol (MQTT).

The application keeps the front camera of the device active for scanning QR/barcodes in parallel with receiving messages.

Every 2 seconds, the server will sends a message to the app, which the app acknowledges after receiving.

Libraries used

1. MQTT - Eclipse Paho MQTT Android Link - https://github.com/eclipse/paho.mqtt.android

2. Barcode Scanner - journeypp/zxing-android-embedded Link - https://github.com/journeyapps/zxing-android-embedded

Server setup:

MQTT Aedes Broker using Node.js

File link - https://drive.google.com/file/d/1k2KCNPM-hCv5JIj1dW2q7_wrX_rKcFu9/view?usp=sharing

App logo