Remote Barcode Reader suite
Android app and Python library for turning mobile phone into a remotely controllable Barcode/QR code reader.
It exposes a simple JSON API via WebSocket server running on the mobile device.
API
App -> Server examples:
{"text":"V1.00051.31","format":"QR_CODE","raw_bytes":"..."}
Server -> App examples:
rich text" } ">
{ "cmd": "show_toast", "text": "toast text" }
{ "cmd": "play_sound", "name": "default", "volume": 100 }
{ "cmd": "set_text", "text": "plain text" }
{ "cmd": "set_html", "html": "ID: rich text" }
Tools
reader.py
Example
python -m tools.reader --host 192.168.1.14 --extract 3:-3 --mode type-enter-up
It connects to mobile app and waits for scans. Each scan is trimmed by 3 characters from the beginning and the end and code is typed to currently active application (eg. Microsoft Excel). Then, it presses Enter key followed by Up key (so it stays in the same cell).
Usage
python -m tools.reader [-h] --host IP [--extract DEF] [--mode MODE] [--sound NAME] [--sound-volume VOLUME]
optional arguments:
-h, --help show this help message and exit
--host IP Mobile phone IP address
--extract DEF Extract part of the scanned code. X:Y where X and Y are respectively start and end positions
--mode MODE Mode (print, type-enter or type-enter-up)
--sound NAME Name of the sound effect to be played after successful scan, default: default
--sound-volume VOLUME
Sound volume (0-100), default: 100
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