Odoo Mobile WMS & Barcode Scanner (Paperless Warehouse) – GS1 Engine, Wave Picking, Cycle Counts and Rugged-Scanner Flutter App for Zebra, Honeywell and Datalogic on Odoo 19 Community
Replace the Enterprise Barcode app on Odoo Community: a GS1-aware barcode engine, receipts, deliveries and bin-to-bin moves with lots, serials and expiry, wave picking along a snake path with bin check digits, blind cycle counts with manager approval, labels, an audit log, and the Flutter scanner app source for Zebra DataWedge, Honeywell and Datalogic with camera fallback.
A complete mobile WMS: an Odoo module with the barcode engine, the operations, the waves and the counts, and the Flutter source of a rugged-scanner app for Zebra, Honeywell and Datalogic devices, with the phone camera as a fallback. It replaces the Enterprise Barcode app.
On the floor
Receipts: scan the staging bin, scan the products (a case barcode adds the whole case); lots, serials and expiry dates are asked only when needed
Deliveries and picking: lines sorted along the pick path, wrong product, expired lot or too much refused with a buzzer, bin check digits to prove you are at the right bin
Bin to bin and pallets: scan a pallet and its whole content moves in one scan
Wave picking: one picker serves many orders; a scan goes to the most urgent order first
Blind cycle counts: scan the shelf, scan the items; the expected quantity is never shown
Sound and vibration: high chime and short pulse for a good scan, deep buzzer and two long pulses for an error, an ascending double tone when the work is complete
Works offline with an outbox and idempotent operations
In the office
GS1 and barcode engine: EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14 cases, packaging, GS1-128 (lot, serial, expiry, count, weight, SSCC), weight and price barcodes; the server answers in a few milliseconds
Bins and addresses: aisle, bay, level, zone, check digits and a snake pick sequence generated for you; print bin and package labels with Code 128
Waves: create from a selection, follow the path, validate all or nothing
Cycle counts: blind or guided, by bin, aisle or zone, drift detection for moves made during the count, approval by a manager who is not the counter, booked once
Backorders and tolerance: create, none or ask; an excess within your tolerance is accepted and flagged
Audit: every scan in a log with the operator, the device and the answer time, analysis by hour and error rate
The warehouse wins: a movement that already happened (another bin, a late sync, a small excess within tolerance) is accepted and flagged for the manager, never lost. Hard errors are refused with a clear code. Every operation has a unique ID, so a retry never counts twice, and validation is atomic.
Tested
241 automated tests of the module (barcode parsing, scans for every operation, backorders and reservations, waves and path order, counts and approval, API, security, labels) on a fresh database, and 346 Dart tests and 53 Kotlin tests of the app, which was also run end to end on the iOS simulator against the real module (receipts, deliveries with a backorder, moves, a wave, a blind count approved by a manager, an offline run).
Documented
Illustrated guide in English and Arabic: install, set up Zebra DataWedge, Honeywell and Datalogic, bins and check digits, every operation, counts, labels, reports, API, security and an honest chapter on the limits.
What's included
taqnix_wms_barcode.zip: the Odoo 19 module (with Arabic translation)
flutter-app-source.zip: the Flutter source code of the scanner app
Documentation in English and Arabic (HTML and PDF), API reference, licence, changelog
Requirements
Odoo 19.0 with Inventory (Community is enough), a public https address, Flutter 3.41 to build the app, and a Zebra, Honeywell or Datalogic scanner or an Android phone or iPhone.
Not verified
No real Zebra, Honeywell or Datalogic device was available: the DataWedge profile, the intents and the trigger key codes follow the vendor documentation and are unit tested on the parsing side only. The camera, the sounds, the vibration and the battery were not tried on a device, the app was not run on an Android emulator (the debug APK builds; it was run on the iOS simulator), the Honeywell code ids are mapped only for a few symbologies, and a weight barcode resolves offline only when the product has its code. Scanning a pack barcode during a count creates a separate line. There is no manufacturing-order picking and no automatic wave planning. The guide lists every limit.
What's in the download
The files in the archive you can download after you buy.
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Usage
Install and use it in a few lines.
# is the server reachable? (no sign-in)curl https://odoo.example.com/api/wms/v1/ping# {"ok": true, "api_version": 1, "server_time": "2026-10-28T08:00:00Z"}# sign in as a warehouse operator (returns a token, the configuration and the GS1 rules)curl -X POST https://odoo.example.com/api/wms/v1/auth/login -H 'Content-Type: application/json' \ -d '{"login": "omar", "password": "...", "device": {"id": "TC52-0147", "name": "TC52 dock 1", "platform": "android", "scanner": "zebra"}}'# what is this barcode? (GS1-128 with GTIN, lot and expiry; the answer says which product, which lot and which date)curl -X POST https://odoo.example.com/api/wms/v1/resolve -H "Authorization: Bearer $TOKEN" -H 'Content-Type: application/json' \ -d '{"barcode": "010629105000040710L2610A\u001d17261118", "context": {"picking_id": 12}}'# push the queued operations: every operation has a uuid and a local_seq, a repeat changes nothingcurl -X POST https://odoo.example.com/api/wms/v1/sync -H "Authorization: Bearer $TOKEN" -H 'Content-Type: application/json' \ -d '{"device_id": "TC52-0147", "ops": [{"uuid": "9d1c...", "type": "scan", "local_seq": 41, "device_time": "2026-10-28T08:01:00Z", "payload": {"picking_id": 12, "barcode": "6291050000407", "qty": 6, "location_id": 31}}]}'
Documentation
Setup, settings and troubleshooting, written by the author.
Odoo module: server barcode resolver (GS1-128, EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14, packaging, weight and price barcodes, SSCC), scan engine for receipts, deliveries and internal moves with lots, serials, expiry, packages and tolerance, atomic validation with backorder create, none or ask, claim of transfers, waves with a snake pick path and all-or-nothing validation, blind and guided cycle counts with drift, missing items and manager approval, bin check digits, aisle, bay, level and pick sequence, bin and package labels, scan log with answer times, idempotent sync API with master data paging, devices
Flutter scanner app: scanner layer for Zebra DataWedge (profile TaqnixWMS created through SET_CONFIG), Honeywell, Datalogic, custom intents, keyboard wedge bursts, trigger keys and a camera fallback, one scan bus, offline-first engines with a local database and an outbox, sounds and haptics, screens for receipts, deliveries, moves, waves and blind counts with start and manager review, a scanner test screen, English and Arabic, 346 Dart tests and 53 Kotlin tests
Arabic translation and documentation, 241 automated tests of the module
Frequently asked questions
What do I get?+
The Odoo 19 module (barcode resolver, scan engine, receipts, deliveries, internal and pallet moves, waves, cycle counts, bin check digits and pick sequence, labels, scan log, the API of the app) and the complete Flutter source code of the scanner app for Android and iOS, documentation in English and Arabic and automated tests.
Does it need Odoo Enterprise?+
No. It works on Odoo 19 Community and depends only on Inventory, Barcodes and the GS1 nomenclature that Community already includes. It replaces the Enterprise Barcode app (stock_barcode) without using it.
Which scanners work?+
Zebra devices through DataWedge broadcast intents, Honeywell through Data Collection intents, Datalogic through DecodeWedge intents, any Android scanner that can send an intent or keys, and the camera of any phone. The intent settings follow the vendor documentation; they were not run on a physical device by the author (the guide says so). The app itself ran end to end on the iOS simulator against the module.
What barcodes does it read?+
EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14 cases, packaging barcodes, GS1-128 with lot, serial, expiry, best-before, count, weight and SSCC, weight and price EAN-13 codes, and the barcodes of bins, pallets, lots and documents. The server answers in a few milliseconds.
Is the stock safe if two people scan at once?+
A transfer belongs to the operator who claims it, every operation has a unique ID so a retry never counts twice, validation is atomic, and a cycle count can only be applied once by a manager who is not the counter.
What happens when the warehouse does something the system did not expect?+
The movement is accepted and flagged for the manager: another bin, a small excess within your tolerance, a lot substituted, a sync that arrives late. Only hard errors are refused: closed transfer, missing lot, duplicate serial, expired lot, over-pick beyond the tolerance.
Can I use it without lots or packages?+
Yes. Lots, serials, expiry, packages, multi-step locations and several warehouses work when you use them and stay out of the way when you do not.
Is it available in Arabic?+
Yes. The module and the documentation come in English and Arabic.
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