Android barcode scanner with ML-Kit vision api

Mahdi Javaheri

Last update: Dec 26, 2022

Related tags

App MLBarcodeScanner

Overview

MLBarcodeScanner

A demo project to show how to implement barcode scanner using Google ML-Kit Vision api

Supported barcode types

2D formats: QR Code, Aztec, Data Matrix, PDF417
Linear formats: Codabar, Code 39, Code 93, Code 128, EAN-8, EAN-13, EAN-128, ITF, UPC-A, UPC-E

Usage

There are two types of dependency for barcode scanning using ML-Kit vision

Bundled model

(with 3-10 MB increase in apk size)

Use this dependency

implementation 'com.google.mlkit:barcode-scanning:17.0.2'

Unbundled

(with no increase in apk size but downloaded from Google Play Services on demand)

Use this dependency

implementation 'com.google.android.gms:play-services-mlkit-barcode-scanning:17.0.0'

Also you can optimize it to download models immediately after installing from Play Store by adding this meta-data to your AndroidManifest.xml

<meta-data
    android:name="com.google.mlkit.vision.DEPENDENCIES"
    android:value="barcode" />

Reference

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