capacitor-barcode-scanner

Simple Barcode scanner for capacitor, shows popup camera view to scan. Supports code 128 and QR Uses Google MLKit in android, and AVFoundation on iOS

version 1.0.1 updated for capacitor 5 version 2.1.2 updated MLKit version in android

Install

npm i capacitor-barcode-scanner
npx cap sync

Capacitor Compatibility

| Plugin Version | Capacitor Version | |----------------|-------------------| | 0.0.2 | Capacitor 3 | | 1.0.1 | Capacitor 5 | | 2.0.0 | Capacitor 5 | | 2.1.1 | Capacitor 5 | | 2.1.2 | Capacitor 5 | | 2.2.0 | Capacitor 5 | | 2.3.0 | Capacitor 6 | | 2.3.1 | Capacitor 6 |

iOS

In XCode -> App info.plist add key NSCameraUsageDescription

Web implementation on 2.3.1

On versión 2.3.1+ the web versión will call an input image for QR Only detection using JSQR, this feature is experimental and for debuging purposes

API

• scan()
• multiScan(...)
• Interfaces

scan()

scan() => Promise<ScanResult>

Start scan screen This promise will fail if permission for camera is denied

Returns: Promise<ScanResult>

multiScan(...)

multiScan(opts?: MultiScanOptions | undefined) => Promise<MultiScanResult>

Start scan screen the difference vs scan is this will not close automatically, and continues scannning multiple codes ! Added in v1.1.1

| Param | Type | | ---------- | ------------------------------------------------------------- | | opts | MultiScanOptions |

Returns: Promise<MultiScanResult>

Interfaces

ScanResult

Represents a Scan Result

| Prop | Type | Description | | ------------ | -------------------- | --------------------------------------------- | | result | boolean | sucess status, its true when scanner got code | | code | string | scanned code |

MultiScanResult

Represents a Multiple scan result

| Prop | Type | | ------------ | --------------------- | | result | boolean | | count | number | | codes | string[] |

MultiScanOptions

| Prop | Type | Description | | -------------- | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------- | | maxScans | number | Max quantity of codes to scan, when reached the amount activity or viewcontroller will close and return the scanned codes, it defaults to 9999 |