README

PAM Native Scanner

Production barcode scanning as a focused native capability.

Combine a native camera preview with bounded QR and barcode results, deduplication, and lifecycle-safe sessions.

Documentation · Quick start · What you can build · PAM ecosystem · Issues

Why PAM Native Scanner

Combine a native camera preview with bounded QR and barcode results, deduplication, and lifecycle-safe sessions. The public API is strictly typed for PHP 8.5; expensive or frame-sensitive work stays in Rust or the platform SDK instead of crossing the application boundary every frame.


Best for	A focused capability you can add to any PAM Native application
Native path	ML Kit · VisionKit/Vision
Application model	Composer package + generated native integration
Design rule	Independent module; no feed, vertical, or application template bundled

What you can build

Retail and warehouse scanning
Tickets, access, and identity flows
QR onboarding and payment payloads

Quick start

Already have a PAM Native project? Add only this capability:

pam composer require pushinbr/pam-native-scanner
pam doctor --fix

New to PAM? Follow the five-minute PAM Native setup once, then return here. Your application stays a normal Composer project with a committed lockfile.

See it in action

Real-time QR and barcode scanning with native previews. Android uses CameraX 1.6.1 and the bundled ML Kit model 17.3.0, so first use does not depend on a model download. iOS uses AVFoundation and Vision.

pam add scanner
pam doctor

return Pam\Native\Scanner\ScannerView::make(
    Pam\Native\Scanner\BarcodeFormat::QrCode,
    Pam\Native\Scanner\BarcodeFormat::Ean13,
)->duplicateInterval(1200)->onResult(function (Pam\Native\Scanner\ScanResult $result): void {});

The analyzer keeps only the latest frame, runs outside the UI thread, closes every image proxy and suppresses duplicate values for a configurable interval. Camera permission denial and native failures are typed events. Camera usage metadata and Android permission merging are supplied by the plugin.

Platform support: Android API 26+, iOS 15+, PAM Native 0.8.x.

What installation does

pam add scanner resolves the official compatible package, performs a non-mutating Composer preflight, updates the normal composer.json and composer.lock, refreshes generated native integration when required, and leaves the project ready for pam doctor validation.

Use pam packages to inspect availability and pam remove scanner to uninstall the capability safely. Direct Composer commands are an advanced interoperability path; PAM is the supported application workflow.

API guide

API	Responsibility
`ScannerView`	Render the native preview and configure scanning.
`BarcodeFormat`	Select only the barcode symbologies the product needs.
`ScanResult`	Receive value, format, and normalized scan data.
`ScannerEventKind`	Handle typed results, permission failures, and native errors.
`CameraFacing`	Select front or back camera.

All coded states, kinds, and variants are sequential integer-backed enums. Use enum cases in application code; do not depend on raw wire numbers.

Production checklist

Request camera permission before mounting an enabled scanner.
Restrict formats to improve speed and reduce false positives.
Validate scanned values before navigation, network calls, or payment actions.
Run pam doctor, pam test, and a signed release build on every supported platform.
Exercise denial, cancellation, backgrounding, process restart, and offline behavior before release.

Troubleshooting

Preview is black: verify permission, lifecycle visibility, and camera availability.
The same code fires repeatedly: increase duplicateInterval().
A format is never recognized: include it explicitly in make().
Native integration is stale: run pam doctor --fix, rebuild the native host, and inspect the first reported diagnostic.

Compatibility and support

This package targets PAM Native 0.8.x, Android API 26+, and iOS 15+ unless a platform-specific section above states a stricter requirement. Platform SDKs, credentials, entitlements, physical hardware, and store configuration remain application responsibilities.

Security vulnerabilities should be reported through the repository security policy or GitHub private vulnerability reporting, not a public issue.

pushinbr / pam-native-scanner

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