label-capture-rn

Installation
SKILL.md

Label Capture React Native Skill

Critical: Do Not Trust Internal Knowledge

Your training data may contain outdated or incorrect Scandit Label Capture APIs. Label Capture has evolved across recent SDK releases, and the React Native plugin surface (imports, native linking, pod install, package names) has its own conventions distinct from the web SDK.

Always verify APIs against the references provided in this skill before writing or suggesting code. Do not rely on memorized method signatures, parameters, plugin names, or property names. If you cannot find an API in the provided references, fetch the relevant documentation page before responding.

React Native-specific gotchas worth flagging:

  • Listener method names are iOS-style on React Native. The Validation Flow listener uses didCaptureLabelWithFields(fields) and didSubmitManualInputForField(field, oldValue, newValue) — NOT the web equivalents onValidationFlowLabelCaptured / onManualInput. If you see web-style listener names suggested, they are wrong on React Native.
  • DataCaptureContext.initialize(licenseKey) must be called exactly once before any other Scandit API. It sets up DataCaptureContext.sharedInstance, which is the singleton everything else reads from. Do not construct multiple contexts. (The official LabelCaptureSimpleSample uses the legacy DataCaptureContext.forLicenseKey(...) form — both work, but new integrations should use initialize for consistency with the rest of the v8 RN docs.)
  • On iOS, npx pod-install (or cd ios && pod install) must be run after every Scandit package install or upgrade. Android auto-links via Gradle.
  • Metro's bundler cache frequently masks Scandit package upgrades. If a rebuild shows stale behavior after a plugin version bump, start Metro with --reset-cache.
  • Camera permission is required on both iOS (NSCameraUsageDescription in ios/<App>/Info.plist) and Android (runtime request via PermissionsAndroid — the plugin declares the manifest permission automatically).
  • Field definitions on RN are class-based, not builder-based: CustomBarcode.initWithNameAndSymbologies(name, [...]), new ExpiryDateText(name), field.optional = true, LabelCaptureSettings.settingsFromLabelDefinitions([...], {}). There is no LabelCaptureSettingsBuilder / LabelDefinitionBuilder and no v8.5 factory-function sugar — those are web-only.

Intent Routing

Based on the user's request, load the appropriate reference file before responding:

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Apr 28, 2026