Scan QR and barcodes with camera view, laser line, flashlight, and scan with front camera.
Flashlight:
The scanner works for both cameras:
Front and Back Camera Scanner
For the scanner to work, you'll need to add the BarcodeScanner component, which comes built into App Inventor, to your design area.
This is in order to integrate the library that comes with that component.
TargetArrangement
Sets the HVArrangement where the camera view will be displayed.
ScanFromContentUri
Scan a QR or barcode from a content URI.
TurnFlashOn
Turn on the camera flash
TurnFlashOff
Turn off the camera flash
ToggleFlash
Toggles the flash state (on/off)
StartScanning
Manually start QR code scanning.
StopScanning
Stops code scanning.
RemoveScanner
Removes the camera view from the arrangement.
UseFrontCamera
Sets whether to use the front camera for scanning.
UseFrontCamera
Indicates whether the front camera is being used.
FlashOn
Indicates whether the flash is on
LaserColor
Laser line color.
LaserHeight
Laser line thickness.
LaserSpeed
Laser movement speed.
ScanningEnabled
Enable or disable continuous QR code scanning.
ScanInterval
Scan interval in milliseconds.
ScanSuccess
Fires when a code is successfully scanned.
OnScanError
v1.0Free Version June 09, 2026.
Scanner.aia (38.0 KB)
joejsanz.joedevscanner.aix (15.6 KB)
v1.1Paid Version June 09, 2026.
New features:
Zoom
SetZoom
Set the zoom level. Value should be between 1.0 (no zoom) and max zoom supported by the device.
GetCurrentZoom
GetMaxZoom
IsZoomSupported
ZoomIn
ZoomOut
CameraInitialized
- Buy the extension
v1.1.
PayPal
$5 USD
What You Will Get:
- .aix File: The compiled extension ready to import into your project.
Support & Updates Policy
- Bug Fixes: Free lifetime updates for any bug fixes related strictly to the extension's code.
- Support: Technical support is provided only for issues or errors regarding the extension's execution. It does not include personalized UI design or general app-building assistance.
Important: License Activation
- What we need: During or after the purchase, you must provide the exact email address you use to log in to MIT App Inventor.
- How it works: The extension validates your developer account email through our secure database (Firebase) during design/runtime. If the email does not match, the extension will be restricted.
- Delivery: Once your payment is confirmed and you provide your developer email address, your license will be activated as soon as possible and the
.aixfile will be delivered to you.
Note: The license is valid for one (1) developer email account.
JDK: 11
Minimum API Level: 21
Updated On: 2026-06-09T07:00:00Z
Built using: FAST-CLI v5.7.1-premium
Thanks.
