Barcode Scanner¶
Non-Visible component| Category | Requires | Version |
|---|---|---|
| Sensors | API 21, Android 5.0 Lollipop | 2 |
Overview¶
A non-visible component that reads barcodes from the device''s camera.
Permissions
Events¶
After Scan¶
Indicates that the scanner has read a (text) result and provides the result
| Params | |
|---|---|
| result | Text |
Methods¶
Do Scan¶
Begins a barcode scan, using the camera. When the scan is complete, the AfterScan event will be raised.
Properties¶
Result¶
Text 
Read - Blocks
Text result of the previous scan.
Use External Scanner¶
Boolean Default: False Read Write - Designer Blocks
If true App Inventor will look for and use an external scanning program such as "Bar Code Scanner."