AppInventor Extention for laser BarcodeScanner

I am looking for a person who will create an extension for AppInventor that will support the laser barcode scanner built into the smartphone. Specifically, I mean the HTK380 with the 1D Symbol SE965 scanner. Ht380k Computer Barcode Scanner Handheld Advanced Data Capture Android Pda Device - Buy Android Pda Device,Android Device,Pda Device Product on

I mean creating an extension similar to: AdvancedBarcodeScanner Version2 - Extensions - AppyBuilder

If someone would be able to do such an extension, please provide the price