The DataLogic scanners can be configured using the Settings app (cog icon) and selecting System -> Scanner settings.
The settings are detailed in this video, go back into the StoreFeeder app once set and perform a barcode scan.
From the device main screen open Settings -> System -> Scanner settings -> Wedge
Enable keyboard wedge should be off
Enable intent wedge should be on
Intent output must be enabled
Intent delivery should be broadcast intent
Intent action should be "com.sf.barcode.action"
Intent category should be "com.sf.barcode.category"
Click commit to save the changes
Go back into the StoreFeeder app, select "I have updated the settings", click Start Configuration and scan a barcode 12345678.
This video is for a DataLogic Memor 1 but may be applicable to other DataLogic scanners.