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I want to get the scanned result in my android app .
the situation is that. I have a USB QR device connected with my android tablet. I have to scan some QR that has large data like 600 - 1000 characters.
By default, Qr was in USB HID Keyboard Mode but I have changed it to USB SErial mode to get the result in a block as USB HID Keyboard emulation send data character by character which takes a lot of time to complete 1000 characters.

Now i want to get data in USB serial Mode.

What I have tried:

I have tried onKeyDown event for USB HID Keyboard emulation but it through this it was sending data chracter by chracter which takes alot of time which is not helfull in my case.

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