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In this blog, I am describing to implement USB Printer in react native Application. it is the toughest task to implement printer in our Application. I have learned many libraries and found a library “react-native-usb-printer” that supports for Android Platform. It is very easy to use. It detects all connected USB Printer to our device if we got All Printer select one of them as a default Printer.
To integrate react-native-usb-printer with the rest of your react app just execute:
Find Printer Devices & Connect one of them-
Generate Text for printing-
We have to Note that it print only text String that encodes in “encoding: ‘GBK’ ” System. It Provides it’s own format to print our text. There are following some formatted TAG that supports by this library.
Printing Text via Connected Printer-
By this library, we print our page by two types-
Printing Page Image-
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For More detail for merging Android Manifest click here
1. Is it possible to print image on top of the receipt with this library.
2. Does it support printing HTML document.
3. How to align text to the extreme right in a string literal.
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