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I downloaded Gurux.DLMS.Android-master, built it, and try to run with a Kaifa device connected through a USB/Optical cable.
The same cable is used to successfully read this device using GXDLMSDirectot but for Android I added a conversion from USB to Type-C.
The same cable with Type-C conversor works with another reader app.
The app crashes when I try to enter the Meter Settings page.
I couldn't understand from the README file if I was supposed to change something in the code.
Best regards,
Jones