Android Question Send Payload via NFC

Adam Van Zalinge

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I have found the tutorial for reading NFC tags, but nothing for sending NFC data. I want to make an app that can "replay" an NFC tag. I have an employer provided NFC Train bus pass that I would like to save to my phone and not have to keep it with me any more.

Can this be done?
 

DonManfred

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AFAIK you are not able to WRITE to NFC-Tags in B4A. The Lib doesn´t handle it. You just can read a tag.

Or maybe i disunderstood what you mean with "replay" a NFC tag...
 
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rboeck

Well-Known Member
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Longtime User
Hi,

i have made experiments with ncf writing, using the share function. I tried to use 'Tagstand writer' and 'Tagwriter'. My code is able to send via share an VCF File to Gmail, Skype, SMS Bluetooth and many other apps, but when i use tagwriter i get 'unknown java.lang.NullpointerExeption. Maybe it has something to do with the encoding in utf8; has anyone found an solution for writing?
 
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