I guss that you Android NFC does not allow use 2 nfc tech to connect a tag at the same time. Why do you use them like so? what is the user scenario?
2011/9/6 xiaoailsa <[email protected]>: > Hi all: > I have some questions about read the card(type A).I hope someone > can communicate with me and help me.Thank you very much. > Q1: I want to use two classes:IsoDep and NfcA to read a type A > card.But how to use at the same time? > →mTechLists = new String[][] { new String[] > {IsoDep.class.getName()} }; > //mTechLists = new String[][] { new String[] > {NfcA.class.getName()} }; > →public void onResume() { > super.onResume(); > mAdapter.enableForegroundDispatch(this, mPendingIntent, > mFilters, mTechLists);} > Q2: In the IsoDep class, "transceive (byte[ ] data)" means send > raw IsoDep data to the tag and receive the response. How to send data? > Q3: →public byte[] getHistoricalBytes () > The historical bytes can be used to help identify a tag. They > are present only on IsoDep tags that are based on NfcA RF technology. > If this tag is not NfcA then null is returned. > What 's the meaning? > > Thank you ! > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- Best regards calvin xie -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
