Yes.Because i want to read and write typeA card. The NfcA have deal with ATQA and SAK; and the IsoDep have deal with setTimeout and so on. But i don't know how they transceive (data),then can read the card success.
On 9月6日, 下午3时52分, xie calvin <[email protected]> wrote: > 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 aboutreadthecard(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 toreada 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- 隐藏被引用文字 - > > - 显示引用的文字 - -- 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
