Hi,all!
I hava a problem with phone read and write NFC card . Read
different card ,i must ues different acitivity.But i want to a
acitivity can read different card .What can i do??
The more serious is: Read the same card , i need insert card in
the different activaty repeatedly .I wanted t
Hi:
I want to write ndef message in the mifare ultralight card , and
communicate with NFC phone. For example:first i write "http://
www.google.com" in to the card, than the phone contact with the card ,
the application will desplay "http://www.google.com"and open the
internet.
Now, i can wri
We have known that Phone and Reader can transfer data in the P2P
mode .But i have a problem with it:
In the P2P mode, whether to support the mobile phones and card reader
transfer files, pictures, audio and other formats? How to do it? Can
someboby tell me?
Thank you with your answers!
--
You re
Hi,have anyone know how to increment \decrement\restore in the mifare
classic??
I'm very worry about this program.Could you help me ?
On 9月20日, 下午2时03分, xiaoailsa wrote:
> Hi,everyone!
> I have learn nfc phone how to read different card. For the Mifare
> Classic, i have a pro
Hi,everyone!
I have learn nfc phone how to read different card. For the Mifare
Classic, i have a problem for value block.
For the MifareClassic api , i can read and write with nfc phone. But i
can't decrement,increment,restore, transfer.
The api is :decrement(int blockIndex, int value) "Decrement a
Hi,Michael!Thanks your hints!
I have try read smart card,this is my program:
"
Tag tagFromIntent = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
IsoDep tag = IsoDep.get(tagFromIntent);
try{
tag.connect();
tag.setTimeout(20);
byte[] commandAPDU= new byte[]{
(byte)0x00, (byte)0xA4, (byte)0x04, (b
Hi,Michael!Thanks your answer.
I need to read and write ISO 14443-4 smart card .I had used
"mTechLists = new String[][] { new String[]
{ NfcA.class.getName() } }"
"NfcA tag=NfcA.get(tagFromIntent)".How to use IsoDep? The problem with
me for a long time.
Next, What I should do? Can give me some hin
Hello,everyboby!
I hava learn how to read nfc card.When i read the typeA
card ,i have some problem.
In the protcet, i ues these:
Tag tagFromIntent =
intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
NfcA tag=NfcA.get(tagFromIntent);
and i can get the ATQA,SAK,but
I want to use two classes:IsoDep and NfcA .But how to use at
thesametime?
→mTechLists = new String[][] { new String[]
{IsoDep.class.getName()} };
//mTechLists = new String[][] { new String[]
{NfcA.class.getName()} };
→public void onResume() {
super.onRes
Hi,everyone!
I have a problem in read card for the android 2.3.4 phone. Who can
help me ?Thank you very much !
The using the foreground dispatch system say:" set up an array of
tag technologies that your application wants to handle. Call the
Object.class.getName() method to obtain the class
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 :
>
>
>
>
>
> > Hi all:
> > I have some questions aboutreadthecard(type A).I hope someone
> > ca
Book is your best teacher . Write some codes by youself.
On 9月6日, 下午3时52分, felix wrote:
> i am a newbie. i want to learn andoird. who can share some experience.
> thanks.
> Are there any good books and videos?
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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
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