Fernando, Thanks I could create custom image with nfc enabled by using your help.
Just to clarify myself, if we are connected to external reader, I should be able to directly read/write APDUs from my app right. should I be using NFCService.transceive(..) method to read/write from the external reader. regards malls On Jan 4, 6:17 am, Fernando Miguélez <fernando.migue...@gmail.com> wrote: > Well, options are enabled in cascade. The problem comes because the first > option is not enabled. Besides, if you look at the Wireless Settings > screen, there is only the "NFC Settings" option, but not the one that lets > you enalbe/disable NFC directly from that screen. That is beacuse the Nfc > service in not available. Connection to a computer in debug mode will draw > some light. > > Instead of compiling the whole image again I suggest you to compile just > the Nfc.apk system application and replace the original one. You must > remount /system partition in read/write mode and overwrite the apk inside > /system/app. Then you must kill the nfc service by means of DDMS view of > the ADT (you must connnect the phone in debug mode and since you have > compiled in userdebug mode you will see all the running proccesses). The > service will restart automatically. > > When it comes to read/write the card by means of an external reader, any > Mifare Classic 4K compatible RFID reader will do. If you try to access > directly to the SE from an Android application I am afraid to disappoint > you but that is not possible, at least I wasn't successful at it and nobody > I know either. The reasons are well described in other posts and on > stackoverflow. > > Regards > > > > > > > > On Wed, Jan 4, 2012 at 2:56 PM, s.rawat <imsaurabhra...@gmail.com> wrote: > > Thanks ! > > I will also try from my side recompiling it.So you mean I should get the > > Check boxes enabled for > > > *Only Card EmulationMode* > > and > > > *Use External SE* > > > My main aim is to write to the NFC card in card emulation mode so that it > > can be read by any Card Reader.is it possible after your patches are > > applied using teh android SDKs or do we have to write some native > > application. > > Rgds, > > Softy > > "..pain is temporary.....quitting lasts forever......" > > > 2012/1/4 Fernando Miguélez <fernando.migue...@gmail.com> > > >> Great work. > > >> Obviously there is something wrong with the compilation. Have you tried > >> to connect in debug mode the phone to a computer with Android Development > >> Tools and see what the traces look like. They may offer a clue. My > >> suspicion is that NfcService is crashing. I will review my notes tomorrow > >> if I find something different to the steps you followed to build the image. > > >> On Wed, Jan 4, 2012 at 9:17 AM, softy <imsaurabhra...@gmail.com> wrote: > > >>> Hi All, > >>> Thanks Fernando Miguélez Palomo for posting the patches.I have applied > >>> it to 2.3.4-r1 Android gingerbread and compiled /flashed it on Samsung > >>> Nexus S and was able to see the NFC Settings changed(though i cant select > >>> them, they are disabled) > >>> I have blogged the whole steps > >>> here<http://techshek4u.blogspot.com/2012/01/applying-card-emulation-patch-...>.Plz > >>> let me know if I miss something. > > >>> @ Fernando Miguélez Palomo > >>> What next after that.How can i test this.Any source code or tool /card > >>> reader description will be enlightening. > >>> Rgds, > >>> softy > > >>> -- > >>> You received this message because you are subscribed to the Google > >>> Groups "Android Developers" group. > >>> To post to this group, send email to android-developers@googlegroups.com > >>> To unsubscribe from this group, send email to > >>> android-developers+unsubscr...@googlegroups.com > >>> For more options, visit this group at > >>>http://groups.google.com/group/android-developers?hl=en > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "Android Developers" group. > >> To post to this group, send email to android-developers@googlegroups.com > >> To unsubscribe from this group, send email to > >> android-developers+unsubscr...@googlegroups.com > >> For more options, visit this group at > >>http://groups.google.com/group/android-developers?hl=en > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to android-developers@googlegroups.com > > To unsubscribe from this group, send email to > > android-developers+unsubscr...@googlegroups.com > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
