I did re-flashing from the patched Android Source and again the same
thing.Here are the logcat logs on clicking the NFC Settings :
D/dalvikvm( 298): GC_EXPLICIT freed 91K, 45% free 3160K/5703K, external
4731K/5234K, paused 290ms
I/ActivityManager( 106): Starting: Intent { act=android.intent.action.MAIN
cmp=com.android.settings/.WirelessSettings } from pid 493
D/dalvikvm( 493): GC_EXTERNAL_ALLOC freed 55K, 50% free 2933K/5831K,
external 2878K/3220K, paused 20ms
E/NFC ( 493): could not retrieve NFC service
I/ActivityManager( 106): Displayed com.android.settings/.WirelessSettings:
+351ms
D/dalvikvm( 493): GC_EXTERNAL_ALLOC freed 43K, 49% free 3022K/5831K,
external 3171K/3241K, paused 21ms
I/ActivityManager( 106): Starting: Intent { act=android.intent.action.MAIN
cmp=com.android.settings/.nfc.NfcSettings } from pid 493
I/ActivityManager( 106): Displayed com.android.settings/.nfc.NfcSettings:
+261ms
Any clue on this.
Rgds,
Saurabh
"..pain is temporary.....quitting lasts forever......"
2012/1/4 Fernando Miguélez <[email protected]>
> 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 <[email protected]> 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 <[email protected]>
>>
>>> 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 <[email protected]> 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-to_03.html>.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
>>>>
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