Hi Dave, If the other terminal supports P2P and com.android.npp (NDEF Push Protocol) then you can talk to it. We'll be publishing a spec for NPP soon.
Nick On Mon, Feb 28, 2011 at 12:30 PM, davemac <[email protected]> wrote: > But that means you can't use your Android device at one of those point- > of-sale terminals that can read NFC tags, right? The bit in the > documentation about com.android.npp is confusing since I can't find > any information on that package anywhere. So I assume that only > Android devices can participate in the NFC P2P interaction. I know you > can't give a date of when card emulation would be available, but can > you at least say that it's being worked on and that we may see it > someday? > > I appreciate your help. The Android team is great for spending time in > these forums. It really helps a lot. > > - dave > > On Feb 28, 10:54 am, Nick Pelly <[email protected]> wrote: > > Hi Dave, > > > > Correct, we do not support Card Emulation in the SDK. It's actually very > > hard to do this in a consistent way across the Android platform, due to > the > > current hardware architecture of NFC. Different NFC hardware can > > support Card Emulation in very different ways, to the point where its > very > > hard to design a useful and consistent API. > > > > Peer-to-peer is the way to go. We have just one API call for this now - > > NfcAdapter.enableForegroundNdefPush() but it is surprisingly powerful. > > > > Nick > > > > On Fri, Feb 25, 2011 at 9:33 AM, davemac <[email protected]> wrote: > > > I'm no NFC guru, but from what I can tell of the docs and the samples, > > > there's no way to do card emulation on an Android device at this time, > > > using the SDK. Is that correct? > > > > > I see the published classes/methods for reading/writing tags, and for > > > the Ndef push using P2P and the mysterious com.android.npp package > > > (anyone know where there's more information on that?). But that > > > doesn't get me to turning the Android device into whatever tag I want > > > it to be read as by some other NFC reader, at least I'm pretty sure it > > > doesn't. Unless the NFC sensor reads and writes my device's tag if > > > there happens to be one on the device. Is that how it's supposed to > > > work? If that last part is true, is there some sort of convention on > > > how I recognize "my" tag as compared to any other tag I come into > > > contactless with? > > > > > I saw posts describing how to do this from the NDK level but I'm > > > asking about from the SDK level. I also saw source code with > > > unpublished methods for card emulation, which leads me to believe that > > > it's just not possible, yet. > > > > > Thanks for any help on this. > > > > > -- > > > 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 > > -- > 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 > -- 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
