The current NPP API's do not encourage the use of NPP for challenge/response.
However you can use NPP to exchange enough information to switch to Bluetooth, for which we have public API's for an RFCOMM channel. Cheers, Nick On Mon, May 30, 2011 at 1:02 PM, André Cruz <andrefc...@gmail.com> wrote: > Hello. > > I've successfully established a LLCP connection between a SCL3711 desktop > reader (using nfcpy) and a Nexus S. I've also implemented NPP client and > server support so I can send NDEF messages from the desktop and receive them > on the Android, and vice-versa. > > But I am struggling with the Android NFC API to accomplish something as > simple as receiving a NPP message first, and then sending a response also > via NPP. This is because the enableForegroundNdefPush() call has to be > executed on the onResume() method and the NdefPushClient only sends the > message if it is available as soon as the LLCP channel is established. > > In my use case the phone would be put next to my reader, which would > trigger the establishment of a LLCP channel, and the reader would push an > NDEF message. My application is launched, it is the only one that catches > that specific intent, and produce a NDEF response based on the NDEF received > and would push it to the reader via enableForegroundNdefPush(). But by now > the LLCP channel is established, so the message does not get sent, and my > application is processing the onNewIntent() method so I can't > use enableForegroundNdefPush(). > > Am I doing something wrong? Surely this simple use case must be possible to > implement. > > Thanks, > André > > -- > 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
