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To: bitcoin-development@lists.sourceforge.net
From: Andreas Schildbach <andreas@schildbach.de>
Date: Fri, 07 Mar 2014 09:45:43 +0100
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Subject: Re: [Bitcoin-development] Instant / contactless payments, IsoDep
Precedence: list

I doubt that this is possible (with the Android API). But I'll try.


On 03/06/2014 06:00 PM, Mike Hearn wrote:
> I think maybe the way you do it is to have a NDEF tag that triggers the
> app, and then that starts an IsoDep protocol once opened. I *think*.
> 
> 
> On Thu, Mar 6, 2014 at 5:55 PM, Andreas Schildbach
> <andreas@schildbach.de <mailto:andreas@schildbach.de>> wrote:
> 
>     On 03/06/2014 03:51 PM, Andreas Schildbach wrote:
> 
>     >>     I'm not sure if iso-dep is the way to go here. Afaik as soon
>     as you pick
>     >>     up the phone the connection breaks.
>     >>
>     >> If the phone isn't willing to immediately authorise then it'd have to
>     >> fall back to HTTPS or Bluetooth as normal.
>     >
>     > Ok, that would be an option.
> 
>     One of the first things to explore is if its possible to dispatch
>     different isodep applications to different apps. I know you can add an
>     intent filter matching action=android.nfc.action.TECH_DISCOVERED and a
>     custom "tech filter" android.nfc.tech.IsoDep. However, as long as there
>     is no mime type or similar concept, apps will always fight for access to
>     IsoDep endpoints. We will want to avoid that situation.
> 
> 
> 
> 
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