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Connecting a OTG enabled phone to a USB device that is not handled by the OS (i.e. not a keyboard, mouse or mass storage device) -
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Eduardo Alperin  
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 More options Oct 4 2012, 10:22 am
From: Eduardo Alperin <edr...@gmail.com>
Date: Thu, 4 Oct 2012 07:22:39 -0700 (PDT)
Local: Thurs, Oct 4 2012 10:22 am
Subject: Connecting a OTG enabled phone to a USB device that is not handled by the OS (i.e. not a keyboard, mouse or mass storage device) -
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I created a small USB device and expected the Android phone to provide some
kind of feedback when the device is connected and there is no app that
receives the intent that is created.

The following facts were noticed:
(b) Even if a new devices connection appears in the logs Android doesn't
show notifications of the devices connected with the exception of mass
storage and  HIV devices
(a) The USB host mode seems unstable. Using Android version - 4.0.3 On
different phones (Samsung NOTE and  S2) - In the first the device is
recognized ( based on logs) in in the other not.

Does anyone have related experience with this? Anyway to have a popup that
calls for action to download an app?

Thanks!


 
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Tux Leonard  
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 More options Oct 4 2012, 7:48 pm
From: Tux Leonard <tuxl...@gmail.com>
Date: Fri, 5 Oct 2012 01:45:39 +0200
Local: Thurs, Oct 4 2012 7:45 pm
Subject: Re: [android-developers] Connecting a OTG enabled phone to a USB device that is not handled by the OS (i.e. not a keyboard, mouse or mass storage device) -
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I am using a USB to Serial adapter on my Samsung Nexus phone (Jelly Bean)
and it works fine. I use the "Slick USB 2 Serial Terminal" application and
the device gets detected  and works.

At the moment I write my own example to send and recive messages over RS232
but it's just at the beginning. Up to now the UsbManager detects one USB
device if I connect the adapter.

Roy

2012/10/4 Eduardo Alperin <edr...@gmail.com>


 
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