Hi,

The only other way I'm aware of is just mirroring the tablet screen to the 
HDMI device using a HDMI cable connection, but that does not satisfy your 
requirement of different content on the two screens & it also means the 
tablet is tethered with the (short) HDMI cable.

It would be great if we could just somehow simply create an secondary 
'external HDMI activity or widget' & display context as we would any other 
activity (but with no user interaction, you'd be using the main tablet 
activity to control the HDMI content etc) but that's not yet possible as 
far as I am aware - someone please tell me otherwise. It would also be good 
to be able to do this without the 'register your app' requirements of 
Chromecast & also relegate the necessary configuration details to an 
Android Settings screen - controlled by the user outside of your 
application.  

The Chromecast method seems to be a good (but somewhat complicated) way to 
go as you don't need to be tethered by a cable between the tablet & HDMI, 
the comms is via WIFI & you don't necessarily need to write any code on the 
Chromcast side if you can use the default receiver - 
https://developers.google.com/cast/docs/receiver_apps#Styled

A completely different solution would be to mirror one Android device 
(tablet) to the HDMI output & then use a second Android device (connected 
over wifi or bluetooth) to control what the 1st Android device is 
mirroring. Just like this from a few years back... 
- 
http://blog.radioactiveyak.com/2011/05/android-protips-at-io-session-video-and.html

Regards

On Monday, February 24, 2014 9:56:08 PM UTC+11, Simon Giddings wrote:
>
> After having looked at this, it would seem to be a bit overkill.
> Is there not another, more "direct" way to output to an HDMI display ?
>
> On Saturday, 22 February 2014 07:20:32 UTC+1, gjs wrote:
>>
>> Hi
>>
>> Try https://developers.google.com/cast/
>>
>> Regards
>>
>>

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