Announcing another early Android build for XO-4

[ben]

On 03/20/2014 03:51 PM, Paul Fox wrote:
> john wrote:
>   >
>   >
>   > On Mar 19, 2014, at 5:12 PM, ben wrote:
>   >
>   > > On 03/20/2014 07:01 AM, Esteban Bordón wrote:
>   > >> Hi!
>   > >>
>   > >> Someone knows how take a screenshot in android? Is there any keys combination for do it in the XO?
>   > >>
>   > > Android brings in a hot key combination for screenshot which is press the hard volume down and power
>   > > buttons at the same time, hold them for a second. But unfortunately it does work on current XO-4 build.
>   > > Need more investigation why.
>   >
>   > Probably something to do with our power button going through the EC,
>   > and not being directly sensed by the MMP3 SoC.
>   > Power button events thus come in over the EC/Host communications ---
>   > I'm not sure these are button down/button up events.
>
> the power button does produce real down/up events, but until today,
> when we released new EC firmware, both down and up came right
> together, independent of how long the button was held.  plus, the
> power button appears on a different input device than the rest of the
> keyboard, which shouldn't confuse things, but might.
>
> the new EC code produces real PRESSED and RELEASED events which the
> kernel now translates to to real key down/up input events.  ben needed
> this for the android power dialog, which relies on timing the button
> press duration in order to pop up the menu.  it's vaguely possible
> that this change also fixes the screenshot combo.
>
Thanks, John and Paul.

As Paul said new EC code generates real PRESSED and RELEASED events for 
power button now.
But it doesn't fix the screenshot combo. I suspect it because the of the 
Volume down button is actually
inside the keyboard, It doest not produces real pressed and released 
events when long pressing instead
of produces a sequence of fake pressed and released events.

BTW:

Does anybody has any suggestion about what we should mapping these 
buttons on XO-4 screen pad in Android
system? For example should we mapping a button switch between LCD color 
and mono mode?

Thanks,
Ben