[android-developers] Re: Is it possible to lock screen without turning off display

But how can we disable HOME button?

On Jun 1, 4:03 pm, Raghav Sood <raghavs...@gmail.com> wrote:
> I don't know if there is an exact SDK function or class that allows this but
> you could launch a transparent activity in full screen mode that diables all
> the button down and button up uvents. Your activity could have a slide bar
> to destroy it and your could adjust the screen to a lower level of
> brightness using the power manager.
>
> Hope this helps
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> On Wed, Jun 1, 2011 at 12:24 PM, yccheok <yancheng.ch...@gmail.com> wrote:
> > I had came across several apps
>
> > Lock Screen Widget - Lock screen and turn off display by tapping on
> > screen button. User will need to press hardware power button to make
> > the screen visible again.
>
> > Tap Tap App - Lock screen and turn off display by tapping on screen
> > button. Proximity sensor still activate after screen turned off. User
> > can double tab across proximity sensor to make the screen visible
> > again.
>
> > I was wondering, is it possible for the following app to be developed,
> > without using any unofficial API from Android SDK
>
> > To lock a screen
> > 1. Press a on screen button to lock the screen.
> > 2. The screen remains visible, but get much less bright to preserve
> > power.
>
> > To unlock a screen
> > 1. Slide the touch screen to unlock.
> > 2. Brightness of the screen back to normal.
>
> > So far, from my observation is that, to lock the screen, the screen
> > must be turned off.
>
> > Is there any way we can lock screen without turning off display?
>
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> --
> Raghav Soodhttp://www.raghavsood.com/http://www.androidappcheck.com/http://www.telstop.tel/

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