Re: Global blocking of input events

Paul G. Tobey [eMVP] wrote:
> If it's a Pocket PC, there should be an option to lock everything except the
> power button when the device is asleep. Is that enough?

No, sadly. Incoming Calls and Alarms turn the device back on.


> There is no
> documented or generally-accepted way to disable the touch screen on a
> device.

Yes, documentation is missing on just about anything more complex than
writing the average application that prints "Hello World".


> The closest you would be able to get would be to try to make your
> application front-most all of the time and live with the occasional chance
> that the user might accidentally dismiss his alarm or whatever notification.

Trouble is that the notification bubble passes all shortcut keys to the
default handler, so while the bubble shows you can not only move and
delete appointments, but also get the phone to call random people.
Really bad.


> How are you planning to trigger reenabling the device?

Simple time out. Once the presentation is done (or a certain key
combination is pressed), the device reverts back to normal operation.


Greets,
Wolf


> "Wolfgang Meier" <womei@xxxxxxxxxxxxxx> wrote in message
> news:1134000762.307476.133270@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Hello Paul,
> >
> > Paul G. Tobey [eMVP] wrote:
> >> "Wolfgang Meier" <womei@xxxxxxxxxxxxxx> wrote in message
> >> news:1133994392.814619.125800@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >> > I'm trying to temporarily block all events like button presses and
> >> > mouse clicks from reaching any application on my device, but to no
> >> > avail.
> >
> >> First tell us *why* you want to do this, rather than *what* you want to
> >> do.
> >> We'll be much more able to tell you the best way to accomplish a task if
> >> you
> >> tell us what the task is, rather than how you've decided you want to do
> >> it...
> >
> > First of all: thanks for responding so quickly, I really appreciate
> > someone trying to help me with this problem.
> >
> > The reason I want to block applications from receiving button presses
> > and mouse clicks is straightforward: Users should be able to run the
> > application (which plays voice files) and still be able to put their
> > devices in their pockets without having to worry about inadvertently
> > starting random programs, deleting files, dialling long-distance
> > numbers and so on.
> >
> > I could nearly avoid this by switching focus immediately back to my
> > application as soon as it looses focus, but notification message
> > bubbles do exactly the same, so it's kind of a tug-of-war between my
> > app and the popups right now.
> >
> > Is there anything I simply overlooked?
> >
> > Wolf
> >

.