I mean to say that is there any other measurable parameter the IM
framework provides?

On Sep 7, 9:08 am, Dianne Hackborn <[email protected]> wrote:
> I have been try to say -- no.  The information you are asking for doesn't
> even exist.  There are no key events.
>
>
>
> On Mon, Sep 6, 2010 at 8:52 PM, Tez <[email protected]> wrote:
> > Thank you for the quick reply.
> > So now, coming back to my original problem, is there ANY way that you
> > can think of to receive the information I need
> > without writing a custom IME?
>
> > Cheers,
> > Earlence
>
> > On Sep 7, 8:42 am, Dianne Hackborn <[email protected]> wrote:
> > > KeyListener is (generally) only for physical keyboards.  It may not even
> > be
> > > used for those -- an IME has first crack at hard key events and may do
> > its
> > > own massaging of them and do calls on its InputConnection.  (Consider for
> > > example a Chinese IME that converts input on a hard keyboard to Chinese
> > > text.)
>
> > > As far as where data goes...  it depends on what you are talking about.
> >  The
> > > general flow for touch input is:
>
> > > - MotionEvent delivered to IME window.
> > > - IME makes calls on the target InputConnection based on the touch data.
> > > - The InputConnection calls appear in the target app, which for a
> > TextView
> > > performs the appropriate editing of its text.
>
> > > On Sun, Sep 5, 2010 at 9:42 PM, Tez <[email protected]> wrote:
> > > > and another thing....in all these "key" interactions, (physical or
> > > > IME), am I correct in assuming that all data must pass thru the
> > > > Framework classes like WindowManagerService, KeyInputQueue etc?
>
> > > > Cheers,
> > > > Earlence
>
> > > > On Sep 6, 12:02 am, Dianne Hackborn <[email protected]> wrote:
> > > > > You can't get that from the IME.  What you get is edit operations via
> > > > calls
> > > > > on InputConnection.
>
> > > > > You will need to implement your own keyboard in your app if you want
> > to
> > > > > monitor individual interactions with it.
>
> > > > > On Sun, Sep 5, 2010 at 4:18 AM, Tez <[email protected]> wrote:
> > > > > > Biometric Measure with neural nets: Key stroke patterns.
> > > > > > For that I need data about how something was typed in:
>
> > > > > > Eg: EARLENCE
>
> > > > > > 1. time for which each key was pressed.
> > > > > > 2. interval between consecutive key presses.
>
> > > > > > Cheers,
> > > > > > Earlence
>
> > > > > > On Sep 4, 10:44 pm, Dianne Hackborn <[email protected]> wrote:
> > > > > > > You can override EditText to return your own InputConnection.
>
> > > > > > > But...  if you want KeyEvents, you won't get KeyEvents.  Period.
> > > >  There
> > > > > > are
> > > > > > > no KeyEvent objects involved in this ANYWHERE.  At all.  The user
> > is
> > > > > > > touching on the screen (that is a touch event).  The IME turns
> > that
> > > > into
> > > > > > an
> > > > > > > edit operation on the TextView (that is a call to
> > InputConnection).
> > > >  No
> > > > > > > KeyEvent.
>
> > > > > > > What you are claiming to want to do simply doesn't make sense.
> >  Let's
> > > > > > back
> > > > > > > up here and see what you are actually trying to accomplish?  Not
> > > > timing
> > > > > > > between two key events.  What is the goal you are trying to
> > achieve?
>
> > > > > > > On Sat, Sep 4, 2010 at 6:55 AM, Tez <[email protected]>
> > wrote:
> > > > > > > > How do I intercept the InputConnection Calls? Would I have to
> > > > modify
> > > > > > > > the IME or use a custom one?
> > > > > > > > Having text change listeners would not be of use as I need key
> > > > timing
> > > > > > > > information. This I can only get thru KeyEvents.
>
> > > > > > > > Cheers,
> > > > > > > > Earlence
>
> > > > > > > > On Sep 4, 12:39 pm, Dianne Hackborn <[email protected]>
> > wrote:
> > > > > > > > > On Fri, Sep 3, 2010 at 10:48 PM, Tez <
> > [email protected]>
> > > > > > wrote:
> > > > > > > > > > 1. I have registered a KeyListener on an EditText. When I
> > use
> > > > the
> > > > > > soft
> > > > > > > > > > keyboard to input text, my listener is not called. How Do I
> > > > > > intercept
> > > > > > > > > > these events?
>
> > > > > > > > > InputConnection is how edit operations are delivered through
> > an
> > > > IME.
> > > > > > > >  These
> > > > > > > > > will appear as direct edits of the text in the EditText, so
> > to
> > > > watch
> > > > > > that
> > > > > > > > > you either need to intercept the InputConnection calls or
> > have
> > > > > > listeners
> > > > > > > > for
> > > > > > > > > text changes.
>
> > > > > > > > > > 2. How do I measure time interval between KeyEvents. The
> > > > methods
> > > > > > are
> > > > > > > > > > confusing and documentation is not good. Plz put
> > pseudo-code
> > > > here.
>
> > > > > > > > > Er...  there is nothing really to document here.
> > > > > > > >  SystemClock.uptimeMillis()
> > > > > > > > > returns the current time in what are probably appropriate
> > units
> > > > for
> > > > > > you.
> > > > > > > > >  Call it at the points you are interested in.  Compare the
> > > > values.
>
> > > > > > > > > (Didn't we just have a thread on this?)
>
> > > > > > > > > --
> > > > > > > > > Dianne Hackborn
> > > > > > > > > Android framework engineer
> > > > > > > > > [email protected]
>
> > > > > > > > > Note: please don't send private questions to me, as I don't
> > have
> > > > time
> > > > > > to
> > > > > > > > > provide private support, and so won't reply to such e-mails.
> >  All
> > > > > > such
> > > > > > > > > questions should be posted on public forums, where I and
> > others
> > > > can
> > > > > > see
> > > > > > > > and
> > > > > > > > > answer them.
>
> > > > > > > > --
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> > <android-developers%[email protected]<android-developers%[email protected]>
>
> > > > > > <android-developers%[email protected]<android-developers%[email protected]>
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>
> > > > <android-developers%[email protected]<android-developers%[email protected]>
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> > > > > > > --
> > > > > > > Dianne Hackborn
> > > > > > > Android framework engineer
> > > > > > > [email protected]
>
> > > > > > > Note: please don't send private questions to me, as I don't have
> > time
> > > > to
> > > > > > > provide private support, and so won't reply to such e-mails.  All
> > > > such
> > > > > > > questions should be posted on public forums, where I and others
> > can
> > > > see
> > > > > > and
> > > > > > > answer them.
>
> > > > > > --
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> > > > <android-developers%[email protected]<android-developers%[email protected]>
> > <android-developers%[email protected]<android-developers%[email protected]>
>
> > > > > > For more options, visit this group at
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>
> > > > > --
> > > > > Dianne Hackborn
> > > > > Android framework engineer
> > > > > [email protected]
>
> > > > > Note: please don't send private questions to me, as I don't have time
> > to
> > > > > provide private support, and so won't reply to such e-mails.  All
> > such
> > > > > questions should be posted on public forums, where I and others can
> > see
> > > > and
> > > > > answer them.
>
> > > > --
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>
> > > --
> > > Dianne Hackborn
> > > Android framework engineer
> > > [email protected]
>
> > > Note: please don't send private questions to me, as I don't have time to
> > > provide private support, and so won't reply to such e-mails.  All such
> > > questions should be posted on public forums, where I and others can see
> > and
> > > answer them.
>
> > --
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> --
> Dianne Hackborn
> Android framework engineer
> [email protected]
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer ...
>
> read more »

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