I always assumed it was either a device touch-smudge issue (which is common
for touch devices), or an "angle of swipe" issue. For the latter, I have
gotten into a habit of swiping exactly vertically and it seems to work for
the most part. Not sure if there is a margin of error here about how the
angle is calculated. (touch panel sensitivity?)

Agree with that last comment as well.

Sandip

On Thu, Oct 15, 2015 at 5:17 PM, Dylan Oliver <[email protected]> wrote:

> Yes, I often have some degree of trouble. If I am conscious to give a
> deliberate vertical swipe, it works fine. But my default
> not-thinking-about-it swipe tends to have some horizontal motion in it that
> sometimes gets interpreted as a scroll. Usually I suspect this is my fault
> for not being vertical enough.
>
> The one that bugs me is though is when my mostly-vertical swipe does work
> to kill the app, but only after there has been some left/right scroll
> motion. It then snaps the app back to the center before it does the kill
> animation. That snap is a little disorienting and I have to mentally pause
> for a second to verify that it killed the one I wanted to kill. (This is
> easy to see if you intentionally swipe diagonally from the center of the
> screen to one of the upper corners.)
>
> It feels like the scroll is a little too responsive? I wonder if we could
> wait a beat on the scroll animation until we decide whether this is a
> really a scroll or a swipe. Or alternatively let them both happen at the
> same time but eliminate the snap and just let the killed app shoot off into
> the ether as it is also scrolling away?
>
>
>
> On Thu, Oct 15, 2015 at 4:23 PM, Marcus Cavanaugh <[email protected]> wrote:
>
>> Wrong bug number, sorry, it should read 1210058.
>> https://bugzilla.mozilla.org/show_bug.cgi?id=1210058
>>
>>
>> On Thu, Oct 15, 2015 at 4:22 PM, Marcus Cavanaugh <[email protected]> wrote:
>>
>>> The QA contact in bug 1210059 <https://bugzil.la/1210059> is having
>>> trouble swiping-to-kill apps in task manager. While originally they were
>>> swiping incorrectly, they have since provided a video
>>> <https://www.youtube.com/watch?v=505dpgnDmhc&feature=youtu.be> which
>>> appears to show them having substantial trouble: their swipes are
>>> frequently treated as left-to-right swipes.
>>>
>>> While it's clear that a swipe directed too far sideways will trigger
>>> scrolling rather than killing, I find that the current behavior generally
>>> matches my intent: A reasonably-confident swipe upward will reliably kill
>>> the app, a sideways swipe will scroll, and an indeterminate swipe will
>>> perform one or the other, but not both (with perhaps a minimal glitch
>>> effect in some cases due to APZ).
>>>
>>> It's possible that I'm swiping differently than others; perhaps I've
>>> been conditioned to swipe definitively along a certain axis. Even so, I
>>> haven't been able to reproduce the same kind of difficulty without
>>> deliberately trying to swipe ambiguously.
>>>
>>> Is the current swipe-to-kill gesture a problem, and to what degree? (The
>>> latest behavior should be on any nightly since Sept. 30th.)
>>>
>>
>>
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