Just throwing in my 2 cent's from a QE perspective but I went ahead and
tested swiping at from different angles and I found that there wasn't a
problem in most situations.

I swiped several app windows to close them in succession.

Tests I ran (I am right handed):
1.) Held phone in right hand and swiped with left.
2.) Held phone in left hand and swiped with right.
3.) Held phone with left hand and swiped with same hand.
4.) Held phone with right hand and swiped with same hand.


At any rate, it seems that swiping to kill a task (from my own tests) works
pretty well. I could not get my swipes to register as a left to right
scroll. But maybe it's me. I do have big hands.


[image: photo]
*John Dorlus*
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On Thu, Oct 15, 2015 at 8:26 PM, Sandip Kamat <[email protected]> wrote:

> 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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>>> [email protected]
>>> https://lists.mozilla.org/listinfo/dev-fxos
>>>
>>>
>>
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