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touchscreen interface issue on display-top

asked 2020-04-23 22:16:22 +0300

cemoi71 gravatar image

updated 2020-05-27 03:07:03 +0300

Hello Sailors, hello Jolla team,

last time i always wonder why with my XA2+ i could close any app when i have the device in the hands, but with only one finger device on a table near of impossible.

Device on the hand no problem.
Device on table, one finger many tries, depending which app i want to close, either there no reaction (to close) or i activate the button which is on the way of my finger.

Seems that for a specific area on the top of the device, the system react differently if the user have it on a table and use it with only one finger, compared with the usage with device hold in hand.

Today I tried to apply some tests with the csd-tool, with which i couldn't interpret or understand what does it mean.
But there is 100% a difference between device on the hands, and device on table and close with one finger.
I made some screenshots which shows how the device catches the finger touch points.

What i want to add as info, is when i try to close an app with device on the table and only one finger. I can't then close the app (what i explained).
But as soon as i touch a border of the device with an other finger, on a side or top or but, even if really lightly. then works. App close itself.

I beg and please the dev-team and any tinker mate to give a look on it and maybe apply more analysis. And i hope then that later some improvement are done. Anyway bring at last some more explanation on it.

Screenshot of Device on a table, 1 finger apply a top-down-swish. We remark that all touch points are catched from top. Device on table 1 finger apply top-down-swish

Screenshot of Device on a table, 1 finger apply a whirl movement on top. We remark that all touch points are catched overall on top. Device table 1 finger apply whirl on top

Screenshot of Device in one hand, 1 finger apply a whirl movement on top. We remark that all touch points are catched with a gap from top (observe the gap between top and text). Device in Hand 1 finger apply whirl on top

Screenshot of device in one hand, 1 finger apply a top-down-swish. We remark that all touch points are catched have a gap from top (observe the gap between top and text). Device in Hand 1 finger apply top-down-swish

After many tests after each others, then the interface seems to be disturbed and blocked, and by whirl movements we observe taht the gaps between from the top with device in table (green points), and bigger gaps if device is in one hand (yellow points). Apparently, this effect disappear after some minutes (don't know how many). After many tries/tests then blocked the interface

Further info, if the device is on a table by charging with usb cable, then it is not affected with this effect (not able to close the app with only one finger).

This bug is quite boring if i have it near me on table, and use it with only one finger.

I don't know if it the same for all sony xa2, or xa2+ devices, or for all jolla-supported devices.
Hope that i'm not alone with this issue, because of reproducibility...

I have on my device the sony binaries v17. Please the owners of xperia xa2 plus & ultra, give feedback how it is on your devices by upvoted the polls below this thread. For issue or not issue, with which one sony binaries (v16 or v17)...

JP1 device don't have this issue definitively .

Have a nice sail.

Cheers

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5 Answers

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answered 2020-04-23 23:19:14 +0300

I am pretty sure this is nothing that Jolla can solve.
You should redirect your question to Sony.

Have a look here, e.g. https://www.ifixit.com/Answers/View/284584/Why+does+my+touchscreen+only+work+when+touching+the+case

If it makes you feel better: you are not alone. +1 keyword for further 'google analysis': capacitive

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Comments

i don't think that has something to do with it. in any case the touchscreen/digitizer work. but for a specific area on top, it works differently. and make many whirl movement and wish on this area. it blocks itself in one state that behaviour always the same in any cases. until make a pause of x minutes. typically software problem. but could be related to the binaries too...

cemoi71 ( 2020-04-24 00:55:33 +0300 )edit

Yes, I met complaints for such behavior of the touchscreen from osers of Xperia running on Android.

kandelabra ( 2020-04-24 12:37:12 +0300 )edit

@kandelabra complains? in which context exactly? software? system blob? hardware?

cemoi71 ( 2020-04-24 21:09:02 +0300 )edit

seems to me that is a software thing where an other hardware part is not really observed...
I think that normally such a test that i've done shall be done by dev and each release outputs

cemoi71 ( 2020-04-24 21:30:41 +0300 )edit
0

answered 2020-04-24 01:02:24 +0300

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

updated 2020-04-24 01:02:24 +0300

cemoi71 gravatar image

just a poll for those who have this issue with an xperia xa2+ and sony binaries v16.

Please don't upvote or downvote if you're not concerned

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answered 2020-04-24 01:03:17 +0300

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

updated 2020-04-24 01:04:29 +0300

cemoi71 gravatar image

Poll for those who have this issue with an xperia xa2+ and sony binaries v17.

Please don't upvote or downvote if you're not concerned

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0

answered 2020-04-24 01:04:20 +0300

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

updated 2020-04-24 01:05:52 +0300

cemoi71 gravatar image

Poll for those who have NOT this issue with an xperia xa2+ and sony binaries v16.

(Please don't upvote or downvote if you're not concerned )

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0

answered 2020-04-24 01:06:20 +0300

this post is marked as community wiki

This post is a wiki. Anyone with karma >75 is welcome to improve it.

updated 2020-04-24 01:06:20 +0300

cemoi71 gravatar image

Poll for those who have NOT this issue with an xperia xa2+ and sony binaries v17.

(Please don't upvote or downvote if you're not concerned )

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Asked: 2020-04-23 22:16:22 +0300

Seen: 251 times

Last updated: Apr 24 '20