- From: David MacDonald <david100@sympatico.ca>
- Date: Fri, 23 Jun 2017 10:56:55 +0300
- To: "Repsher, Stephen J" <stephen.j.repsher@boeing.com>
- Cc: Joshue O Connor <josh@interaccess.ie>, WCAG <w3c-wai-gl@w3.org>
- Message-ID: <CAAdDpDYnLU_MOtkD=KOfTYhJDPcWwwe7eVWv_5j25jjvDuStMA@mail.gmail.com>
I have to agree, Steve. Cheers, David MacDonald *Can**Adapt* *Solutions Inc.* Tel: 613.235.4902 LinkedIn <http://www.linkedin.com/in/davidmacdonald100> twitter.com/davidmacd GitHub <https://github.com/DavidMacDonald> www.Can-Adapt.com <http://www.can-adapt.com/> * Adapting the web to all users* * Including those with disabilities* If you are not the intended recipient, please review our privacy policy <http://www.davidmacd.com/disclaimer.html> On Fri, Jun 23, 2017 at 6:58 AM, Repsher, Stephen J < stephen.j.repsher@boeing.com> wrote: > -1 > > > > Sorry folks. Albeit in fewer words than I’ll do here, I feel I brought up > a very significant issue with the normative text of this SC both on the > survey and call, and it was neither addressed in the text nor discussed and > explained why my concerns might be invalid. > > > > Since in its simplest form the SC says don’t use device sensors unless you > really need them, the linchpin really is the definition of “device sensor”, > which now only says: “additional input values such as tilt, orientation, > proximity”. This is extremely ambiguous because it only provides a few > examples rather than an actual definition, which then falls back to the > dictionary definition for sensor which is extremely broad. It also says > “additional” but what this is exactly in addition to is left up to the > reader. If this is supposed to mean in addition to standard input methods > like a keyboard, mouse, and/or touchscreen, then that needs to be stated > clearly in the normative guidelines, especially considering all of those > are devices that confusingly use sensors themselves (e.g. optical sensing > on a mouse, capacitive or resistive sensing on a touchscreen, and various > depression sensing on keys). Furthermore, the examples are of processed > data that may be calculated using one or more sensors and not examples of > the actual sensors used. Ironically, the sensor data used to create the > single example problem in the proposal, shaking to undo, is not even given > as an example here, i.e. accelerometer analysis. > > > > As written now, the criterion also seems to take the valid problem case of > requiring physical motion that may be very difficult or impossible, and > generalize it to presuming that using device sensors is somehow always > going to have accessibility issues. Devices are being packed with more and > more sensors, and for most scalar ones not based on motion, I don’t think > we have any examples of where they create a problem for users with > disabilities (e.g. GPS, thermometer, microphone, light brightness, > barometer, or the myriad of external device sensors which can be > purchased). In fact, many of these can be used to create accessibility > where none existed before, but the criterion would make most such apps pass > via exception which seems backwards and detracts from the true problem. > The scope is simply too wide. > > > > I fail to see how due diligence is being done here compared to other > proposals which have gone through many painstaking iterations to fully or > partially address all working group concerns. > > > > Steve > > > > *From:* Joshue O Connor [mailto:josh@interaccess.ie] > *Sent:* Tuesday, June 20, 2017 1:04 PM > *To:* WCAG <w3c-wai-gl@w3.org> > *Subject:* CFC Add Device Sensors to Editors Draft > > > > Call For Consensus — ends Friday June 23rd at 1:00pm Boston time. > > > > The Working Group has reviewed and approved a Success Criterion for > inclusion in the Editor’s Draft: "Device Sensors" with the goal of > obtaining additional input external to the working group. > > NOTE: The resolution was to Accept this SC into editors draft and > include a note to say that the preference of the group is to alter an > existing SC rather than add a new one. > > SC TEXT: > > "All functionality of the content can be operated without requiring > specific device sensor information unless the device sensor is essential > for the function and not using it would invalidate the activity." > > > Survey results: > https://www.w3.org/2002/09/wbs/35422/Top3_18Apr2017/results > GIT Hub: https://github.com/w3c/wcag21/issues/67 > > The new SC can be reviewed here: > https://rawgit.com/w3c/wcag21/device-sensors_ISSUE-67/ > guidelines/sc/21/device-sensors.html > > If you have concerns about this proposed consensus position that have not > been discussed already and feel that those concerns result in you “not > being able to live with” this decision, please let the group know before > the CfC deadline. > > > > Thanks > > -- > Joshue O Connor > Director *| InterAccess.ie * >
Received on Friday, 23 June 2017 07:57:29 UTC