** Description changed:
- The toolkit does not have a standard error appearance for text fields,
- other controls, or captions.
+ [Updated description]
+
+
+ The toolkit does not have a standard error appearance for text fields, other
controls, or captions.
The error appearance should be used for fields that you have filled out
incorrectly, other controls that have a disallowed state, and captions
explaining the problem with individual controls.
Examples:
* If you choose a time in a restaurant reservation system, submit the
request, and the server responds that that time is unavailable, the time
picker should retain the previous value (so you can see what you chose)
but should have the error appearance. A caption should appear below it
explaining the problem: for example, “Sorry, 7:30pm is unavailable. Try
earlier or later.".
* Similarly, the validity of a checkbox, radio button, switch, etc
selection might be too complex or volatile to check on the client side
of an app. If the server side responds that the selection isn't allowed,
the control should adopt the standard error appearance, and a caption
below if necessary.
* Changing the SIM PIN requires entering the current PIN. The phone
can't check the correctness of the current PIN with every character you
type, because trying an incorrect PIN three times or so will lock the
SIM. Instead, it is checked only once you submit the dialog. *Then* if
the current PIN turns out to be wrong, that field should get the
standard error appearance (maybe a pale pink background, and/or a maroon
border, and/or a brief flash), and an explanatory caption below it.
* All the captions mentioned above should have their own consistent
error appearance. (Maybe maroon text.)
+
+ –––
+
+ Desired resolution:
+
+ An error state with examples of multiline captions will be added to the
+ SDK UI work underway.
** Changed in: ubuntu-ux
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1222787
Title:
[SDK] No standard error appearance for text fields and other controls
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