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[Matthew Paul Thomas <mpt@xxxxxxxxxxxxx>]

** Changed in: ubuntu-ux
     Assignee: Olga Kemmet (olga-kemmet) => Jamie Young (jamiedawsonyoung)

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https://bugs.launchpad.net/bugs/1222787

Title:
  [SDK] No standard error appearance for text fields and other controls

Status in Ubuntu UX bugs:
  Triaged
Status in ubuntu-ui-toolkit package in Ubuntu:
  Confirmed

Bug 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.)

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