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[Bug 1537248] Re: Disabling haptics in the system settings only affects Unity8 and a few system apps

 

*** This bug is a duplicate of bug 1433590 ***
    https://bugs.launchpad.net/bugs/1433590

Niklas, the bug unfortunately resides in the apparmor denying the access
to the settings. We have a bug 1433590 for it, people around the globe
are (supposedly) working on it, since it is marked as ota10 bug.

** This bug has been marked a duplicate of bug 1433590
   apparmor dbus denial for org.freedesktop.Accounts and make Other vibrations work

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https://bugs.launchpad.net/bugs/1537248

Title:
  Disabling haptics in the system settings only affects Unity8 and a few
  system apps

Status in ubuntu-ui-toolkit package in Ubuntu:
  In Progress

Bug description:
  How to reproduce:

  1) Uncheck "Other vibrations" in System Settings > Sound
  2) Open the dialer and press a few buttons
  3) You will notice that the phone does not vibrate when pressing a button
  4) Now open the clock app and press a few buttons
  5) The selection in the system settings does not seem to affect the clock app and the phone still vibrates when pressing an AbstractButton or a derived item

  Components to which the setting does apply:

  * Unity 8
  * System Settings
  * Dialer
  * Messaging app
  * Address book

  Components to which it does NOT apply:

  * Webbrowser
  * Camera
  * Clock
  * Terminal app
  * File manager
  * Document viewer
  * Any click app from the store which I have tried so far

  Debugging efforts so far:

  I have added a few console.log() calls and saw that in Haptics.qml,
  when the play() method is called, vibra.otherVibrate is true. So it
  seems as if the ServiceProperties object fails to fetch the proper
  value when running the aforementioned apps.

  A few observations:

  * All apps for which it works are legacy (e.g. non-click) applications.
  * However, the webbrowser app is a legacy one, too, but it doesn't work there.
  * All apps for which it works run unconfined.
  * However, the terminal and the file manager apps are unconfined, too.
  * The apps for which it works seem to use the most recent UITK version.
  * However, the document viewer does that as well.

  
  =========================

  phablet@ubuntu-phablet:~$ system-image-cli -i
  current build number: 218
  device name: mako
  channel: ubuntu-touch/rc-proposed/bq-aquaris.en
  last update: 2016-01-21 23:18:06
  version version: 218
  version ubuntu: 20160121.2
  version device: 20160112
  version custom: mako-1.1

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References