#4494 NORM Future : activities don't successfully launch if pservice.get_preferred_connection fails in init

[Zarro Boogs per Child]

#4494: activities don't successfully launch if pservice.get_preferred_connection
fails in init
-------------------------------+--------------------------------------------
  Reporter:  erikb             |       Owner:  morgs                            
      Type:  defect            |      Status:  new                              
  Priority:  normal            |   Milestone:  Future Release                   
 Component:  presence-service  |     Version:  Development build as of this date
Resolution:                    |    Keywords:                                   
  Verified:  0                 |    Blocking:                                   
 Blockedby:                    |  
-------------------------------+--------------------------------------------
Changes (by daf):

  * component:  camera-activity => presence-service


Comment:

 Seems I was a bit rash. Morgan points out that this function might return
 None if we are waiting for Gabble to connect. Seems we need to improve the
 PS API to expose the fact that there isn't always a connection that can be
 used for sharing, and notifying activities when a connection becomes
 available or disappears. Handling this correctly in activities might turn
 out to be a pain.

 See also #4404.

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Ticket URL: <http://dev.laptop.org/ticket/4494#comment:8>
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