Hello,

  I'm developing an application that start a service to execute an
action when the ambient light changes. Here is the cinematic:

Activity A
  On Start --> If Service S running, start Activity B
  On Click --> Start Service S (not an IntentService) using
starService.
Activity B
  On Start --> Bind to Service S
  On Click --> Stop Service S
Service S implements SensorEventListener
  On Create --> Register to light sensor
  On Sensor Changed --> Write a log
  On Destroy --> Unregister to light sensor

My problem is:
  When you launch the application and start the service, everything is
fine. When the screen is turned off, Service S does not receive
notifications from the light sensor anymore. When I turn the screen
back on, no notifications are received either. If I destroy the
Service and start it again within the same application session,
notification are not received.

  Documentation on sensor are not very helpful (or maybe I missed
something). Can anyone help?
  Thanks for your help.

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