Which thread invokes SensorEventListener.onSensorChanged
- by Christoph Heindl
From my records it seems that SensorEventListener.onSensorChanged callback is
called by the same thread that registered the callback. I.e there must
be some message-queue synchronization going on in the background which
allows the activitys UI-Thread to handle the callbacks.
That leads to my question: Is there a need to synchronize
SensorEventListener.onSensorChanged with the activitys UI-thread,
assuming that the activitys UI-thread registered the
SensorEventListener?
I cannot find any documentation references, but can see various examples calling invalidate() unsychronized or synchronize the entire callback.
I used something along the lines of
Log.i(TAG, "" + Thread.currentThread().getId());
to retrieve threading information.
I'm running android 2.1 update1.
Best regards,
Christoph
