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Is there any way to have access to the blue flash light appears on google map? I have read in different forums that this blue arc is representative of the reliability of the magnet sensor, is there any way to have access to it in android?
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The blue dot shows your location on the map. When Google Maps isn't sure about your location, there will be a light blue circle around the blue dot. You might be anywhere within the light blue circle. The smaller the circle, the more certain the app is about your location.
Once Google Maps is able to determine where you are, the blue dot shows up and marks your location on the map. The blue dot comes alongside another indicator to also display your orientation, and you can simply turn around with your phone in hand and Google Maps running on the screen to make sure it's working properly.
Click Location Services: click unlock at bottom of window and then deselect Maps. The blue circle vanishes!
Normally blue screen means your Google API key didn't work. Save this answer. Show activity on this post. If your map is not showing, only grids/blank screen showing, that's because your Map API key is missing or incorrect.
I went through Android SDK for magnet outputs. I have found one method that measure the accuracy of magnet based direction of movement. Have you seen following method?
@Override
public void onAccuracyChanged(Sensor sensor, int i) {
if(sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD){
}
}
This outputs the accuracy in 4 levels for magnet based heading estimation.
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