getback_gps
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use TYPE_ROTATION_VECTOR for compass rotation
Suggestion by @Sasja See example : https://gitlab.com/sasja/FestivalRadar/-/blob/master/app/src/main/java/com/pollytronics/clique/CliqueActivity_Main.java#L65
mRotation = mSensorManager.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR); // might return null!
https://developer.android.com/reference/android/hardware/Sensor#TYPE_ROTATION_VECTOR