the orientation sensor is diminished (specifically, this sensor is only reliable when
the roll component is 0). As a result, the orientation sensor was deprecated in Android 2.2 (API
level 8). Instead of using raw data from the orientation sensor, we recommend that you use the
<code><a href="../../../reference/android/hardware/SensorManager.html#getRotationMatrix(float[], float[], float[], float[])">getRotationMatrix()</a></code> method in conjunction
with the <code><a href="../../../reference/android/hardw