Java direction to specific place compass.

Compass.java

 @Override
public void onSensorChanged( SensorEvent event )
    {

        if ( currentLocation != null )
        {


            // get accelerometer data
            if ( event.sensor.getType() == Sensor.TYPE_ACCELEROMETER )
            {
                // we need to use a low pass filter to make data smoothed
                // smoothed = LowPassFilter.filter(event.values, gravity);


                gravity[ 0 ] = event.values[ 0 ];
                gravity[ 1 ] = event.values[ 1 ];
                gravity[ 2 ] = event.values[ 2 ];
                String dir = "" + Math.round( new GreatCircleBearing().calculateBearing( currentLocation.getLatitude(), currentLocation.getLongitude(), Fixed_Coordinates_Latitude, Fixed_Coordinates_Longitude ) );
                String data = "The direction of Specific place is " + dir + "° from North.";

                mDirection.setText( data );


            }
            else if ( event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD )
            {
                // smoothed = LowPassFilter.filter(event.values, geomagnetic);


                geomagnetic[ 0 ] = event.values[ 0 ];
                geomagnetic[ 1 ] = event.values[ 1 ];
                geomagnetic[ 2 ] = event.values[ 2 ];
                String dir = "" + Math.round( new GreatCircleBearing().calculateBearing( currentLocation.getLatitude(), currentLocation.getLongitude(), Fixed_Coordinates_Latitude, Fixed_Coordinates_Longitude ) );
                String data = "The direction of Specific place is " + dir + "° from North.";
                mDirection.setText( data );

            }

            // get rotation matrix to get gravity and magnetic data
            SensorManager.getRotationMatrix( rotation, null, gravity, geomagnetic );
            // get bearing to target
            SensorManager.getOrientation( rotation, orientation );
            // east degrees of true North
            bearing = orientation[ 0 ];
            // convert from radians to degrees
            bearing = Math.toDegrees( bearing );

            // fix difference between true North and magnetical North
            if ( geomagneticField != null )
            {
                bearing += geomagneticField.getDeclination();
            }

            // bearing must be in 0-360
            if ( bearing < 0 )
            {
                bearing += 360;
            }


          
          // Whole compass (N-E-W-S)
            imageViewObjectAnimator = ObjectAnimator.ofFloat( compassImageView,
                    "rotation", compassImageView.getRotation(), (float) ( 360 - bearing ) );
            imageViewObjectAnimator.setDuration( 210 );
            imageViewObjectAnimator.start();

          // pointer to specific LatLng
            double direction = ( new GreatCircleBearing().calculateBearing( currentLocation.getLatitude(), currentLocation.getLongitude(), Fixed_Coordinates_Latitude, Fixed_Coordinates_Longitude ) );
            int rotation = (int) ( 360 - bearing + direction );

          


            directionObjectAnimator = ObjectAnimator.ofFloat( directionTo,
                    "rotation", directionTo.getRotation(), (float) ( rotation ) );
            directionObjectAnimator.setDuration( 210 );


            directionObjectAnimator.start();


        }
  
  
}