private float[] calculatePointerPosition(float angle){
  float x=(float)(mColorWheelRadius * Math.cos(angle));
  float y=(float)(mColorWheelRadius * Math.sin(angle));
  return new float[]{x,y};
}

private float [ ] calculatePointerPosition ( float angle ) { float x = ( float ) ( mColorWheelRadius * Math . cos ( angle ) ) ; float y = ( float ) ( mColorWheelRadius * Math . sin ( angle ) ) ; return new float [ ] { x , y } ; }
calculate the pointer ' s coordinates on the color wheel using the supplied angle .
