public static int getAutoRotateAngleFromOrientation ( int orientation ) { switch ( orientation ) { case ExifInterface . ORIENTATION_NORMAL : case ExifInterface . ORIENTATION_UNDEFINED : return 0 ; case ExifInterface . ORIENTATION_ROTATE_180 : return 180 ; case ExifInterface . ORIENTATION_ROTATE_90 : return 90 ; case ExifInterface . ORIENTATION_ROTATE_270 : return 270 ; } return 0 ; }
Determines auto - rotate angle based on orientation information .