Update index issue

[Suresh8900]

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void cc.cloudist.acplibrary.views.FlowerView.updateFocusIndex(int)' on a null object reference
at cc.cloudist.acplibrary.ACProgressFlower$2.run(ACProgressFlower.java:54)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)

                    if (mBuilder.mDirection == ACProgressConstant.DIRECT_CLOCKWISE) {
                        if (null != mFlowerView) {
                            mFlowerView.updateFocusIndex(result);
                        }
                    } else {
                        if (null != mFlowerView) {
                            mFlowerView.updateFocusIndex(mBuilder.mPetalCount - 1 - result);
                        }
                    }