private void updateLooperIndicator(int targetPosition) {
    if (looperPointContainer!=null) {

        for (int i = 0; i < looperPointContainer.getChildCount(); i++) {

            View point = looperPointContainer.getChildAt(i);

            if (i == targetPosition) {
                point.setBackgroundResource(R.drawable.shape_indicator_point);

            } else {
                point.setBackgroundResource(R.drawable.shape_indicator_null);

            }

        }

    }
}

如何处理