private void startAnimatingIndicator() {
        mIndicatorStartPos = getIndicatorStartPos();
        mIndicatorAnimating = true;
        mIndicatorScroller.startScroll(0.0f, 1.0f, INDICATOR_ANIM_DURATION);

        animateIndicatorInvalidate();
    }
Starts animating the indicator to a new position.
menudrawer/src/net/simonvt/menudrawer/MenuDrawer.java