@Override
protected void onOrientationChanged(AbilityInfo.DisplayOrientation displayOrientation) {
    super.onOrientationChanged(displayOrientation);
    initPages();
    if (displayOrientation.ordinal() == AbilityInfo.DisplayOrientation.PORTRAIT.ordinal()) {
        //do something
    } else if (displayOrientation.ordinal() == AbilityInfo.DisplayOrientation.LANDSCAPE.ordinal()) {
        //do something
    }
}

ScrollHelper scroller = new ScrollHelper();
scroller.startScroll(int startX, int startY, int dx, int dy);
//handler post线程更新位置 данных
handler.postSyncTask(runnable);
private Runnable runnable = new Runnable() {
    @Override
    public void run() {           
        if (!scroller.isFinished()) {
            scroller.updateScroll();             
            scrollOffsetY = scroller.getCurrValue(AXIS_Y);
            //do something
            //handler.postTask(this, 16, EventHandler.Priority.HIGH);
            //invalidate();
        } 
    }
};