Just a reminder, according to the javadoc of MotionEvent.ACTION_SCROLL : This action is always delivered to the window or view under the pointer, which may not be the window or view currently touched. This action is not a touch event so it is delivered to onGenericMotionEvent(MotionEvent) rather than onTouchEvent(MotionEvent). Hence, motionEvent.getAction() will never gets the … Read more
In the end I’ve reached a solution not so much elegant but that worked for me; having figured out that onScroll method is called for every step of the scrolling instead of just being called at the scroll end, and that onScrollStateChanged is actually being called only when scrolling is completed, I do something like … Read more
The iPhoneOS does capture onscroll events, except not the way you may expect. One-finger panning doesn’t generate any events until the user stops panning—an onscroll event is generated when the page stops moving and redraws—as shown in Figure 6-1. Similarly, scroll with 2 fingers fires onscroll only after you’ve stopped scrolling. The usual way of … Read more
It can be detected by storing the previous scrollTop value and comparing the current scrollTop value with it. JavaScript : var lastScrollTop = 0; // element should be replaced with the actual target element on which you have applied scroll, use window in case of no target element. element.addEventListener(“scroll”, function(){ // or window.addEventListener(“scroll”…. var st … Read more