onfling參數(shù)：

e1 The first down motion event that started the fling.

e2 The move motion event that triggered the current onFling.

velocityX The velocity of this fling measured in pixels per second along the x axis.

velocityY The velocity of this fling measured in pixels per second along the y axis.

onscroll參數(shù)：

e1 The first down motion event that started the scrolling.

e2 The move motion event that triggered the current onScroll.

distanceX The distance along the X axis that has been scrolled since the last call to onScroll. This is NOT the distance between e1 and e2. distanceY The distance along the Y axis that has been scrolled since the last call to onScroll. This is NOT the distance between e1 and e2.

從兩者的參數(shù)可以看出 onfling強調(diào)滑動的速度， 適用于響應對速度有需求的事件

onscroll強調(diào)滑動的距離，?適用于響應對距離有需求的事件

轉(zhuǎn)載于:https://www.cnblogs.com/xuliangbk/p/4344968.html

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