NestedScrollingChild
NestedScrollingChild2
NestedScrollingChild3
NestedScrollingChildHelper
NestedScrollingParent
NestedScrollingParent2
NestedScrollingParent3
NestedScrollingParentHelper
View的事件分发机制
NestedScrollingParent 和 NestedScrollingChild 嵌套滑动原理介绍 blog.csdn.net/wangjiang_q…