2345截图20210324111918.png

不设置任何事件、

activity: dispatchTouchEvent ACTION_DOWN 0
a: dispatchTouchEvent ACTION_DOWN 0
a: onInterceptTouchEvent ACTION_DOWN 0
b: dispatchTouchEvent ACTION_DOWN 0
b: onInterceptTouchEvent ACTION_DOWN 0
c: dispatchTouchEvent ACTION_DOWN 0
c: onInterceptTouchEvent ACTION_DOWN 0
c: onTouchEvent ACTION_DOWN 0
b: onTouchEvent ACTION_DOWN 0
a: onTouchEvent ACTION_DOWN 0
activity: onTouchEvent ACTION_DOWN 0
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_UP 1
activity: onTouchEvent ACTION_UP 1

c onTouchEvent返回true

手指划出c 亦如此

b: onInterceptTouchEvent ACTION_DOWN 0
c: dispatchTouchEvent ACTION_DOWN 0
c: onInterceptTouchEvent ACTION_DOWN 0
c: onTouchEvent ACTION_DOWN 0
activity: dispatchTouchEvent ACTION_MOVE 2
a: dispatchTouchEvent ACTION_MOVE 2
a: onInterceptTouchEvent ACTION_MOVE 2
b: dispatchTouchEvent ACTION_MOVE 2
b: onInterceptTouchEvent ACTION_MOVE 2
c: dispatchTouchEvent ACTION_MOVE 2
c: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_UP 1
a: dispatchTouchEvent ACTION_UP 1
a: onInterceptTouchEvent ACTION_UP 1
b: dispatchTouchEvent ACTION_UP 1
b: onInterceptTouchEvent ACTION_UP 1
c: dispatchTouchEvent ACTION_UP 1
c: onTouchEvent ACTION_UP 1

仅仅b onInterceptTouchEvent 返回 true

并未传递给c

activity: dispatchTouchEvent ACTION_DOWN 0
a: dispatchTouchEvent ACTION_DOWN 0
a: onInterceptTouchEvent ACTION_DOWN 0
b: dispatchTouchEvent ACTION_DOWN 0
b: onInterceptTouchEvent ACTION_DOWN 0
b: onTouchEvent ACTION_DOWN 0
a: onTouchEvent ACTION_DOWN 0
activity: onTouchEvent ACTION_DOWN 0
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_UP 1
activity: onTouchEvent ACTION_UP 1

b 在move事件进行拦截

activity: dispatchTouchEvent ACTION_DOWN 0
a: dispatchTouchEvent ACTION_DOWN 0
a: onInterceptTouchEvent ACTION_DOWN 0
b: dispatchTouchEvent ACTION_DOWN 0
b: onInterceptTouchEvent ACTION_DOWN 0
c: dispatchTouchEvent ACTION_DOWN 0
c: onInterceptTouchEvent ACTION_DOWN 0
c: onTouchEvent ACTION_DOWN 0
activity: dispatchTouchEvent ACTION_MOVE 2
a: dispatchTouchEvent ACTION_MOVE 2
a: onInterceptTouchEvent ACTION_MOVE 2
b: dispatchTouchEvent ACTION_MOVE 2
b: onInterceptTouchEvent ACTION_MOVE 2
c: dispatchTouchEvent ACTION_CANCEL 3
c: onTouchEvent ACTION_CANCEL 3  c接收了取消事件
activity: dispatchTouchEvent ACTION_MOVE 2
a: dispatchTouchEvent ACTION_MOVE 2
a: onInterceptTouchEvent ACTION_MOVE 2
b: dispatchTouchEvent ACTION_MOVE 2
b: onTouchEvent ACTION_MOVE 2
activity: onTouchEvent ACTION_MOVE 2

...

activity: onTouchEvent ACTION_MOVE 2
activity: dispatchTouchEvent ACTION_UP 1
a: dispatchTouchEvent ACTION_UP 1
a: onInterceptTouchEvent ACTION_UP 1
b: dispatchTouchEvent ACTION_UP 1
b: onTouchEvent ACTION_UP 1
activity: onTouchEvent ACTION_UP 1