If I open AutoInput accessibility, the system would become unresponsive, more specifically, it drop frames when I swipe. (I'm nor sure if I used the proper words)
I did some research, found something on an article https://zhuanlan.zhihu.com/p/55585722
The article mentioned that the existence of AccessibilityInputFilter blocked the InputDIspatcher thread being awake. So the input event was put into next Vsync, which means the InputDispatcher won't follow the pace of InputReader, but the pace of Vsync.
There is a super snappy app called FooView, and some people says the Advanced function in accessibility would cause dropping frames. So normally people only open the Basic function in