(On the Internet, I have seen many users write input event management under Android, but they are incomplete, and they are all written based on code below Android 2.3. Android 4.0 input event management code has generated great changes compared with previous versions, and management is more flexible. Combined with my own practice, I developed the touch screen driver under Android 4.0, and wrote this article. The article specifically introduced how the input system under Android was started, how the input devices were configured, and how input events were managed.)
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