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並前往https://medium.com/mobile-app-development-publication/understanding-android-touch-flow-control-bcc413e6a57e

Understanding Android touch flow control | by Elye - Medium

You could observe that the ACTION_CANCEL is sent to the View first time after it was interrupted by the Layout .

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查詢 「ACTION_CANCEL」的人也找了：

  1. MotionEvent
    2.
  2. Received an action_cancel touch event for which we have no corresponding action_down
    3.
  3. Action_cancel action_up
    4.
  4. getEventTime
    5.
  5. MotionEvent action_mask
    6.
  6. FLAG_WINDOW_IS_PARTIALLY_OBSCURED
    7.
  7. ACTION_CANCEL
    8.
  8. action_cancel事件何时触发
    9.