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‍ What causes MotionEvent.ACTION_CANCEL in Android?

This is what you are looking for: "ACTION_CANCEL occurs when a parent gains ownership of the movement, for example, when a user drags enough over the list ...

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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.