motionevent – Tarik Billa

What causes a MotionEvent.ACTION_CANCEL in Android?

May 27, 2023 by Tarik

Is this what you are looking for: “ACTION_CANCEL occurs when the parent takes possession of the motion, for example when the user has dragged enough across a list view that it will start scrolling instead of letting you press the buttons inside of it. You can find out more about it at the viewgroup documentation: … Read more

In Android, what is the difference between getAction() and getActionMasked() in MotionEvent?

May 12, 2023 by Tarik

getAction() returns a pointer id and an event (i.e., up, down, move) information. getActionMasked() returns just an event (i.e., up, down, move) information. Other info is masked out. For example: getAction() returns 0x0105. getActionMasked() will return 0x0005, which is 0x0105 && ACTION_MASK. The value of ACTION_MASK is 0xFF. It masks the following actions. ACTION_DOWN 0, … Read more