Android 2048 time screen is overly sensitive

============ Problem Description ============

Android Development 2048 time the screen is overly sensitive, when the screen swipe gesture sensitive, swipe once will be moved several times, it is not used to add thread.wait (1000), it is only time to prolong

============ Solution 1============

The common treatment has
1. Record the pressed coordinates when Action_down, and mark it as "in process".
2. Action_move, if you are "working in", compare the previously pressed coordinates to see if the distance traveled has reached a threshold. If it is reached, the corresponding operation is performed and the "in process" flag bit is reset.
3. Action_up | Cancel the "in process" flag when action_cancel.

Android 2048 time screen is overly sensitive