TouchPhase.Canceled 已取消

TouchPhase.Canceled

Description描述

The system cancelled tracking for the touch, as when (for example) the user puts the device to her face or more than five touches happened simultaneously. This is the final phase of a touch.

系统取消跟踪触摸，如用户把屏幕放到他脸上或超过五个接触同时发生。这是一个触摸的最后状态。