android – 如何检测Pixelbook Pen按钮？

概述我按照 the doc here捕捉Pixelbook笔在绘制时按下的按钮,但TOOL_TYPE_ERASER事件永远不会被抛出.当我尝试打印日志时,我认为按住和释放按钮之间没有任何区别： onTouchEvent:MotionEvent { action=ACTION_DOWN, actionButton=0, id[0]=0, x[0]=2010.4766, y[0]=778.10156, t 我按照 the doc here捕捉Pixelbook笔在绘制时按下的按钮,但TOol_TYPE_ERASER事件永远不会被抛出.当我尝试打印日志时,我认为按住和释放按钮之间没有任何区别：

ontouchEvent:MotionEvent { action=ACTION_DOWN,actionbutton=0,ID[0]=0,x[0]=2010.4766,y[0]=778.10156,toolType[0]=TOol_TYPE_STYLUS,buttonState=0,MetaState=0,flags=0x0,edgeFlags=0x0,pointerCount=1,historySize=0,eventTime=1395185,downTime=1395185,deviceid=1,source=0x1002 }2018-09-29 16:15:35.527 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2009.2734,y[0]=777.6406,historySize=4,eventTime=1395195,source=0x1002 }2018-09-29 16:15:35.552 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2008.0703,y[0]=776.71484,historySize=9,eventTime=1395221,source=0x1002 }2018-09-29 16:15:35.569 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2007.8867,y[0]=776.25,historySize=3,eventTime=1395238,source=0x1002 }2018-09-29 16:15:35.594 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,y[0]=775.6953,historySize=7,eventTime=1395263,source=0x1002 }2018-09-29 16:15:35.611 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2008.2578,y[0]=774.58594,historySize=6,eventTime=1395280,source=0x1002 }2018-09-29 16:15:35.624 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2008.3477,y[0]=773.28906,historySize=5,eventTime=1395295,source=0x1002 }2018-09-29 16:15:35.624 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_UP,eventTime=1395297,source=0x1002 }2018-09-29 16:15:42.632 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_DOWN,x[0]=2018.3477,y[0]=1013.64453,eventTime=1402304,downTime=1402304,source=0x1002 }2018-09-29 16:15:42.643 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2018.5312,historySize=2,eventTime=1402312,source=0x1002 }2018-09-29 16:15:42.660 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,x[0]=2018.1641,y[0]=1013.5508,eventTime=1402329,source=0x1002 }2018-09-29 16:15:42.668 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_MOVE,y[0]=1013.46094,eventTime=1402337,source=0x1002 }2018-09-29 16:15:42.669 2926-2926/com.  ontouchEvent:MotionEvent { action=ACTION_UP,eventTime=1402342,source=0x1002 }

我的Chrome *** 作系统版本：69.0.3497.95(官方版)(64位)

解决方法 谷歌团队确认该事件被系统占用,应用程序无法用当前的API捕获. 总结

以上是内存溢出为你收集整理的android – 如何检测Pixelbook Pen按钮？全部内容，希望文章能够帮你解决android – 如何检测Pixelbook Pen按钮？所遇到的程序开发问题。

如果觉得内存溢出网站内容还不错，欢迎将内存溢出网站推荐给程序员好友。