Question

Description 描述

AndroidInput provides support for off-screen touch input, such as a touchpad.
AndroidInput为离屏（off-screen）触摸提供输入支持，比如触摸板。

Static Variables 静态变量

secondaryTouchEnabled	Property indicating whether the system provides secondary touch input. 该属性表示系统是否提供触摸板输入
secondaryTouchHeight	Property indicating the height of the secondary touchpad. 该属性表示触摸板的高度
secondaryTouchWidth	Property indicating the width of the secondary touchpad. 该属性表示触摸板的宽度
touchCountSecondary	Number of secondary touches. Guaranteed not to change throughout the frame. (Read Only). 触摸板的数量，保证不会在一帧内改变

Static Functions 静态函数

GetSecondaryTouch

Returns object representing status of a specific touch on a secondary touchpad (Does not allocate temporary var 返回一个表示触摸板对象的状态（不分配临时变量）