在Canvas上实现的打字的效果，主要是思路截取一个就即时的绘制一个-Typing in the Canvas to achieve the effect, mainly on the idea of a real-time rendering the interception of a

主要用于采集加速度传感器的数值，实时绘制在坐标轴上面，绘图采用第三方库acharengine，同时用到handler编程-Mainly used for collecting value accelerometer, real-time rendering in the axis above the drawing using third-party libraries acharengine, use both handler programming

多选功能，ajax 渲染数据，支持搜索框实时搜索(Multi-select function, ajax rendering data, support search box real-time search)