brew sdk 自带的一个小程序 适合初学者-WhiteBoard is drawing program which allows the user to render simple geometric shapes to the phone s display.

绘制各种图形的类--Class which can draw all kinds of images

“whiteboard”应用程序允许用户绘制不同大小和颜色的几何形状。 可以在任何时间删除部分或全部几何形状图形。 绘制图形的大小和颜色的选择由设备的屏幕大小和该设备所支持的颜色深度决定。-This “virtual whiteboard” application allows the user to draw geometric shapes of various sizes and colors. All or part of a drawing can be era

shapes that are in the brew apps