这也是一个测量相关的仪表盘，整个控件也没有用到一张图片，全是通过canvas和paint绘制的
#Author Wangjia55([email protected]）
http://blog.csdn.net/wangjia55
#效果图
#LICENSE Copyright (c) 2015 WangJia55 [email protected] Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.