获得屏幕宽度
http://blog.sina.com.cn/s/blog_59f3b7970100gqyu.html

//     WindowManager manage=getWindowManager();//     Display display=manage.getDefaultDisplay();//     screenHeight=display.getHeight();//     screenWidth=display.getWidth();

动态添加控件
http://blog.csdn.net/zcpangzi/article/details/5420805
http://www.iteye.com/topic/717932