baidu map collection
java.lang.RuntimeException: A mapview has been created!!

创建了多的baidu mapview


一个比较详细的例子
http://www.cnblogs.com/eustoma/archive/2012/06/05/2536903.html


android根据经纬度反向查地址
http://yafei.iteye.com/blog/1396200