在使用umeng分享的时候，混淆出现以下错误：
Can't find common super class of [com/umeng/socialize/shareboard/IndicatorView] (with 3 known super classes) and [com/umeng/socialize/shareboard/SocializeMenuAdapter] (with 1 known super classes)
解决方法在proguard-rules.pro文件添加 -dontpreverify：
# 不做预校验
-dontpreverify