Unable to instantiate activity ComponentInfo和Didn't find class " " on path: DexPathList

錯誤描述: 今天做了一個關於傳感器的demo，任何地方都沒有出錯，但是運行安裝到真機的apk居然老是閃退 報:Unable to instantiate activity ComponentInfo   Didn't find class " " on path: DexPathList  過程: 用百度和谷歌搜了老半天，試了好多說實話對我遇到的錯誤沒有任何意義；又看了一編logcat，同時我發現

>>阅读原文<<