Android在外部修改瞭工程名文件夾名稱，報錯
FATAL EXCEPTION: main
Process: com.rhitland.temphosp, PID: 1842
java.lang.RuntimeException: Unable to instantiate application com.rhitland.temphosp.App: java.lang.ClassNotFoundException: Didn't find class "com.rhitland.temp.App" on path: DexPathList[[zip file "/data/app/com.rhitland.temphosp-2/base.apk"],nativeLibraryDirectories=[/data/app/com.rhitland.temphosp-2/lib/arm, /vendor/lib, /system/lib]]
解決：
Build – Clean Project
Build – Rebuild Project
重新運行安裝。