Unbelievable... I have figured out by chance.
*DexClassLoader.loadClass* fails if param *dexPath* (of *...newDexClassLoader(String dexPath ...)* does not end with "*.jar*". Since when does file-extension matter on *nix systems?! Unbelievable... On Tuesday, July 9, 2013 4:41:40 PM UTC+2, Grigory F. wrote: > > Hi all, > > I've already spend a lot hours and really come to no solution. Any > help or hints would be great. > > What I'm doing: > > 1. use a custom "build.xml" to add a package as asset to my app > > 2. on the app start read from asset and write the jar-file to private > app-directory (/data/data/MY_PACKAGE/app_dex/JAR_FILE) > > 3. then using DexClassLoader.loadClass and an interface of this class > I call a method > > The whole thing works on Android 2.1 and has worked some months ago on > Jelly Bean too. If I run the app from eclipse it works as well. But if > I do "ant release" and install the ...release.apk to my device (4.2.2) > I get: > > java.lang.ClassNotFoundException: Didn't find class "MY_CLASS" on > path: /data/data/MY_PACKAGE/app_dex/JAR_FILE > > I've already checked, the JAR_FILE exists, it's readable. > > I've also extracted the asset-file and done "dexdump" - the class is > there, the name is correct. And as I say, this works on Android 2.1 > > Really no idea... it's on ADT 17? > > > > Kind regards, > Grigory > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
