Also keep in mind that doing this kind of thing is completely insecure. Any app can go and modify your files on the sd card to insert their own code into your app and run under your identity. Then any malicious things they do with your app's permissions are the fault of your app.
On Wed, Mar 18, 2009 at 4:39 PM, fadden <fad...@android.com> wrote: > > On Mar 18, 7:29 am, Asif k <asifk1...@gmail.com> wrote: > > I am storing the required test.jar file in the /sdcard. I want to > > load it dynamically at runtime and want to execute a function xyz() > > resides in that. For this purpose > > > > I had written following code , > > This doesn't work -- in 1.0 you can't load jar/apk files that aren't > part of your application. The problem is that it wants to pull > classes.dex out of the jar/apk and put it in /data/dalvik-cache, but > it doesn't have permission to do so. > > The "cupcake" release is expected to include the DexClassLoader class, > which allows you to specify a location other than /data/dalvik-cache > for your output files. > > > > But got ClassCastException : dalvik.system.PathClassLoader > > URLClassLoader systemLoader = (URLClassLoader) ClassLoader > .getSystemClassLoader(); > > Assuming that the system class loader is a URLClassLoader is unwise > and unnecessary. Just use ClassLoader. > > > > -- Dianne Hackborn Android framework engineer hack...@android.com Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---