Hi Dianne, Please respond.
On Apr 21, 6:27 pm, Ask <[email protected]> wrote: > >executing code from the SD card is a security hole for your app, no > >matter how short a time you have the code there. > > now I am successful in writing file in the /data/app-private/ dir > rather than /sdcard. So one problem is solved. > > but still I cant invoke intents in the method which is called > dynamically using PathClassLoader. > > If android does not support dynamic loading of classes from another > application then my question to google engineers is that why You have > provided the APIs like PathClassLoader , DexClassLoader and DexFile?? > > why the variables (which are defined outside the invoked method but > inside the loaded class) throwing null pointer exception and why the > problem occurs with intents( which are used in the invoked method) > gives null pointer exception at startActivity(intent); line. Is there > anyway to solve this problem. > > My aim is to send the .apk files dynamically from the desktop > using socket communication and execute one method in this .apk at > runtime . After executing this methos I will delete this .apk file. > > Thanks, > Asif > > On Apr 20, 1:13 pm, Dianne Hackborn <[email protected]> wrote: > > > > > On Sun, Apr 19, 2009 at 3:37 AM, Ask <[email protected]> wrote: > > > >I am writing the file in the /sdcard using the application > > > programmatically and the same file I am deleting when its work has been > > > done. Same thing I had tried in the /data/app-private file but I could not > > > write the file prgrammatically.. Is there any way to write in the private > > > dir programmatically using changing permissions?? > > > I am having a lot of trouble visualizing what you are trying to do, but if > > you are getting in to situations where you are trying to write to an app > > directory with a different UID, you really need to step back and rethink > > what you are doing. > > > Also, executing code from the SD card is a security hole for your app, no > > matter how short a time you have the code there. > > > -- > > Dianne Hackborn > > Android framework engineer > > [email protected] > > > Note: please don't send private questions to me, as I don't have time to > > provide private support, and so won't reply to such e-mails. All such > > questions should be posted on public forums, where I and others can see and > > answer them.- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
