U can use File object , then write data to SDCARD,that's ok. 2009/3/21 Dianne Hackborn <[email protected]>
> 2009/3/20 zypsg <[email protected]> > >> Do you mean that use openFileOutput and openFileInput to >> save >> my persistent data ? > > > Yes, and there are other methods for creating databases, getting paths, > etc. > > >> I have tried these methods.They create file under /data/data/<my >> package>/files/ directory. I find that when I uninstall the app, the >> file created will be deleted automatically. That doesn't meet my >> requirement. Because when user reinstall my app, I cannot find the >> setup infomationI my app have written into files. > > > This is the intended behavior. Uninstalling an app removes all of its > data. Otherwise its data is left laying around for the user to manage. > Maybe in the future we will have a UI option to uninstall an app but keep > its data (the package manager can already do this), but this leads to a much > more complicated user experience so it is a low priority. > > >> Is there a directory or method to keep the file even if the user >> uninstall my app ,so that I can find previous infomation about my app >> when user install my app again. > > > No, sorry. Uninstalling is supposed to clean up everything of the app. > > -- > 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. All such questions should be posted on public > forums, where I and others can see and answer them. > > > > > -- Best Regards! -------------------------------------------------------------------------------- 王心锋 Software Engineer/AndroidOS Creator Email: [email protected]| Web: http://androidos.cc| Community: http://androidos.cc/bbs Tel:0551-2341751 Mobile: 13485512230 Address: 34#503,7#602 ShuNanTingYuan, WangJiang Road,HeFei City,An Hui Province --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
