Hi Guys, Is android will wipe the preference variables data when the application version is upgraded??
On Jun 25, 3:44 pm, santha <[email protected]> wrote: > Thanks for the information..... > > But in my application i want to backup the data when clicks on Factory > Reset.. for that purpose i browse in the internet and came to know > that android-2.2 provides Android Backup service.. But i dont know how > much it is safe?? > > could any one has tried this?? > On Jun 25, 11:54 am, FrankG <[email protected]> wrote: > > > In my experience the manufacturer has in his "update" software the > > whole > > control whether he wants to delete only user data, or everything > > before he update the device. > > > But IMHO to avoid any trouble during the update, they prefer to delete > > everything. > > > I.E. they could run into trouble with already set persistent system > > variables or already > > existing Shared Preferences and other dangling things like sysfs > > entries and so on. > > > And I could also imagine that they want to force the user to make his > > system settings again ( > > Language, Time , Emails clients, Home Screen and so on ..) > > > Best regards ! > > > Frank > > > Frank > > > On 25 Jun., 06:18, Indicator Veritatis <[email protected]> wrote: > > > > Right. And with very rare exception (mentioned earlier in this > > > thread), and unfortunate exception at that, an OS upgrade from the > > > phone manufacturer will not wipe everything. Certainly not for > > > Android. But one should expect a factory reset to wipe all user data: > > > that is why it is called "factory reset": it resets the state of the > > > phone to what it was when it left the factory. > > > > Of course, you know this, Mark. I added it only for the benefit of > > > others who might not. > > > > On Jun 24, 12:11 pm, Mark Murphy <[email protected]> wrote: > > > > > On Thu, Jun 24, 2010 at 6:47 AM, Jon Wikman <[email protected]> > > > > wrote: > > > > > I lost all apps and data when I did a factory reset of my Android > > > > > phone (X10 Mini). > > > > > A factory reset is supposed to wipe everything. An OS upgrade is not. > > > > > -- > > > > Mark Murphy (a Commons > > > > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > > > > Android App Developer Books:http://commonsware.com/books-ZitiertenText > > > > ausblenden - > > > > - Zitierten Text anzeigen - -- 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
