This is an overview I wrote last year on the things you shouldn't change in your app if you want updates to go smoothly: http://android-developers.blogspot.com/2011/06/things-that-cannot-change.html
On Sun, Jun 3, 2012 at 4:09 AM, Kostya Vasilyev <kmans...@gmail.com> wrote: > > 03.06.2012 14:22, David Ross написал: > > Sadly, this does not work at all well. Just as when you have a widget >> and you uninstall the app you get the horrid "Problem Loading Widget" >> message, the same thing happens when the user accepts the update from >> the Play site. >> > > Never seen this with my own widgets, or other installed widgets on any of > my phones. > > Now, if the updated package uses a different class name for "the same" > widgets, the home screen won't know this, and the user will get the message > you describe. > > So, pick those class names carefully, and don't change them :) > > Besides, package updates happen all the time during development > (run/debug), and they doesn't cause existing widgets to go sour. > > In fact, the launcher will update all of them just after the installation > is complete to ensure consistency with new code and assets. > > > Also watch out for irritating things like ghost widgets on lower API >> levels (1.6) when unexpected things happen like there's not enough >> home screen space for your widget. I keep my own track of the widgets >> so I can detect and ignore ghost widgets. >> > > I've seen ghost widget ids on my Galaxy Nexus with 4.0.4, so don't throw > that code away just yet :) > > > -- > Kostya Vasilyev > > > -- > 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<android-developers@googlegroups.com> > To unsubscribe from this group, send email to > android-developers+**unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> > -- 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, 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. -- 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
