[android-developers] Re: Global Variables

Dianne, I also get 404 "No such project"

On Mar 13, 6:42 pm, Dianne Hackborn <hack...@android.com> wrote:
> That's strange, it works for me.
>
> On Sat, Mar 12, 2011 at 11:42 PM, Indicator Veritatis <mej1...@yahoo.com>wrote:
>
>
>
> > I get "no such project" when I try to go to your link.
>
> > On Mar 12, 1:05 am, Dianne Hackborn <hack...@android.com> wrote:
> > > Oh good lord, there is nothing intrinsically evil about globals or
> > > singletons.  Just don't abuse them.
>
> > > For example, say I want to do a query on the package manager about a set
> > of
> > > applications that are available.  If I stick this as local data inside of
> > a
> > > particular activity, then every time the user presses back and returns to
> > > the activity the state needs to be reloaded, and if I want to share that
> > > state with another activity I need to figure out some way to get the
> > object
> > > over to the other activity without using an evil global.
>
> > > Just use a singleton and a global.  It's the appropriate tool for this.
> > >  Like the current code here in Manage Applications, which works 10x
> > better
> > > in gingerbread because it was refactored to have a cleanly controlled
> > > singleton that tracks everything that needs to be known about the
> > installed
> > > applications across all parts of the UI:
>
> > >http://android.git.kernel.org/?p=platform/packages/apps/Settings.git;...
>
> > > On Fri, Mar 11, 2011 at 9:21 PM, Brill Pappin <br...@pappin.ca> wrote:
> > > > Singleton is also one to be avoided however... just like global vars :)
> > > > However, as we're working on a (sort of) limited device, Singletons are
> > a
> > > > way of life.
>
> > > > --
> > > > 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+unsubscribe@googlegroups.com
> > > > For more options, visit this group at
> > > >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+unsubscribe@googlegroups.com
> > For more options, visit this group at
> >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+unsubscribe@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en