I am having the same problem. Richards solution doasnt help either.

Any advice?

On 5 maj, 00:13, Jinru He <mikehe1...@gmail.com> wrote:
> Hi, Xavier,
>
> I encounter the same problem. and I am pretty sure that I didnot have
> thegenfolderbefore updating to ADT 0.9
>
> How can i solve this problem?
>
> Thanks!
>
> On 4月30日, 下午5时54分, Xavier Ducrohet <x...@android.com> wrote:
>
> > When updating an old project that doesn't have thegensourcefolder
> > setup, it first detects if thegenfolderalreadyexists, and if so,
> > generates this error.
> > The idea was tonotconvertand pre-existinggenfolder(or file) into
> > an Eclipsesourcefolder.
>
> > Are you sure you didn't have thegenfolderbefore updating to ADT 0.9?
>
> > thanks
> > Xav
>
> > On Thu, Apr 30, 2009 at 2:46 PM, Richard Schilling
>
> > <richard.rootwirel...@gmail.com> wrote:
>
> > > O.K. I resolved this.  The problem was related to the fact that
> > > Eclipse couldn't properly handle thegendirectory that it created.
> > > This error is generated:
>
> > > [2009-04-30 14:14:15 - MyApp] /MyApp/genalreadyexistsbutisnota
> > >sourcefolder.Convertto asourcefolderorrenameit.
>
> > > So, here's how I resolved this problem:
>
> > > 1. Make sure Android 1.1 platform is selected for the project.
> > > 2. Delete thegendirectory - let Eclipse update .classpath (if it
> > > asks).
> > > 3. Clean the project - Eclipse will regenerate thegendirectory
> > > 4. Add the directorygento the Javasourceclasspath if R.java cannot
> > > be resolved.
> > > 5. Clean the project again.
> > > 6. if you still have a problem with the above error showing up, delete
> > > thegendirectory again and let Eclipse regenerate it.
>
> > > This should clear up the error.  Perhaps a change to the Eclipse
> > > plugin or the Eclipse API needs to be made - I don't know.
>
> > >But, at least my projects are building now.
>
> > > Cheers,
>
> > > Richard Schilling
> > > Root Wireless, Inc.
> > >www.rootwireless.com
>
> > > On Apr 30, 2:34 pm, Richard Schilling <richard.rootwirel...@gmail.com>
> > > wrote:
> > >> I also get this in the message window:
>
> > >> [2009-04-30 14:14:15 - MyApp] /MyApp/genalreadyexistsbutisnota
> > >>sourcefolder.Convertto asourcefolderorrenameit.
>
> > >> Richard
>
> > >> On Apr 30, 2:29 pm, Richard Schilling <richard.rootwirel...@gmail.com>
> > >> wrote:
>
> > >> > I have a number of projects that were built and ran just fine under
> > >> > the 1.1 version of the SDK.  I'm updating all of my projects.  Some
> > >> > projects update with no problem.
>
> > >> >But, some Eclipse projects don't regenerate R.java properly in thegen
> > >> > directory.
>
> > >> > I've set the Android platform to 1.1.
> > >> > I've cleaned the project.
> > >> > I've refreshed the project.
> > >> > R.java is stillnotbeing generated.
>
> > >> > Help!  This issue prevents production applications from being bult at
> > >> > the moment.
>
> > >> > Richard Schilling
> > >> > Root Wireless- Hide quoted text -
>
> > >> - Show quoted text -
>
> > --
> > Xavier Ducrohet
> > Android Developer Tools Engineer
> > Google Inc.
>
>
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