thanks for the answer. I will try it, as soon as my new mobile sim
card has been activated ;). In the 2.3 emulator it worked with another
account...

ClientLogin: I did not find any sample code. The best documented way I
found was Nick's blog. Maybe Google should provide some Tutorials/libs
with sample code, that demonstrates the "perfect way" to authenticate
an Android app with app engine using Google accounts...



On 5 Feb., 21:38, Fabrizio Accatino <[email protected]> wrote:
> Perhaps your authentication token was expired.
>
> In the android app, call .invalidateAuthToken(account.type, authToken)
> on AccountManager class.
> This releases the current authentication token. Then call again getAuthToken
> to obtain a new and fresh authentication token.
>
> A note: AFAIK Android uses ClientLogin and not 
> OAuth.http://code.google.com/apis/accounts/docs/AuthForInstalledApps.html
>
>    Fabrizio
>
> On Fri, Feb 4, 2011 at 11:57 PM, Sky <[email protected]>wrote:
>
> > Hi all,
>
> > I am using the oauth authentication process to authenticate Android to
> > App Engine described in Nick's blog:
>
> >http://blog.notdot.net/2010/05/Authenticating-against-App-Engine-from...
>
> > This worked fine until today. Today the authentication on app engine
> > fails -> boolean authenticated = userServiceManager.isUserLoggedIn();
> > returns always false.
>
> > Is anyone out there using the same authentication process and has the
> > same problem?
> > Are there any changes concerning the URL the cookie is fetched?
> > HttpGet http_get = new HttpGet("https://yourapp.appspot.com/_ah/login?
> > continue=http://localhost/&auth=<https://yourapp.appspot.com/_ah/login?continue=http://localhost/&auth=>"
> > + tokens[0]);
>
> > thanks!
>
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