FBConnect - sessionValid - AFTER delete application at the facebook-website - ios

Question

In my iOS iPhone app I use facebook connect. The SSO works wonderfully, I can post to wall etc., But there is one problem:
I start my app
allow facebook to connect
everything is fine in the app
BUT NOW ...
I delete the application on the facebook website!
If I start my app now - the NSLOG says, the FB-Connections is OK. ..?
So I thought, If I delete the applications online in my account, the iphone app has NO validSession and has to ask for a new login, but this failed.
What is wrong? How can I check that in the right way? Or how log is the sessionValid? Is there a timelimit before the method will run again? So was my check (delete online, start app again) to quick?
---- UPDATE:
- (void)fbLogin:(id)sender{
NSLog(#"FB Login Alert");
[self checkForPreviouslySavedAccessTokenInfo];
if (!isConnected == YES) {
NSLog(#"NO - Facebook Connection");
UIAlertView *popupFacebook = [[UIAlertView alloc]
initWithTitle:NSLocalizedString(#"Headline_FacebookL", #"Headline")
message:NSLocalizedString(#"Facebook-Text", #"Facebook")
delegate:self
cancelButtonTitle:NSLocalizedString(#"later",#"Facebook Login später")
otherButtonTitles:NSLocalizedString(#"Facebook",#"Login"), nil];
popupFacebook.tag = alertFacebook;
[popupFacebook show];
[popupFacebook release];
}
else{
NSLog(#"Facebook Connection OK");
}
}
(void)checkForPreviouslySavedAccessTokenInfo:
-(void)checkForPreviouslySavedAccessTokenInfo{
// Initially set the isConnected value to NO.
isConnected = NO;
NSLog(#"FB Status erst mal auf NEIN");
// Check if there is a previous access token key in the user defaults file.
appDelegate.facebook = [[Facebook alloc] initWithAppId:#"XXXXXXXXX" andDelegate:(AppDelegate *) [[UIApplication sharedApplication] delegate]];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([defaults objectForKey:#"FBAccessTokenKey"]
&& [defaults objectForKey:#"FBExpirationDateKey"]) {
appDelegate.facebook.accessToken = [defaults objectForKey:#"FBAccessTokenKey"];
appDelegate.facebook.expirationDate = [defaults objectForKey:#"FBExpirationDateKey"];
}
// Check if the facebook session is valid.
// If it’s not valid clear any authorization and mark the status as not connected.
if (![appDelegate.facebook isSessionValid]) {
//[facebook authorize:permissions];
isConnected = NO;
NSLog(#"FB NO");
}
else {
isConnected = YES;
NSLog(#"FB YES");
}
}
SWITCH:
-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
NSLog(#"clicking");
//NSString *title = [actionSheet buttonTitleAtIndex:buttonIndex];
if (alertView.tag == alertWelcome ) {
if (buttonIndex == 0) {
NSLog(#"close");
}
}
else if (alertView.tag == alertFacebook ) {
if (buttonIndex == 0) {
NSLog(#"später");
}
if (buttonIndex == 1) {
//self.label.text = NSLocalizedString(#"Facebook",#"Login"),
[self fbActive:nil];
NSLog(#"Login to FB");
}
}
}
Permissions:
-(void)fbActive:(id)sender{
if (![appDelegate.facebook isSessionValid]) {
NSArray *permissions = [[NSArray alloc] initWithObjects:
#"user_likes",
#"read_stream",
#"user_status",
#"publish_stream",
//#"publish_actions",
//#"manage_pages",
#"read_requests",
nil];
[appDelegate.facebook authorize:permissions];
NSLog(#"FB - Permissions");
[permissions release];
}
}