Blocks

gistfile1.txt

AppStoreConnectionHandler *appStoreConnection = [[AppStoreConnectionHandler alloc] init];
    [appStoreConnection initiateConnectionForAppURL:[NSURL URLWithString:appURL] withCompletionBlock:^(NSURL *appURL, BOOL finished, NSError *error){
        if (finished) {
            BOOL canOpenURL = [[UIApplication sharedApplication] canOpenURL:appURL];
            if (canOpenURL) {
                [[UIApplication sharedApplication] openURL:appURL];
            }else {
                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Sorry" message:@"Application cannot open the URL" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
                [alert show];
            }
        }else {
            if (error) {
                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Sorry" message:[error localizedDescription] delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];
                [alert show];
            }
        }
    }];