AppDelegate.m

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
    BOOL canHandle = NO;
    if ([[NSString stringWithFormat:@"en-%@", [[EvernoteSession sharedSession] consumerKey]] isEqualToString:[url scheme]] == YES) {
    canHandle = [[EvernoteSession sharedSession] canHandleOpenURL:url];
    }
    return canHandle;
}