@Override
    public boolean login() {
        // login
        final StatusCode status = GCLogin.getInstance().login();
        // update cache counter
        FoundNumCounter.getAndUpdateFoundNum(this);

        return status == StatusCode.NO_ERROR;
    }
Remove a cache from the favorites list.
<br>
This must not be called from the UI thread.

@param cache the cache to add
@return {@code true} if the cache was successfully added, {@code false} otherwise
main/src/main/java/cgeo/geocaching/connector/gc/GCConnector.java