sdk/src/com/socialize/networks/SocialNetworkSignOutTask.java
@Override
	protected Void doInBackground(Void... args) {
		switch (type) {
		case FACEBOOK:
			FacebookUtils.unlink(context.get());
			break;
		case TWITTER:
			TwitterUtils.unlink(context.get());
			break;
		}
		return null;
	}
@Override
	protected Void doInBackground(Void... args) {
		switch (type) {
		case FACEBOOK:
			FacebookUtils.unlink(context.get());
			break;
		case TWITTER:
			TwitterUtils.unlink(context.get());
			break;
		}
		return null;
	}
/* (non-Javadoc)
@see android.os.AsyncTask#doInBackground(Params[])