Unity 3D: How to Post to Twitter from your Unity Game

Nobody can deny the power of social media in building an audience for your game. I'm going to be writing a few posts detailing the simplest ways I know of for sharing your game via some popular social media sites; today, I'm going to focus on Twitter.

I create almost all of my buttons with NGUI. If you're not using it, I've written a very simple post on getting started with it. If you're using NGUI, you'll call the ShareToTwitter () method in the OnClick () method of the button of your choice, passing in the text you'd like to share. Regardless, you just need to call this method with the text that you'd like to share, hashtags and all.

private const string TWITTER_ADDRESS = "http://twitter.com/intent/tweet";
private const string TWEET_LANGUAGE = "en";

void ShareToTwitter (string textToDisplay)
{
Application.OpenURL(TWITTER_ADDRESS +
            "?text=" + WWW.EscapeURL(textToDisplay) +
            "&lang=" + WWW.EscapeURL(TWEET_LANGUAGE));
}

So what are we doing here? Well, we're opening a URL, which in this case is the URL that Twitter uses to allow us to post to our account. On a PC, this will open the browser and attempt to post Twitter the textToDisplay parameter. On mobile devices, this will open the Twitter app or the browser, depending on what the user has.

You can build up the textToDisplay parameter however you like; just remember the 140-character limit. Include hashtags, a link, your score, whatever.