/// <summary>
/// Show Twitter composer
/// <param name="session">User’s session from Login</param>
/// <param name="imageUri">uri of image to include in tweet</param>
/// <param name="text">text to tweet to pre-fill</param>
/// <param name="hashtags">hashtags to pre-fill</param>
/// <param name="successCallback">Callback to call on success</param>
/// <param name="failureCallback">Callback to call on failure</param>
/// <param name="cancelCallback">Callback to call on cancel</param>
/// </summary>
public static void ComposeWithVideo(TwitterSession session, String videoUri, String text, string[] hashtags = null, Action <string> successCallback = null, Action <ApiError> failureCallback = null, Action cancelCallback = null)
{
twitterGameObject.GetComponent <TwitterComponent> ().tweetSuccessAction = successCallback;
twitterGameObject.GetComponent <TwitterComponent> ().tweetFailureAction = failureCallback;
twitterGameObject.GetComponent <TwitterComponent> ().tweetCancelAction = cancelCallback;
twitter.ComposeWithVideo(session, videoUri, text, hashtags);
}