// Get Canvas
public static Canvas GetCanvas(GameObject gameObject = null)
{
Canvas canvas = (gameObject != null) ? UGUITools.FindInParents <Canvas>(gameObject) : null;
if (canvas == null)
{
canvas = GameObject.FindObjectOfType <Canvas>();
}
// If no root found, create one
if (canvas == null)
{
canvas = AddCanvas(gameObject);
}
return(canvas);
}