public static bool CheckManifest()

in Facebook.Unity.Editor/android/ManifestMod.cs [68:111]
37 lines of code
6 McCabe index (conditional complexity)

        public static bool CheckManifest()
        {
            bool result = true;
            var outputFile = Path.Combine(Application.dataPath, ManifestMod.AndroidManifestPath);
            if (!File.Exists(outputFile))
            {
                Debug.LogError("An android manifest must be generated for the Facebook SDK to work.  Go to Facebook->Edit Settings and press \"Regenerate Android Manifest\"");
                return false;
            }

            XmlDocument doc = new XmlDocument();
            doc.Load(outputFile);

            if (doc == null)
            {
                Debug.LogError("Couldn't load " + outputFile);
                return false;
            }

            XmlNode manNode = FindChildNode(doc, "manifest");
            XmlNode dict = FindChildNode(manNode, "application");

            if (dict == null)
            {
                Debug.LogError("Error parsing " + outputFile);
                return false;
            }

            XmlElement loginElement;
            if (!ManifestMod.TryFindElementWithAndroidName(dict, UnityLoginActivityName, out loginElement))
            {
                Debug.LogError(string.Format("{0} is missing from your android manifest.  Go to Facebook->Edit Settings and press \"Regenerate Android Manifest\"", UnityLoginActivityName));
                result = false;
            }

            var deprecatedMainActivityName = "com.facebook.unity.FBUnityPlayerActivity";
            XmlElement deprecatedElement;
            if (ManifestMod.TryFindElementWithAndroidName(dict, deprecatedMainActivityName, out deprecatedElement))
            {
                Debug.LogWarning(string.Format("{0} is deprecated and no longer needed for the Facebook SDK.  Feel free to use your own main activity or use the default \"com.unity3d.player.UnityPlayerNativeActivity\"", deprecatedMainActivityName));
            }

            return result;
        }