protected override void _logout (Provider provider){
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "logout", provider.ToString());
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

		/// <summary>
		/// Constructor.
		/// </summary>
		/// <param name="provider">The provider this <c>UserProfile</c> belongs to.</param>
		/// <param name="profileId">A unique ID that identifies the current user with the provider.</param>
		/// <param name="username">The username of the current user in the provider.</param>
		/// <param name="extra">Additional info provided by SN.</param>
		protected UserProfile(Provider provider, string profileId, string username, Dictionary<String, JSONObject> extra)
		{
			this.Provider = provider;
			this.ProfileId = profileId;
			this.Username = username;
			this.Extra = extra;
		}

		/// <summary>
		/// Constructor.
		/// </summary>
		/// <param name="id"><c>Gate</c> ID.</param>
		/// <param name="provider">Social provider.</param>
		/// <param name="fileName">Name of file to upload.</param>
		/// <param name="message">Message.</param>
		/// <param name="texture">Texture.</param>
		public SocialUploadGate(string id, Provider provider, string fileName, string message, Texture2D texture)
			: base(id, provider)
		{
			FileName = fileName;
			Message = message;
			ImgTexture = texture;
		}

		public SocialActionFailedEvent(Provider provider, SocialActionType socialType, String errorDescription, String payload) : base(provider)
		{
			this.provider = provider;
			this.SocialType = socialType;
			this.payload = payload;
			this.ErrorDescription = errorDescription;
		}

		protected override void _updateStatus(Provider provider, string status, string payload){
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "updateStatus", provider.ToString(), status, payload);
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

		public GetScoresFailedEvent(Provider provider, Leaderboard from, bool fromStart, string errorDescription, string payload)
			: base(provider, payload)
		{
			this.From = from;
			this.FromStart = fromStart;
			this.ErrorDescription = errorDescription;
		}

		protected override void _pushEventLoginFailed(Provider provider, string message, bool autoLogin, string payload) {
			if (SoomlaProfile.IsProviderNativelyImplemented(provider)) return;
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.ProfileEventHandler")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "pushEventLoginFailed", provider.ToString(), message, autoLogin, payload);
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

		protected override void _pushEventLogoutFinished(Provider provider) {
			if (SoomlaProfile.IsProviderNativelyImplemented(provider)) return;
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.ProfileEventHandler")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "pushEventLogoutFinished", provider.ToString());
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

 protected override void _getFeed(Provider provider, bool fromStart, string payload)
 {
     AndroidJNI.PushLocalFrame(100);
     using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
         ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "getFeed", provider.ToString(), fromStart, payload);
     }
     AndroidJNI.PopLocalFrame(IntPtr.Zero);
 }

		protected override void _pushEventSocialActionStarted(Provider provider, SocialActionType actionType, string payload) { 
			if (SoomlaProfile.IsProviderNativelyImplemented(provider)) return;
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.ProfileEventHandler")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "pushEventSocialActionStarted",
				                                 provider.ToString(), actionType.ToString(), payload);
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

		/// <summary>
		/// Constructor.
		/// </summary>
		/// <param name="id"><c>Gate</c> ID.</param>
		/// <param name="provider">Social provider.</param>
		/// <param name="message">Message for the story.</param>
		/// <param name="name">Story name.</param>
		/// <param name="caption">Caption for the story image.</param>
		/// <param name="link">Link for the story.</param>
		/// <param name="imgUrl">Image URL for the story.</param>
		public SocialStoryGate(string id, Provider provider, string message, string storyName, string caption, string link, string imgUrl)
			: base(id, provider)
		{
			Message = message;
			StoreName = storyName;
			Caption = caption;
			Link = link;
			ImgUrl = imgUrl;
		}

		protected override void _updateStory(Provider provider, string message, string name,
		                                     string caption, string description, string link,
		                                     string pictureUrl, string payload){
			AndroidJNI.PushLocalFrame(100);
			using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
				ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "updateStory", provider.ToString(), message, name,
				                                 caption, description, link, pictureUrl, payload);
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

		protected override void _login(Provider provider, string payload){
			AndroidJNI.PushLocalFrame(100);
			using (AndroidJavaClass unityActivityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer")) {
				using(AndroidJavaObject unityActivity = unityActivityClass.GetStatic<AndroidJavaObject>("currentActivity")) {
					using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
						ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "login", unityActivity, provider.ToString(), payload);
					}
				}
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
		}

        protected override void _pushEventGetContactsFinished(Provider provider, SocialPageData<UserProfile> contactsPage, string payload)
        {
            if (SoomlaProfile.IsProviderNativelyImplemented(provider)) return;
            List<JSONObject> profiles = new List<JSONObject>();
            foreach (var profile in contactsPage.PageData) {
                profiles.Add(profile.toJSONObject());
            }
            JSONObject contacts = new JSONObject(profiles.ToArray());

            soomlaProfile_PushEventGetContactsFinished(provider.ToString(), contacts.ToString(), payload, contactsPage.HasMore);
        }

        protected override UserProfile _getStoredUserProfile(Provider provider)
        {
            IntPtr p = IntPtr.Zero;
            int err = soomlaProfile_GetStoredUserProfile(provider.ToString(), out p);
            IOS_ProfileErrorCodes.CheckAndThrowException(err);

            string json = Marshal.PtrToStringAnsi(p);
            Marshal.FreeHGlobal(p);
            SoomlaUtils.LogDebug(TAG, "Got json: " + json);

            JSONObject obj = new JSONObject(json);
            return new UserProfile(obj);
        }

		protected override bool _isLoggedIn(Provider provider) {
			bool loggedIn;
			AndroidJNI.PushLocalFrame(100);
			using (AndroidJavaClass unityActivityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer")) {
				using(AndroidJavaObject unityActivity = unityActivityClass.GetStatic<AndroidJavaObject>("currentActivity")) {
					using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
						loggedIn = ProfileJNIHandler.CallStatic<bool>(jniSoomlaProfile, "isLoggedIn", unityActivity, provider.ToString());
					}
				}
			}
			AndroidJNI.PopLocalFrame(IntPtr.Zero);
			return loggedIn;
		}

        /// <summary>
        /// Get the current active access token.
        /// Supported platforms: Facebook, Twitter (returns a json string with token and token_secret), Google+
        /// </summary>
        /// <returns>If is logged into the specified provider, returns the active access tkoen.</returns>
        /// <param name="provider">The provider to get the active access token for.</param>
        public static string GetAccessToken(Provider provider)
        {
            SocialProvider targetProvider = GetSocialProvider(provider);
            if (targetProvider == null)
                return null;

            if (targetProvider.IsNativelyImplemented ())
            {
                //fallback to native
                return instance._getAccessToken(provider);
            }

            return targetProvider.GetAccessToken();
        }

		public Leaderboard(JSONObject jsonLB) {
			this.ID = jsonLB[PJSONConsts.UP_IDENTIFIER].str;
			this.Provider = Provider.fromString(jsonLB[PJSONConsts.UP_PROVIDER].str);
			if (jsonLB[PJSONConsts.UP_NAME] != null && jsonLB[PJSONConsts.UP_NAME].type == JSONObject.Type.STRING) {
				this.Name = jsonLB[PJSONConsts.UP_NAME].str;
			} else {
				this.Name = "";
			}
			if (jsonLB[PJSONConsts.UP_ICON_URL] != null && jsonLB[PJSONConsts.UP_ICON_URL].type == JSONObject.Type.STRING) {
				this.IconURL = jsonLB[PJSONConsts.UP_ICON_URL].str;
			} else {
				this.IconURL = "";
			}
		}

 protected override string _getAccessToken(Provider provider)
 {
     string accessToken;
     AndroidJNI.PushLocalFrame(100);
     using (AndroidJavaClass unityActivityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer")) {
         using(AndroidJavaObject unityActivity = unityActivityClass.GetStatic<AndroidJavaObject>("currentActivity")) {
             using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.UnitySoomlaProfile")) {
                 accessToken = ProfileJNIHandler.CallStatic<string>(jniSoomlaProfile, "getAccessToken", unityActivity, provider.ToString());
             }
         }
     }
     AndroidJNI.PopLocalFrame(IntPtr.Zero);
     return accessToken;
 }

        protected override void _pushEventGetContactsFinished(Provider provider, SocialPageData<UserProfile> contactsPage, string payload)
        {
            if (SoomlaProfile.IsProviderNativelyImplemented(provider)) return;
            List<JSONObject> profiles = new List<JSONObject>();
            foreach (var profile in contactsPage.PageData) {
                profiles.Add(profile.toJSONObject());
            }
            JSONObject contacts = new JSONObject(profiles.ToArray());

            AndroidJNI.PushLocalFrame(100);
            using(AndroidJavaClass jniSoomlaProfile = new AndroidJavaClass("com.soomla.profile.unity.ProfileEventHandler")) {
                ProfileJNIHandler.CallStaticVoid(jniSoomlaProfile, "pushEventGetContactsFinished",
                                                 provider.ToString(), contacts.ToString(), payload, contactsPage.HasMore);
            }
            AndroidJNI.PopLocalFrame(IntPtr.Zero);
        }