diff -r 000000000000 -r fb9019fb1bf7 src/org/gege/caldavsyncadapter/authenticator/Authenticator.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/gege/caldavsyncadapter/authenticator/Authenticator.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,107 @@
+/**
+ * Copyright (c) 2012-2013, Gerald Garcia
+ * 
+ * This file is part of Andoid Caldav Sync Adapter Free.
+ *
+ * Andoid Caldav Sync Adapter Free is free software: you can redistribute 
+ * it and/or modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3 of the 
+ * License, or at your option any later version.
+ *
+ * Andoid Caldav Sync Adapter Free is distributed in the hope that 
+ * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Andoid Caldav Sync Adapter Free.  
+ * If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+package org.gege.caldavsyncadapter.authenticator;
+
+
+
+import android.accounts.AbstractAccountAuthenticator;
+import android.accounts.Account;
+import android.accounts.AccountAuthenticatorResponse;
+import android.accounts.AccountManager;
+import android.accounts.NetworkErrorException;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.util.Log;
+
+public class Authenticator  extends AbstractAccountAuthenticator {
+
+	private static final String TAG = "Authenticator";
+	private Context mContext;
+	
+	public Authenticator(Context context) {
+		super(context);
+	
+		mContext = context;
+	}
+ 
+	@Override
+	public Bundle addAccount(AccountAuthenticatorResponse response,
+			String accountType, String authTokenType,
+			String[] requiredFeatures, Bundle options)
+			throws NetworkErrorException {
+		
+	
+		Log.v(TAG, "addAccount()");
+		
+        final Intent intent = new Intent(mContext, AuthenticatorActivity.class);
+        intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
+        final Bundle bundle = new Bundle();
+        bundle.putParcelable(AccountManager.KEY_INTENT, intent);
+        return bundle;
+
+	}
+
+	@Override
+	public Bundle confirmCredentials(AccountAuthenticatorResponse response,
+			Account account, Bundle options) throws NetworkErrorException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Bundle editProperties(AccountAuthenticatorResponse response,
+			String accountType) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Bundle getAuthToken(AccountAuthenticatorResponse response,
+			Account account, String authTokenType, Bundle options)
+			throws NetworkErrorException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public String getAuthTokenLabel(String authTokenType) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Bundle hasFeatures(AccountAuthenticatorResponse response,
+			Account account, String[] features) throws NetworkErrorException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public Bundle updateCredentials(AccountAuthenticatorResponse response,
+			Account account, String authTokenType, Bundle options)
+			throws NetworkErrorException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}