/* 
 * Copyright 2014 OpenMarket Ltd
 * Copyright 2017 Vector Creations Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package im.vector.gcm;

import org.matrix.androidsdk.util.Log;

import com.google.firebase.FirebaseApp;
import com.google.firebase.iid.FirebaseInstanceId;

import im.vector.VectorApp;

public class GCMHelper {

    private static final String LOG_TAG = "GCMHelper";

    /**
     * Retrieves the GCM registration token.
     */
    public static String getRegistrationToken() {
        String registrationToken = null;

        try {
            if (null == VectorApp.getInstance()) {
                Log.e(LOG_TAG, "## getRegistrationToken() : No active application");
            } else {
                FirebaseApp.initializeApp(VectorApp.getInstance());
            }
            // try to get the token anyway
            registrationToken = FirebaseInstanceId.getInstance().getToken();
            Log.d(LOG_TAG, "## getRegistrationToken(): " + registrationToken);
        } catch (Exception e) {
            Log.e(LOG_TAG, "## getRegistrationToken() : failed " + e.getMessage());
        }


        return registrationToken;
    }

    /**
     * Clear the registration token.
     */
    public static void clearRegistrationToken() {
        try {
            FirebaseInstanceId.getInstance().deleteInstanceId();
        } catch (Exception e) {
            Log.e(LOG_TAG, "##clearRegistrationToken() failed " + e.getMessage());
        }
    }
}

@@ -1231,32 +1231,44 @@
 %0A               
+ if (null ==
  FirebaseApp.ini
@@ -1298,25 +1298,142 @@
 tInstance())
-;
+) %7B%0A                    Log.e(LOG_TAG, %22## getRegistrationToken() : cannot initialise FirebaseApp%22);%0A                %7D
 %0A           

add more logs