diff --git a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
index 15440c3..bf4f0f4 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -1,11 +1,13 @@
 package com.example.cosmosclient.app;
 
+import android.app.Activity;
 import android.app.Application;
 
 import com.example.cosmosclient.entities.AreaInformation;
 import com.example.cosmosclient.entities.Group;
 import com.example.cosmosclient.entities.Location;
 import android.content.SharedPreferences;
+import android.os.Bundle;
 
 import java.util.HashMap;
 
@@ -22,11 +24,31 @@
             @Override
             public void onActivityStopped(Activity activity) {
             }
-            
+
+            @Override
+            public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
+
+            }
+
             @Override
             public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
             }
-             
+
+            @Override
+            public void onActivityStarted(Activity activity) {
+
+            }
+
+            @Override
+            public void onActivityResumed(Activity activity) {
+
+            }
+
+            @Override
+            public void onActivityPaused(Activity activity) {
+
+            }
+
             @Override
             public void onActivityDestroyed(Activity activity) {
             }