diff --git a/APED/app/src/main/java/com/example/aped/MainActivity.java b/APED/app/src/main/java/com/example/aped/MainActivity.java
index 3059605..04c3dba 100644
--- a/APED/app/src/main/java/com/example/aped/MainActivity.java
+++ b/APED/app/src/main/java/com/example/aped/MainActivity.java
@@ -8,28 +8,19 @@ import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.MenuItem;
-
 import android.view.Menu;
 import android.view.View;
 import android.widget.EditText;
-import android.widget.LinearLayout;
-import android.widget.ListView;
-import android.widget.TextView;
 import android.widget.Toast;
-
 import com.example.aped.communication.Communicator;
-import com.example.aped.ui.all_IOs.AllIOsFragment;
-import com.example.aped.ui.all_IOs.MainListViewAdapter;
 import com.example.aped.utils.ConfigurationHandler;
 import com.example.aped.utils.ExternalStorageHandler;
 import com.example.aped.utils.IFAVORITES;
 import com.example.aped.utils.IXML;
 import com.example.aped.utils.TestFavorites;
-import com.example.aped.utils.TestXML;
 import com.example.aped.utils.XMLHandler;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import com.google.android.material.navigation.NavigationView;
-
 import androidx.annotation.NonNull;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
@@ -40,17 +31,10 @@ import androidx.navigation.ui.NavigationUI;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
-
-import org.xml.sax.SAXException;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
-import java.io.IOException;
 import java.io.InputStream;
-
-import javax.xml.parsers.ParserConfigurationException;
-
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 
 public class MainActivity extends AppCompatActivity {
@@ -133,7 +117,7 @@ public class MainActivity extends AppCompatActivity {
                                 configurationHandler.setAddress(ipAdress.getText().toString());
                                 configurationHandler.setPort(Integer.parseInt(port.getText().toString()));
                                 Toast.makeText(getApplicationContext(),
-                                        configurationHandler.getAddress() + ":" + String.valueOf(configurationHandler.getPort()) + " is set",
+                                        configurationHandler.getAddress() + ":" + configurationHandler.getPort() + " is set",
                                         Toast.LENGTH_SHORT).show();
                                 uebergabe = new Communicator(configurationHandler.getAddress(), configurationHandler.getPort(),
                                         MainActivity.this);
@@ -164,9 +148,10 @@ public class MainActivity extends AppCompatActivity {
                     Log.e("MainActivity","error while opening the config.xml for adjustment: " + e.getMessage());
                 }
                 File xmlFile = new File(externalPrivateStorageDir, "config.xml");
-                String shareBody = "gegen xml für den PI ersetzen";
+
+                //String shareBody = text;
                 intent.setType("text/plain");
-                intent.putExtra(intent.EXTRA_TEXT, shareBody);
+                intent.putExtra(Intent.EXTRA_TEXT, xmlFile.toString());
                 startActivity(intent);
                 /**
                  * xml anstatt beispieltext muss übergeben werden
@@ -175,8 +160,6 @@ public class MainActivity extends AppCompatActivity {
                 break;
 
             case R.id.action_download_xml:
-                ListView idListView = (ListView) findViewById(R.id.idListView);
-                idListView.setAdapter(new MainListViewAdapter(this));
                     Toast.makeText(this, "Downloaded .xml",
                         Toast.LENGTH_SHORT).show();
                 break;
@@ -184,6 +167,12 @@ public class MainActivity extends AppCompatActivity {
                     Toast.makeText(this, "Upload .xml",
                         Toast.LENGTH_SHORT).show();
                 break;
+            case R.id.action_update:
+                Intent intentneustart = getIntent();
+                finish();
+                startActivity(intentneustart);
+                break;
+
             default:
                 Log.e("MainActivity", "unknown item: "
                         + item.toString());
diff --git a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
index a644342..20bd346 100644
--- a/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
+++ b/APED/app/src/main/java/com/example/aped/ui/all_IOs/AllIOsFragment.java
@@ -46,6 +46,7 @@ public class AllIOsFragment extends Fragment {
     public View onCreateView(final LayoutInflater inflater,
                              final ViewGroup container,
                              final Bundle savedInstanceState) {
+
         this.mainActivity = (MainActivity) getActivity();
         View view = inflater.inflate(R.layout.fragment_all_ios, container,
                 false);
diff --git a/APED/app/src/main/res/menu/main.xml b/APED/app/src/main/res/menu/main.xml
index f06512a..f1cd974 100644
--- a/APED/app/src/main/res/menu/main.xml
+++ b/APED/app/src/main/res/menu/main.xml
@@ -21,4 +21,10 @@
         android:orderInCategory="3"
         android:title="@string/action_upload_xml"
         app:showAsAction="never" />
+    <item
+        android:id="@+id/action_update"
+        android:icon="@android:drawable/ic_popup_sync"
+        android:orderInCategory="0"
+        app:showAsAction="always"
+        android:title="update" />
 </menu>
\ No newline at end of file