diff --git a/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/DataHandler.java b/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/DataHandler.java
index 4874739..784c539 100644
--- a/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/DataHandler.java
+++ b/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/DataHandler.java
@@ -2,13 +2,19 @@ package org.ddnss.sfs.git.wdg.vokabel_trainer;
 
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
 
 public class DataHandler {
     public static final String DATABASENAME = "vocabDB";
     public static final int DATABASE_VERSION = 1;
 
     public static final String TABLE_NAME = "vocabTable";
-    public static final String DEUTSCH = "deutsch";
+    public static final String GERMAN = "german";
     public static final String ENGLISH = "english";
 
     private Context ctx;
@@ -35,4 +41,22 @@ public class DataHandler {
     public void addEntry(String voc1, String voc2){
         db.execSQL("insert into vocabTable (deutsch, english) values ('vocab1', 'vocab2')");
     }
+
+    private static class DataBaseHelper extends SQLiteOpenHelper {
+
+        public DataBaseHelper(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
+            super(context, DATABASENAME, null, DATABASE_VERSION);
+        }
+
+        @Override
+        public void onCreate(SQLiteDatabase db) {
+            String command = "create table if not exists vocTable(german text not null, englisch text not null);";
+            db.execSQL(command);
+        }
+
+        @Override
+        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+        }
+    }
 }
diff --git a/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/MainActivity.java b/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/ui/MainActivity.java
similarity index 91%
rename from app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/MainActivity.java
rename to app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/ui/MainActivity.java
index 52265de..58b7cb5 100644
--- a/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/MainActivity.java
+++ b/app/src/main/java/org/ddnss/sfs/git/wdg/vokabel_trainer/ui/MainActivity.java
@@ -13,6 +13,8 @@ import androidx.navigation.ui.NavigationUI;
 
 public class MainActivity extends AppCompatActivity {
 
+    private DataHandler dbHandler;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -26,5 +28,10 @@ public class MainActivity extends AppCompatActivity {
         NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
         NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
         NavigationUI.setupWithNavController(navView, navController);
+        dbHandler = new DataHandler(this);
+    }
+
+    public void addEntry(){
+
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_notifications.xml b/app/src/main/res/layout/fragment_notifications.xml
index 18f48ee..efbbd54 100644
--- a/app/src/main/res/layout/fragment_notifications.xml
+++ b/app/src/main/res/layout/fragment_notifications.xml
@@ -36,4 +36,15 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.186" />
+
+    <Button
+        android:id="@+id/addEntry"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="161dp"
+        android:layout_marginTop="388dp"
+        android:text="Einfügen"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file