added template button listener

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/DebugFragment.java

@@ -22,6 +22,11 @@ public class DebugFragment extends Fragment {
 
         binding = FragmentDebugBinding.inflate(inflater, container, false);
 
+        //TODO: Add proper Function when button is pressed here
+        this.binding.buttonTest.setOnClickListener(view -> {
+            this.binding.debugView.setText("NewText");
+        });
+
         return binding.getRoot();
 
     }

ClimateGoApp/app/src/main/java/de/cdaut/climategoapp/activities/HomeActivity.java

@@ -105,6 +105,7 @@ public class HomeActivity extends AppCompatActivity implements NavigationView.On
         Fragment targetFragment;
 
         //determine which fragment to switch to
+        //TODO: switch this to some better switch value like a tag
         switch (item.getItemId()) {
             case R.id.nav_main:
                 targetFragment = new HomeFragment();

ClimateGoApp/app/src/main/res/layout/fragment_debug.xml

@@ -7,7 +7,7 @@
     tools:context=".HomeFragment">
 
     <Button
-        android:id="@+id/button_first"
+        android:id="@+id/button_test"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/btn_test"

ClimateGoApp/app/src/main/res/menu/navigation_menu.xml

@@ -5,10 +5,12 @@
 
     <item
         android:id="@+id/nav_main"
+        android:tag="nav_main"
         android:title="@string/nav_main_label" />
 
     <item
         android:id="@+id/nav_debug"
+        android:tag="nav_debug"
         android:title="@string/nav_debug_frag_label" />