Updates and fixes

app/src/main/res/layout/act_main.xml

@@ -11,6 +11,7 @@
         android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:background="@color/black"
         tools:ignore="MergeRootFrame" />
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/frag_launcher.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@color/black"
     android:orientation="vertical"
     tools:context=".activity.fragment.Launcher">