Revert "Kyou/layout"

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

@@ -3,7 +3,6 @@
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/activityMain"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
@@ -16,7 +15,7 @@
         android:name="com.example.childguard.HomeFragment"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        app:layout_constraintBottom_toTopOf="@id/nav_view"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />