1<?xml version="1.0" encoding="utf-8"?> 2 3<fragment 4 xmlns:android="http://schemas.android.com/apk/res/android" 5 xmlns:app="http://schemas.android.com/apk/res-auto" 6 android:id="@+id/nav_host_fragment" 7 android:layout_width="match_parent" 8 android:layout_height="match_parent" 9 android:name="androidx.navigation.fragment.NavHostFragment" 10 app:defaultNavHost="true" 11 app:navGraph="@navigation/nav_graph" />