<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/container" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingTop="?attr/actionBarSize"> <com.google.android.material.bottomnavigation.BottomNavigationView android:id="@+id/nav_view" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_marginStart="0dp" android:layout_marginEnd="0dp" android:background="?android:attr/windowBackground" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:menu="@menu/bottom_nav_menu" /> <fragment android:id="@+id/nav_host_fragment_activity_main" android:name="androidx.navigation.fragment.NavHostFragment" android:layout_width="match_parent" android:layout_height="match_parent" app:defaultNavHost="true" app:layout_constraintBottom_toTopOf="@id/nav_view" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" app:navGraph="@navigation/mobile_navigation" /> </androidx.constraintlayout.widget.ConstraintLayout><!--<?xml version="1.0" encoding="utf-8"?>--> <!--<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/main"--> <!-- android:layout_width="match_parent"--> <!-- android:layout_height="match_parent"--> <!-- android:background="#FF0000"--> <!-- tools:context=".views.FriendActivity">--> <!-- <fragment--> <!-- android:id="@+id/nav_host_fragment_activity_main"--> <!-- android:name="androidx.navigation.fragment.NavHostFragment"--> <!-- android:layout_width="match_parent"--> <!-- android:layout_height="match_parent"--> <!-- app:defaultNavHost="true"--> <!-- app:layout_constraintBottom_toTopOf="@id/nav_view"--> <!-- app:layout_constraintLeft_toLeftOf="parent"--> <!-- app:layout_constraintRight_toRightOf="parent"--> <!-- app:layout_constraintTop_toTopOf="parent"--> <!-- app:navGraph="@navigation/mobile_navigation" />--> <!-- <TextView--> <!-- android:id="@+id/FriendList"--> <!-- android:layout_width="wrap_content"--> <!-- android:layout_height="wrap_content"--> <!-- android:text="@string/friend_list"--> <!-- android:textColor="#FFFFFF"--> <!-- app:layout_constraintBottom_toBottomOf="parent"--> <!-- app:layout_constraintEnd_toEndOf="parent"--> <!-- app:layout_constraintHorizontal_bias="0.498"--> <!-- app:layout_constraintStart_toStartOf="parent"--> <!-- app:layout_constraintTop_toTopOf="parent"--> <!-- app:layout_constraintVertical_bias="0.054" />--> <!-- <com.google.android.material.bottomnavigation.BottomNavigationView--> <!-- android:id="@+id/nav_view"--> <!-- android:layout_width="415dp"--> <!-- android:layout_height="56dp"--> <!-- app:layout_constraintBottom_toBottomOf="parent"--> <!-- app:layout_constraintEnd_toEndOf="parent"--> <!-- app:layout_constraintStart_toStartOf="parent"--> <!-- app:layout_constraintTop_toTopOf="parent"--> <!-- app:layout_constraintVertical_bias="0.102" />--> <!--</androidx.constraintlayout.widget.ConstraintLayout>-->