app/src/main/res/layout/activity_friend_list.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/theme_gradient"
android:orientation="vertical">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/friend_list_header"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center">
<Button
android:id="@+id/friend_list_search_button"
android:layout_width="123dp"
android:layout_height="36dp"
android:layout_marginStart="132dp"
android:layout_marginTop="16dp"
android:background="@drawable/layout_rounded"
android:text="@string/friend_button_search"
android:textAlignment="center"
android:textSize="12sp"
android:textStyle="bold"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="@+id/friend_list_header"
android:scrollbars="vertical">
<ListView
android:id="@+id/friend_list_view"
android:layout_width="match_parent"
android:layout_height="462dp"
android:layout_alignParentEnd="true"
android:layout_alignParentBottom="true"
android:layout_marginEnd="1dp"
android:layout_marginBottom="75dp">
</ListView>
<Button
android:id="@+id/back_from_friend_list_button"
android:layout_width="120dp"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentEnd="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="142dp"
android:layout_marginEnd="149dp"
android:layout_marginBottom="19dp"
android:background="@drawable/layout_rounded"
android:text="@string/back_to_menu" />
</RelativeLayout>
</RelativeLayout>