app/src/main/res/layout/fragment_add_friend.xml
<?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/friend_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".AddFriendFragment">
<TextView
android:id="@+id/username"
android:layout_width="match_parent"
android:layout_height="81dp"
android:layout_marginBottom="148dp"
android:text="Hello"
android:textAlignment="center"
app:layout_constraintBottom_toTopOf="@+id/add_friend"
tools:layout_editor_absoluteX="16dp" />
<TextView
android:id="@+id/user_realname"
android:layout_width="match_parent"
android:layout_height="81dp"
android:text="Hello"
android:textAlignment="center"
app:layout_constraintBottom_toTopOf="@+id/username"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.234"
tools:layout_editor_absoluteX="-16dp" />
<Button
android:id="@+id/add_friend"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="36dp"
android:layout_marginBottom="120dp"
android:text="Add Friend"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="@+id/message_user"
android:layout_width="127dp"
android:layout_height="49dp"
android:text="Message"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.48"
app:layout_constraintStart_toEndOf="@+id/add_friend"
app:layout_constraintTop_toBottomOf="@+id/username"
app:layout_constraintVertical_bias="0.552" />
</androidx.constraintlayout.widget.ConstraintLayout>