Simplifying Android activities with Kotlin - Home Activity Layou

activity_home.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:layout_margin="40dp">

        <EditText
            android:id="@+id/edit_text_user_name"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="What is your name?"
            android:gravity="center"/>

        <Button
            android:id="@+id/btn_send"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="30dp"
            android:text="SEND"
            android:textStyle="bold"
            android:background="@android:color/transparent"/>

    </LinearLayout>
</layout>