P16.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/linerLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#212121"
    android:orientation="vertical"
    tools:context=".Dynamic">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="8dp"
        android:text="Dynamic View Example"
        android:textColor="@color/white"
        android:textSize="24sp"
        android:textStyle="bold" />

    <Button
        android:id="@+id/b1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="8dp"
        android:backgroundTint="#F428FF"
        android:text="Add Button"
        android:textColor="@color/white">

    </Button>

</LinearLayout>