whatsApp xml

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Welcome dear, click to proceed"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        android:textSize="17dp"
        android:textStyle="italic"
        android:textAlignment="center"
        />

    <Button
        android:id="@+id/btn"
        android:layout_width="120dp"
        android:layout_height="wrap_content"
        android:text="proceed"
        android:textAlignment="center"
        android:textSize="17sp"
        android:layout_marginTop="10dp"/>


</LinearLayout>