Add new file

activity_welcome.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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Welcome">
+
+    <TextView
+        android:id="@+id/welcomePage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="332dp"
+        android:layout_marginEnd="91dp"
+        android:layout_marginBottom="380dp"
+        android:text="Welcome you have successfully logged in"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+<Button
+    android:id="@+id/button9"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_alignParentTop="true"
+    android:layout_centerHorizontal="true"
+    android:text="View Cars"
+    android:onClick="listOfCars"/>
+</RelativeLayout>
\ No newline at end of file