Kotlin please

When the app is launched show the Login Screen. Two user input fields for username and password and one button for Logging In. Authenticate user Only allow the following username with the respective password to go to Home Screen and show the username used on the home screen. Clarification: If the username NarutoUzumaki and the password is Dattebayo-> HomeScreen should show Welcome, NarutoUzumaki. Also, show a Toast with Welcome Message. If the username and password don't match stay on Login Screen. For incorrect credentials, you can show a Text saying "Incorrect username/password