The app splash screen is the brief introductory screen that appears as the app loads after the user has just opened the app. When the application is launched, Main Activity sends an intent to the Splash Activity, which displays the App Logo for 2000 milliseconds, from where the control comes back to the Main Activity. The MainActivity consists of three options: Login: Users can log in using their Username. The user is directed to the Login Activity for authentication. The User first selects what type of user (i.e., Customer or Vendor) in the Spinner on the Login page. The Username for the customer would be their PhoneNumber, and for the Vendor, it would be their OutletName. Once the user clicks on the Login button, we verify if such an account with the given Username exists in the Database or not. If it doesn't exist, we display a Toast message saying, "No Account found". If the username is valid, then we verify the Passwo