Package com.example.slacks_lottoevent.Utility
package com.example.slacks_lottoevent.Utility
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ClassDescriptionCallback<T>Callback interface for asynchronous tasks.This class contains a helper method to show a custom dialog for crafting messagesFirestoreProfileUtil is a utility class that provides a method to check if a user has signed up for the app.The callback interface to be called when the result is available.ImageMetadata class to store image metadataHelper class for managing and sending notifications in the application.Handles notification-related operations, including adding notifications to the Firestore database and removing notifications associated with specific users.SnackbarUtils is a utility class that provides methods to display snackbars.