To improve the search functionality, we can add multiple filters such as category, completion status, and keyword search. Implementing Advanced Search When filtering items, check against multiple criteria: Include dropdowns or pickers for completion status and categories, allowing users to select their filters: Step 2: Offline Support To implement offline support, you can use libraries like @react-native-async-storage/async-storage or even better, use Firestore’s built-in offline capabilities. Enable Firestore Offline Persistence In your firebaseConfig.js, enable persistence like this: When users are offline, the app can still function normally, and Firestore will sync data when the user is back online. Step 3: User Preferences Allow users to customize their experience by adding a settings screen where they can adjust preferences like theme and default filters. Implementing User Preferences You can create a new component for settings: Add a button in your main app to navigate to the Settings screen. Step 4: Analytics Dashboard Provide users with insights into their item lists, such as completion rates, item categories, and trends over time. Implementing Analytics Create functions to calculate metrics based on user data: Create a new component to show these metrics:

To implement item reminders, we can use a combination of local notifications and a date picker. Install Dependencies You’ll need to install @react-native-community/datetimepicker for date selection and react-native-push-notification for local notifications. Configure Local Notifications You need to configure notifications for your app. Here’s a basic setup: Call this configuration in your App.js file: Add Reminder Functionality Update your App.js to include a date picker for setting reminders:

First, we need to set up Firebase for our project. If you haven’t already: Install Firebase SDK In your project directory, install the Firebase SDK: Step 2: Set Up Firebase Configuration Create a new file called firebaseConfig.js in your project directory and add your Firebase configuration: Make sure to replace the placeholder values with your actual Firebase project details. Step 3: User Authentication Add Authentication Functions Update App.js to include authentication functions:

First, let’s integrate React Native Paper components into our app. Install Dependencies If you haven’t already, ensure you have the dependencies installed: bashCopy codenpm install react-native-paper You’ll also need to set up react-native-vector-icons for icons used in React Native Paper: bashCopy codenpm install react-native-vector-icons Update App.js Here’s an updated version of App.js that uses React Native Paper components:

Let’s start by adding a filter feature. Here’s how you can modify your App.js to include filtering options. Updated Code for App.js

First, modify the way items are structured to include a completed state. We’ll adjust the addItem, deleteItem, and other relevant functions accordingly. Updated Code for App.js Here’s the updated code:

You need to install the @react-native-async-storage/async-storage package. Run the following command in your project directory: Step 2: Update App.js Replace the existing code in App.js with the following code:

First, make sure you have React Native set up. If you haven’t set up a project yet, you can create one using the following command: Step 2: Create a Simple List App Now, you can replace the contents of App.js with the following code: Step 3: Run Your App To run your app, use the following command in your project directory: or