Build for scale: Infinite Scroll using React Query with Redux toolkit in React and React Native

Build for scale: Infinite Scroll using React Query with Redux toolkit in React and React Native

Introduction

This series of build for scale: Is About the advanced way to use React native app.

I will talk about methods, best practices, how-to use guides, and advanced approaches on how to use the most used tools, and packages. Taking into account how to structure it in your app, how to architect the solution, and advanced approaches for a performant, secure, and scalable app.

This series is perfect for React Native developers of all levels who want to take their skills to the next level and build apps that stand the test of time. Whether you’re a seasoned professional or just starting, you’ll find invaluable knowledge and practical guidance to transform your React Native development journey I explained in the previous article how to optimise

In today’s digital age, users expect applications to deliver a seamless and efficient experience. One of the key elements contributing to a positive user interaction is the ability to load data dynamically as the user scrolls. This is where infinite scrolling comes into play. Infinite scrolling allows for continuous data loading, providing a more immersive and engaging experience without the need for explicit pagination.

React Query, a powerful data-fetching library for React applications, simplifies the implementation of infinite scrolling. By leveraging its features, we can efficiently fetch and manage data while maintaining a smooth user experience. In this article, we will explore how to implement infinite scrolling in a React Native application using React Query

How to use React Query, redux toolkit, and clean code patterns to create an infinite Scrolling

step one: install the required dependency

• For a react query, check this article
• for the redux toolkit, check this article
• we are going to use Flashlist for a better performance, check the full article here
• to get an idea about best practices, check this one

First of all: let’s set our Redux Store

we will handle the fetching action, adding them to the store and use selectors for the data using redux

second: we create a hook to handle all of the operations

State Management:

• propertiesPageRequest: Keeps track of the current page number.
• hasReachedEnd: Tracks whether the end of the data has been reached.

useInfiniteQuery:

• Handles fetching the paginated data and manages fetching the next page with fetchNextPage.
• getNextPageParam extracts the next page number from the API response.

Selectors and Actions:

• The hook uses useSelector to access properties from the Redux store.
• useActions is a custom hook that binds the Redux actions to the dispatcher, allowing you to dispatch loadAllProperties and loadMoreProperties.

fetchNextPropertyPage:

• This function is triggered to load the next page when required. It checks if there’s more data (hasNextPage) and if we haven't reached the end (hasReachedEnd).
• It also updates the Redux store with new data using loadMoreProperties.

useEffect:

• This effect runs initially to load the first page of properties into the Redux store when the data is available.

redux toolkit

Third: we use it inside our Property screen, with infinite loading using Flashlist

the following code explains all

use redux toolkit, with react query, flashlist to create an infinite scrolling

Conclusion

By following the steps outlined in this article, you can effectively implement infinite scrolling in your React Native application using React Query. Infinite scrolling provides a more intuitive and engaging user experience by eliminating the need for manual page navigation. React Query’s powerful features and capabilities simplify the process, making it easier to manage data fetching and optimize performance

If you need to integrate Advanced functionalities in your Mobile app, create one from scratch, or need consulting in react native. Visit the casainnov.com, and check their mobile app page, and contact them there

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