Easy Infinite Pagination: A Comprehensive Guide to Endless Lists and Layouts

Infinite pagination enables the seamless and automatic loading of new content as users navigate through a list or view. The Easy Infinite Pagination package for Flutter makes it effortless to implement infinite pagination functionality, offering extensive customization options and support for various layouts.

Getting Started

To begin using Easy Infinite Pagination, install the package into your Flutter project:

import 'package:easy_infinite_pagination/easy_infinite_pagination.dart';

Basic Usage

To incorporate infinite pagination into your app, create a PaginationDelegate object that defines the data source and نحوه handling of pagination:

PaginationDelegate(
    itemCount: _items.length,
    itemBuilder: (_, index) => ListTile(title: Text(_items[index])),
    isLoading: _isLoading,
    onFetchData: _fetchData,
);

Wrap your data source with the appropriate widget corresponding to the desired layout:

• InfiniteListView: For traditional list views
• SliverInfiniteListView: For sliver list views in scroll views
• InfiniteGridView: For grid views
• SliverInfiniteGridView: For sliver grid views in scroll views
• InfinitePageView: For page view implementations

Customizable Indicators

Easy Infinite Pagination allows for complete customization of pagination indicators, enabling you to tailor them to your app's design:

firstPageLoadingBuilder: (context) => const FirstPageLoadingIndicator(),
loadMoreLoadingBuilder: (context) => const LoadMoreLoadingIndicator(),
loadMoreErrorBuilder: (context, onRetry) => LoadMoreErrorIndicator(onRetry: onRetry),

Controlling Data Fetching

To optimize performance and avoid unnecessary data loading, you can control when pagination is triggered:

invisibleItemsThreshold: 5, // The number of remaining invisible items that trigger a new fetch
fetchDataOnStart: true, // Whether to fetch data on app start

Integration with State Management

Easy Infinite Pagination seamlessly integrates with popular state management solutions such as Bloc, Riverpod, and Provider:

// With Bloc
context.read().fetchPosts();

// With Riverpod
context.read(postsListProvider).fetchPosts();

Supporting Searching, Sorting, and Filtering

Search, sort, and filter functionality can be integrated with Easy Infinite Pagination by leveraging your chosen state management approach.

Custom Pagination Layouts

If the built-in layouts do not meet your requirements, you can create your own custom pagination layout using the PaginationLayoutBuilder.

Conclusion

Easy Infinite Pagination is a versatile and customizable package that simplifies the implementation of infinite pagination in Flutter. It supports various layouts, offers configurable indicators, and seamlessly integrates with state management tools.