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Pagy

Open-source Flutter pagination package.

Flutter
Open Source
Package
Pagination
API Integration
Shimmer Effect
Horizontal ListView
Role: Package Author
Scope: Open Source, Developer Tools, Pagination Logic

Challenge & Solution

The core problem this project addressed and the strategic approach taken.

The Problem

  • Boilerplate-heavy implementation for pagination in Flutter
  • Lack of customizable and lightweight pagination packages
  • Difficulty in managing loading states and data merging
  • Inconsistent UI/UX for paginated lists across apps

Strategic Solution

  • Lightweight and highly customizable pagination package
  • Simplified API for merging new data into existing lists
  • Built-in support for loading, error, and empty states
  • Clean, modular logic that works with any state management

Key Features

Core functionality that makes Pagy stand out

Smart API Integration

Plug-and-play support for query params, body payloads, and custom headers.

Horizontal ListView

Seamlessly add pagination to horizontal carousels with fixed or dynamic height.

Built-in Response Parsers

Ready-to-use parsers for Laravel, Django, and 5+ common API formats.

Interactive MetaData

Real-time progress tracking, page indicators, and load status in UI.

Auto-Cancellation

Automatically cancels duplicate or stale API calls for better performance.

Customizable UI

Built-in shimmer effects, custom error widgets, and empty state handling.

Technical Deep Dive

How It Was Built

The engineering decisions and architecture behind Pagy

Dart Generics

Type-safe data handling for any object type with 1.2.0 features.

Auto-Theme Support

Automatic light/dark theme adaptation for built-in UI indicators.

Interceptors & Requests

Custom auth tokens, retries, and request logic modification support.

Intrinsic Sizing

Dynamic height support for horizontal lists inside unconstrained layouts.

Zero Dependencies

Lightweight architecture with no external package requirements.

Impact

Results & Impact

The measurable outcomes and business value delivered

Time Saved

Reduces pagination development time by up to 70% in production environments

Code Quality

Promotes cleaner and more maintainable codebase across 5+ enterprise apps

Community Growth

Active usage and positive feedback from the Flutter developer community

Standardization

Standardized the way teams handle complex paginated data sources

My Contribution

What I built, decisions I made, and problems I solved

Package Architect

Designed and implemented the entire library from scratch.

Documentation Lead

Wrote comprehensive guides and examples for the community.

Maintenance

Regularly updating the package with new features and bug fixes.

Interested in a Similar Project?

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    Pagy | Hayat Khan