Vibe Coding a Custom Widget in Flutterflow

In this tutorial, we dive into building a sleek and smooth custom widget using Flutterflow and the powerful Cursor integration to enhance your app’s UI/UX. We specifically explore how to incorporate the infinite_carousel Flutter package to create an elegant, infinitely scrolling carousel widget.

What you’ll learn:
How to set up and use Cursor in Flutterflow for custom coding
Real-time debugging in Cursor, all prompt generated.
Step-by-step guide to integrating the infinite_carousel package
Creating a responsive and visually captivating carousel widget
Tips for customizing the carousel’s look and behavior to fit your app’s vibe

As part of the Charlie Fairbairn Master Class Series, if you are a Flutterflow developer looking to expand your widget toolkit, this tutorial brings you hands-on coding insights that you can immediately apply in your projects.

// Automatic FlutterFlow imports
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/widgets/index.dart'; // Imports other custom widgets
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom widget code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'index.dart'; // Imports other custom widgets

import 'index.dart'; // Imports other custom widgets

import 'package:infinite_carousel/infinite_carousel.dart';

class InfiniteCarouselWidget extends StatefulWidget {
  const InfiniteCarouselWidget({
    super.key,
    this.width,
    this.height,
    this.imageList,
    this.itemCount,
    this.itemExtent,
    this.center,
    this.anchor,
    this.velocityFactor,
    this.axisDirection,
    this.loop,
    this.actionIndex,
  });

  final double? width;
  final double? height;
  final List<String>? imageList;
  final int? itemCount;
  final double? itemExtent;
  final bool? center;
  final double? anchor;
  final double? velocityFactor;
  final String? axisDirection;
  final bool? loop;
  final Future Function(int? index)? actionIndex;

  @override
  State<InfiniteCarouselWidget> createState() => _InfiniteCarouselWidgetState();
}

class _InfiniteCarouselWidgetState extends State<InfiniteCarouselWidget> {
  int? _currentIndex;

  @override
  Widget build(BuildContext context) {
    final images = widget.imageList ?? [];
    final itemCount = widget.itemCount ?? images.length;
    final height = 320.0; // Always 320px height
    final itemWidth = height * 9 / 16; // 9:16 aspect ratio
    final itemExtent = itemWidth + 10.0; // 10px horizontal separation
    final center = widget.center ?? true;
    final anchor = widget.anchor ?? 0.0;
    final velocityFactor = widget.velocityFactor ?? 0.2;
    final loop = widget.loop ?? true;
    final axisDirection =
        widget.axisDirection == 'vertical' ? Axis.vertical : Axis.horizontal;

    return SizedBox(
      width: widget.width,
      height: height,
      child: InfiniteCarousel.builder(
        itemCount: itemCount,
        itemExtent: itemExtent,
        center: center,
        anchor: anchor,
        velocityFactor: velocityFactor,
        axisDirection: axisDirection,
        loop: loop,
        onIndexChanged: (index) async {
          _currentIndex = index;
          if (widget.actionIndex != null) {
            await widget.actionIndex!(index);
          }
        },
        itemBuilder: (context, itemIndex, realIndex) {
          final imageUrl =
              (itemIndex < images.length) ? images[itemIndex] : null;
          return Padding(
            padding: const EdgeInsets.symmetric(
                horizontal: 5.0), // 10px total between items
            child: AspectRatio(
              aspectRatio: 9 / 16, // 9:16 aspect ratio
              child: imageUrl != null
                  ? ClipRRect(
                      borderRadius: BorderRadius.circular(12),
                      child: Image.network(
                        imageUrl,
                        fit: BoxFit.cover,
                        errorBuilder: (context, error, stackTrace) =>
                            const Icon(Icons.broken_image),
                      ),
                    )
                  : const SizedBox.shrink(),
            ),
          );
        },
      ),
    );
  }
}

Examine the  pub.dev dependency at @Web @https://pub.dev/packages/infinite_carousel and the github documentation at @Branch (Diff with Main Branch) @https://github.com/GeekyAnts/infinite-carousel-flutter usimg the horizontal example and adapt the infinite_carousel.dart code here to create a flutterflow custom widget

https://app.flutterflow.io/run/CbHCN7rhnr9zxyHOvq2w