fl_utilities

Simple flutter utilities such as shorthands extension on [BuildContext], debounce extension on [ValueChanged], CustomListView widget, and more.

This package depend on SDKs so it can be used in any Flutter project.

• API Reference

Getting started

Add fl_utilities to your dependencies.

flutter add fl_utilities

or manually add it to your pubspec.yaml file:

dependencies:
  fl_utilities: ^2.0.1

Then you can use it in your project.

Usage

shorthands extension on [BuildContext]:

import 'package:flutter/material.dart';
import 'package:fl_utilities/fl_utilities.dart';

Builder(builder: (context) {
  context.theme; // instead of `Theme.of(context)`
  context.mediaQuery; // instead of `MediaQuery.of(context)`

  return const Placeholder();
});

debounce extension on [ValueChanged]:

import 'package:flutter/material.dart';
import 'package:fl_utilities/fl_utilities.dart';

TextField(
  onChanged: (text) {
    debugPrint('Called after half a second of not typing');
  }.debounce(),
);

Customize [ListView] item cross axis length using [CustomListView]:

import 'package:flutter/material.dart';
import 'package:fl_utilities/fl_utilities.dart';

CustomListView(
  // default item delegate
  viewDelegate: CustomListViewDelegate(
    mainAxisLength: 160.0,
    crossAxisLength: 240.0,
    crossAxisAlignment: CustomListViewItemAlignment.center,
  )
  children: [
    CustomListViewItemDelegate(
      // overrides default delegate
      mainAxisLength: 240.0,
      crossAxisLength: 160.0,
      child: const Card(), // actual list item
    ),
    CustomListViewItemDelegate(
      // using default delegate
      child: const Card(),
    ),
  ]
);

Visit API Reference for more details.