flutter_gutter 1.0.0

Get your UI out of the gutter! Ensure all visual gaps between your widgets are consistent, adapted to the axis direction, and respond to screen size.

example/lib/main.dart

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

void main() {
  Gap.customWidgetToAxis = (widget) {
    if (widget is Center) {
      return Axis.horizontal;
    }
    return null;
  };
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      // Get the margin size from context and pad the page contents by it.
      body: Padding(
        padding: EdgeInsets.all(context.margin),
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              const Text('Button tapped'),
              const GutterSmall(),
              Text(
                _counter.toString(),
                style: Theme.of(context).textTheme.displayMedium,
              ),
              const GutterSmall(),
              const Text('times'),
              const Center(
                child: Gutter(),
              ),
            ],
          ),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}