dynamic_fonts 2.0.0
dynamic_fonts: ^2.0.0 copied to clipboard

A package to include dynamic web-hosted fonts in your Flutter app.

example/lib/main.dart

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

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

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

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

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

  @override
  void initState() {
    _initCustomFonts();
    super.initState();
  }

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

  @override
  Widget build(BuildContext context) {
    final TextStyle headline4 = Theme.of(context).textTheme.headline4!;
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              'You have pushed the button this many times:',
              style: DynamicFonts.getFont('FiraGO', textStyle: headline4),
            ),
            Text(
              '$_counter',
              style:
                  DynamicFonts.getFont('FiraGO', fontStyle: FontStyle.italic),
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ),
    );
  }
}

void _initCustomFonts() {
  DynamicFonts.register(
    'FiraGO',
    [
      _FiraGoFile(
        const DynamicFontsVariant(
          fontWeight: FontWeight.w400,
          fontStyle: FontStyle.normal,
        ),
        '495901c0c608ea265f4c31aa2a4c7a313e5cc2a3dd610da78a447fe8e07454a2',
        804888,
      ),
      _FiraGoFile(
        const DynamicFontsVariant(
          fontWeight: FontWeight.w400,
          fontStyle: FontStyle.italic,
        ),
        '36713ecac376845daa58738d2c2ba797cf6f6477b8c5bb4fa79721dc970e8081',
        813116,
      ),
    ].fold<Map<DynamicFontsVariant, DynamicFontsFile>>(
      {},
      (acc, file) => acc..[file.variant] = file,
    ),
  );
}

class _FiraGoFile extends DynamicFontsFile {
  _FiraGoFile(this.variant, String expectedFileHash, int expectedLength)
      : super(expectedFileHash, expectedLength);

  final DynamicFontsVariant variant;

  String get _dir {
    switch (variant.fontStyle) {
      case FontStyle.normal:
        return 'Roman';
      case FontStyle.italic:
        return 'Italic';
    }
  }

  @override
  String get url =>
      'https://raw.githubusercontent.com/bBoxType/FiraGO/9882ba0851f88ab904dc237f250db1d45641f45d/Fonts/FiraGO_TTF_1001/$_dir/FiraGO-${variant.toApiFilenamePart()}.ttf';
}
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likes
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Publisher

madlon-kay.com

A package to include dynamic web-hosted fonts in your Flutter app.

Homepage
Repository (GitHub)
View/report issues

Documentation

API reference

License

Apache 2.0 (LICENSE)

Dependencies

crypto, flutter, http, path_provider

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