Loading fonts at runtime in Dart/Flutter

main.dart

import 'dart:io';
import 'package:flutter/services.dart';

Future<ByteData> getFont() async {
    var bytes = await File('${Platform.environment['HOME']}/.local/share/fonts/path/to/font}').readAsBytes();
    return ByteData.sublistView(bytes);
}

void main() async {
  var fontLoader = FontLoader('SomeFontFamily')..addFont(getFont());
  await fontLoader.load();
  
  // Call the usual Flutter `runApp(...)` here.
}