flutter_server_box/lib/core/utils/ui.dart

import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:url_launcher/url_launcher.dart';

import 'misc.dart';
import 'platform.dart';
import '../extension/stringx.dart';
import '../extension/uint8list.dart';

Future<bool> openUrl(String url) async {
  return await launchUrl(url.uri, mode: LaunchMode.externalApplication);
}

void setTransparentNavigationBar(BuildContext context) {
  if (isAndroid) {
    SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
    SystemChrome.setSystemUIOverlayStyle(
      const SystemUiOverlayStyle(
          systemNavigationBarColor: Colors.transparent,
          systemNavigationBarContrastEnforced: true),
    );
  }
}

Future<void> loadFontFile(String localPath) async {
  if (localPath.isEmpty) return;
  final name = getFileName(localPath);
  if (name == null) return;
  final file = File(localPath);
  if (!await file.exists()) return;
  var fontLoader = FontLoader(name);
  fontLoader.addFont(file.readAsBytes().byteData);
  await fontLoader.load();
}

void switchStatusBar({required bool hide}) {
  if (hide) {
    SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky,
        overlays: []);
  } else {
    SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge,
        overlays: [SystemUiOverlay.top, SystemUiOverlay.bottom]);
  }
}