ffkev’s gists

ffkev / main.dart

Created April 21, 2025 05:09

Gist to display a base64 encoded image in Flutter

	import 'dart:convert';
	import 'dart:typed_data';
	import 'package:flutter/material.dart';

	void main() {
	runApp(const MyApp());
	}

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

ffkev / index.html

Created February 26, 2025 11:14

Disable automatic page_view tracking in GA4

	<script>
	window.dataLayer = window.dataLayer \|\| [];

	function gtag() { dataLayer.push(arguments); }

	gtag('set', { 'send_page_view': false });
	</script>

ffkev / update_json_bool.dart

Created September 5, 2024 11:42

Code that will modify the isSelected value in JSON based on what values are passed to the parser function

	import 'dart:convert';

	void main() {

	String jsonString = '''
	{
	"baseRequest": [
	{"iconCode": 58513, "chipLabel": "India", "isDisabled": true, "isSelected": false},
	{"iconCode": 58513, "chipLabel": "Africa", "isDisabled": true, "isSelected": false},
	{"iconCode": 58395, "chipLabel": "America", "isDisabled": false, "isSelected": true},

ffkev / launch_web_same_tab.dart

Created August 27, 2024 06:20

Launch a website in the same tab in Flutter web

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

	void main() {
	runApp(MyApp());
	}

	class MyApp extends StatelessWidget {
	@override
	Widget build(BuildContext context) {

ffkev / hyper_link_text_widget.dart

Created August 20, 2024 20:04

This is sample flutter code for a Text widget which will exhibit hyperlink capabilities such as showing a blue underline in the text when it is hovered on top of

	class HyperlinkText extends StatefulWidget {
	final String text;
	final String url;

	HyperlinkText({required this.text, required this.url});

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

ffkev / main.dart

Created July 30, 2024 18:58

Code to enable focusable widgets across a Flutter Web app

	void main() async {
	WidgetsFlutterBinding.ensureInitialized();
	GoRouter.optionURLReflectsImperativeAPIs = true;
	usePathUrlStrategy();

	await FlutterFlowTheme.initialize();

	runApp(
	FocusTraversalGroup(
	policy: WidgetOrderTraversalPolicy(),

ffkev / main.dart

Created July 23, 2024 07:50

To save and open a PDF file that is received in a base64 format

	// ignore_for_file: use_build_context_synchronously

	import 'dart:convert';
	import 'dart:io';
	import 'package:advance_pdf_viewer2/advance_pdf_viewer.dart';
	import 'package:flutter/foundation.dart';
	import 'package:flutter/material.dart';
	import 'package:path_provider/path_provider.dart';
	import 'package:pdf_viewer_project/pages/pdf_viewer_page.dart';

ffkev / icons.dart

Created July 12, 2024 03:54

This dart file contains all the codepoint values that you would need to access all material icons

This file has been truncated, but you can view the full file.

	// BEGIN GENERATED ICONS

	/// <i class="material-icons md-36">10k</i> — material icon named "10k".
	static const IconData ten_k = IconData(0xe000, fontFamily: 'MaterialIcons');

	/// <i class="material-icons-sharp md-36">10k</i> — material icon named "10k" (sharp).
	static const IconData ten_k_sharp = IconData(0xe700, fontFamily: 'MaterialIcons');

	/// <i class="material-icons-round md-36">10k</i> — material icon named "10k" (round).
	static const IconData ten_k_rounded = IconData(0xf4df, fontFamily: 'MaterialIcons');

ffkev / niv_encryption_decryption.dart

Created May 20, 2024 03:30

AES gmc Encryption / Decryption logic in Flutter

	import 'dart:convert';
	import 'dart:typed_data';
	import 'package:encrypt/encrypt.dart' as encrypt;
	import 'package:flutter/material.dart';
	import 'package:flutter/services.dart';

	void main() {
	runApp(EncryptionApp());
	}

ffkev / main.dart

Last active April 11, 2024 06:00

There is a MediaQuery property in Flutter which you can use to restrict scaling of your fonts on different devices based on the device accessibility settings.

	MediaQuery(
	// This will set scaling for the app to always remain 1:1 globally
	data: MediaQuery.of(context).copyWith(textScaler: TextScaler.linear(1.0)),
	// Wrap your Material App with MediaQuery to implement this
	child: MaterialApp.router(
	title: 'ScaleFactorText',
	...
	),
	);