Stefan Majiros - Tech Blog About Mobile App Development w/ React Native

I write tech articles about how to develop custom mobile apps (with React Native and serverless cloud), tech tutorials for other developers, building MVPs, share my personal opinions on the hiring process.

Geo search with AWS Amplify, CDK and custom AppSync JS Resolvers in React Native and React

The guide about implementing custom JS GraphQL Resolver with CDK in Appsync / AWS Amplify project so geo-queries would be supported in both mobile and web apps(React Native).

Integrating Zoom SDK into React Native v.63.4 - Complete Tutorial

This is tutorial about how to integrate Zoom SDK into React Native app. We will cover how to initialize Zoom SDK, join meeting and start meeting from the mobile device. For Android and iOS.

Native Android Fragments in React Native

Recently I was integrating native Android components into React Native. It quite surprised me, that there are still some undocumented tricks and tips especially for adding more complex views or fragments in the Android ecosystem. In this post, I will try to write them down together.

Custom GraphQL Resolver for BatchGetItem in AWS Amplify, AppSync

January 2022

The guide about implementing custom GraphQL Resolver (BatchGetItem) in Appsync / AWS Amplify. Comes with an explanation for Multi-table batch + source code.

A-Z: Mobile E2E Tests in Build Pipeline: AppCenter, React Native, Cavy, Sendgrid

September 2021

Writing E2E tests for React Native, running Cavy tests in a build pipeline, running iOS simulator / Android emulator in CI pipeline in MS AppCenter, basic shell scripting catching Jest coverage output to the file, collecting device logs, reporting using Sendgrid Mail API

Implementing React Native Localization (Example) Like a PRO 💖

September 2021

This is short tutorial about implementing support for localizations in React Native apps. We will cover installation of required libraries, 2 main app localization strategies, code + folder structure for localizing text strings and dates, and we will also demonstrate translating JSON locale strings into multiple languages using Google Cloud Translate API. I can think of two main localization strategies of how localization is handled in mobile apps: app localization is taken from device localeapp can use custom localization (different than device locale)Which one to choose, is philosophical a.k.a business question. Me personally as a developer, I prefer

Nightly and serverless builds in MS Appcenter for React Native - Async Mobile DevOps Example

August 2021

In this blog post we will set up nightly builds for React Native apps built with MS AppCenter using serverless NodeJS Azure Function, shell scripts, and environment variables. Ready?

Flutter for React Native Developers |1| by Stefan Majiros

March 2021

After working quite a long time (in frontend world) with React Native, I decided to try Flutter (it is never good being tied to single framework for long-time). This post will be about installation and environment of RN and Flutter.

Integrating Zoom SDK into React Native v.63.4 - Complete Tutorial - iOS

March 2021

In this article I will show you techniques to integrate latest Zoom SDK into iOS apps built with React Native v 63.4. Android is covered in separate post too (link inside).

How to learn professional mobile app development with React Native

October 2020

My personal advice on how to learn mobile app development with React at an outstanding level.

My Personal Roadmap To Mastering React Native

October 2020

What do you need to master to be considered to be a React Native Expert? Here are few hints on how to stand out from other React Native devs in long term...

The SVGs inside React Native from 0.61.5 and Storybook

October 2020

During my recent work with Storybook, I found small problems with SVG and react-native-svg package. So I thought I will share a few ideas that could save time for anybody else

Exporting React Native Storybook Components as Static Storybook Web App

October 2020

In this article, I will focus on React Native and React (a bit) and explain how we can build a static web version of Storybook from React Native project.