Book Image

Professional React Native

By : Alexander Benedikt Kuttig
Book Image

Professional React Native

By: Alexander Benedikt Kuttig

Overview of this book

The React Native framework offers a range of powerful features that make it possible to efficiently build high-quality, easy-to-maintain frontend applications across multiple platforms such as iOS, Android, Linux, Mac OS X, Windows, and the web, helping you save both time and money. And this book is your key to unlocking its capabilities. Professional React Native provides the ultimate coverage of essential concepts, best practices, advanced processes, and tips for everyday developer problems. The book makes it easy to understand how React Native works under the hood using step-by-step explanations and practical examples so you can use this knowledge to develop highly performant apps. As you follow along, you'll learn the difference between React and React Native, navigate the React Native ecosystem, and revisit the basics of JavaScript and TypeScript needed to create a React Native application. What’s more, you’ll work with animations and even control your app with gestures. Finally, you'll be able to structure larger apps and improve developer efficiency through automated processes, testing, and continuous integration. By the end of this React native app development book, you'll have gained the confidence to build high-performance apps for multiple platforms, even on a bigger scale.
Table of Contents (19 chapters)
1
Part 1: Getting Started with React Native
5
Part 2: Building World-Class Apps with React Native
12
Part 3: React Native in Large-Scale Projects and Organizations

Comparing key metrics

When it comes to mobile apps, there are a few metrics you should have a look at when optimizing your application.

Understanding important metrics

The most important key metrics on mobile are the following:

  • Time to interaction (TTI): This is the time between the user clicking on your app icon and when the user can use your app. It is important to reduce the TTI as much as possible because mobile app users are very impatient. The longer the TTI is, the more users will leave your app without even using it.
  • Application size: This is the size the user has to download from the store to install your application. The larger the application size is, the more users won’t download your app. This can have many reasons such as high transfer costs in some countries or disk space left on the user’s device. The fact is, the smaller your app is, the more users will download it.
  • Memory utilization: This metric describes how much memory your...