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React Native Blueprints

You're reading from React Native Blueprints Create eight exciting native cross-platform mobile applications with JavaScript

Product type Paperback

Published in Nov 2017

Publisher Packt

ISBN-13 9781787288096

Length 346 pages

Edition 1st Edition

Languages

JavaScript

Tools

React

Concepts

Cross Platform Mobile Development

Author (1):

Emilio Rodriguez Martinez

View More author details

Table of Contents (9) Chapters

Preface

1. Shopping List FREE CHAPTER

2. RSS Reader

3. Car Booking App

4. Image Sharing App

5. Guitar Tuner

6. Messaging App

7. Game

8. E-Commerce App

Adding an icon

Once we have our icon designed and saved as a large image, we need to resize it to all the formats Apple requires. In general, these are the sizes required:

20 x 20 px (iPhone Notification 2x)
60 x 60 px (iPhone Notification 3x)
58 x 58 px (iPhone Spotlight - iOS 5,6 2x)
67 x 67 px (iPhone Spotlight - iOS 5,6 3x)
80 x 80 px (iPhone Spotlight - iOS 7-10 2x)
120 x 120 px (iPhone Spotlight - iOS 7-10 3x && iPhone App ios 7-10 2x)
180 x 180 px (iPhone App ios 7-10 3x)

Since this is a very tedious process, we can use one of the online tools which automate all the resizing tasks by providing an image large enough. One of the most popular tools can be found at https://resizeappicon.com/.

Once we have our icon in the proper sizes, we need to add them to our XCode project. We will do this by clicking on Images.xcassets in XCode and adding each image with its corresponding size to each asset in this window:

The next time we compile our app, we will see our new icon in the simulator ...

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Authors (1)

Martinez

Martinez

Emilio Rodriguez Martinez is a senior software engineer who has been working on highly demanding JavaScript projects since 2010. He transitioned from web development positions into mobile development, first with hybrid technologies such as Cordova and then with native JavaScript solutions such as Titanium. In 2015, he focused on the development and maintenance of several apps built in React Native, some of which were featured in Apple's App Store as the top apps of the week. He is also an active contributor to React Native's codebase and Stack Overflow, where he provides advice on React and React Native questions.

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