React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative components.

react-native

Learn React-native

Expo Application Services ([EAS](https://expo.dev/eas)) is a cloud build service used to build and publish React Native apps.

This course will show you how to create the common types of builds for iOS and Android on EAS. We'll cover Development builds for local development, Preview builds for internal testing, and Production builds for release.

Additionally, you'll learn about:
- app versioning
- automatic store uploads
- setting up store listing pages
- installing multiple app variants on the same device
- installing past builds with [Expo Orbit](https://docs.expo.dev/build/orbit/)

## iOS

An overview of build signing, and why an Apple Developer account needed in order to install builds on a real device.

How to create:
- an iOS simulator build
- a build to use on your device for local development
- a build to share with your team without uploading it to App Store Connect
- a release build to use on the App Store

You will also learn how to upload your build to App Store Connect, share it on TestFlight and create a Release.

## Android

How to create:
- a build to use for development on an emulator or a device
- a build to share with your team without uploading it to Google Play
- a release build to use ob Google Play

We'll cover what is needed to create a new Google Play account, and the current restrictions for individual accounts.

You will also learn how to set up auto-submit on Google Play.

Build and Deploy React Native Apps with Expo EAS

A skeleton loader is a popular UI pattern for loading screens: instead of a spinner, we show static or an animated placeholder for the information that is still loading. 

In this course, we go through 3 instrumental libraries for React Native - Linear Gradient, Masked View, and Reanimated 2 - and in the end, we use them in tandem to build a Skeleton Loader.

**Linear Gradient** [Expo](https://docs.expo.dev/versions/latest/sdk/linear-gradient/) | [Pure React Native](https://github.com/react-native-linear-gradient/react-native-linear-gradient)

**Masked View** [Expo](https://docs.expo.dev/versions/latest/sdk/masked-view/) | [Pure React Native](https://github.com/react-native-masked-view/masked-view)

**Reanimated 2** [Expo](https://docs.expo.dev/versions/latest/sdk/reanimated/) | [Pure React Native](https://github.com/software-mansion/react-native-reanimated/)

This course is built using an iOS simulator on plain React Native. Still, it will work on Expo and Android (you'll need to follow the relevant installation instructions available in the documentation).

The finished code for the skeleton loader (last 2 lessons) is available on [Expo Snack](https://snack.expo.dev/@kadikraman/animated-skeleton-loader).

Building a Customizable Animated Skeleton Loader in React Native

How to create buttons in React Native depending on the level of desired customisability: the quick and simple Button, a more customisable Touchable, and the most customisable Pressable.

Button component is useful for quick prototyping.

TouchableOpacity is the most common way of creating buttons and other touchable areas, and is suitable for most use cases.

Pressable gives you the most control over the look and feel of your button, including customising the pressed state and text, as well as handling long presses separately from regular presses.

Creating Buttons in React Native with Three Levels of Customization

If you already know React, then React Native is a great way to build mobile apps for iOS and Android. Of course, web and mobile apps are very different to build — but this course serves as your guide.

In this course, we’ll build a mobile app from start to release with React Native for both iOS and Android. Prior React experience is required, but you don’t have to know anything about mobile development to participate.

Throughout the course, we’ll be building a “Restaurant Review” app. We’ll use all the standard mobile UI elements like text, images, form inputs, buttons, scroll views, and icons, and we’ll show several navigation techniques like push, modal, and tabs. The app will make HTTP API calls to a server and will store data on the device with AsyncStorage. Finally, we’ll specify a custom app icon and splash screen, deploy the app to a physical device, and prepare the app for release to the App Store and Play Store or for ad-hoc release.

Build a React Native Application for iOS and Android from Start to Finish

React makes it intuitive to build real-world web application. But in reality, you need to use a host of other services to get the app in front of real users. 

This course walks you through setup and implementation to get your cloud-based application up and running. 

You’ll learn to set up:
* a new project in AWS Amplify configured to your React app
* user authentication with Amazon Cognito 
* managed GraphQL with AWS AppSync
* image storage and retrieval with Amazon S3
* text translation via Lambda functions
* and finally, deployment of your application on AWS using Amazon S3

You’ll finish the course ready to quickly and easily deploy your serverless React application, so users can start using and enjoying it right away.

Building Serverless Web Applications with React & AWS Amplify

React Native Video is a community supported video element for React Native. It allows for remote loading of videos and also works with the React Native asset management system to load videos. Having a flexible video component is essential to developing and enhancing your application.
Like many React Native elements, the video element is very basic and doesn't ship with anything besides a flexible API. This allows you to develop the exact layout, controls, and custom overlays to match your application.

In this course we'll take a look at a basic setup. Then explore the different ways we can load and show videos. We'll show how to use a few of the custom callbacks to overlay errors and buffering elements. Because there are no controls shipped with `react-native-video` we'll show how to write custom video controls and animate them when the video has not been interacted with.

Finally we'll cover a few common paradigms found in the wild. Including repeating background cover videos, auto-playing videos when they scroll onto the screen and auto-stopping them when they are scrolled away from.

Fundamentals of React Native Video

In this course we'll explore how to create many popular animated concepts in applications across web and mobile applications. We'll look at both simple, complex, and subtle interactions that you can use to enhance your React Native application.


This course should empower you to look at an animation in an application, break down the effect, and rebuild it in your own application.


The ultimate goal is to show how using the basic Animated calls we can build out effective and complex animations that take your application to the next level.

Real World React Native Animations

In this course we will learn and demonstrate the basic concepts of the React Native Animated API. We'll use Animated calls like `timing` and `spring` to animate style properties, and learn how to combine animations to create more complex effects. We'll learn about more advanced interactions like animations with touch events, interpolation, and flip animations. The ultimate goal is to gain an understanding of how to animate React Native Views, how you can apply them to many different types of styles, and how to enhance the experience in your application.

React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

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Animate React Native UI Elements

In this course, we will be building a React Native news app that is read-only when offline. 

The videos are recorded on a Mac with an iPhone 13 Simulator using plain React Native, but you can do this course using Android, Windows and even the Expo managed workflow. See the lesson description for platform-specific instructions. The solutions repo has been verified to work on a Pixel 3a Emulator on Mac.

The completed app for this course is available [here](https://github.com/kadikraman/news-flash) and each lesson will include a link to the commit that added the code so you can check your work.

After we build our news app, we're going to enhance it to make it read-only when offline using urql'g GraphCache.

This course will require you to run the api locally on your device. The api repo is available [here](https://github.com/kadikraman/news-flash-api).

**Resources:**
- urql: https://formidable.com/open-source/urql/docs/
- Insomnia: https://insomnia.rest/
- Async Storage: https://github.com/react-native-async-storage/async-storage
- React Native Netinfo: https://github.com/react-native-netinfo/react-native-netinfo

Build a News App with React Native, GraphQL and TypeScript

In this course we’ll explore getting started with a basic React Native application on both iOS and Android. We’ll learn about using React Native components, how to build custom components, how to layout an application using Flexbox, and how to style components.


We’ll also focus on how to use state to control components, how to persist information across application reloads with AsyncStorage, and how to inline edit in a ListView.

The ultimate goal is to gain an understanding of how to get started building simple React Native applications.

Build a React Native Todo Application

In this lesson we'll use the ListView component to render a list of items that were entered. We'll show how to setup a ListView.DataSource and how to render custom rows with performance in mind.

Create a List of Items with a React Native ListView

We'll use the interpolate function from an `Animated.Value` to transition the background color of an `Animated.View`. We'll simultaneously translate the position with the same `Animated.Value`.

Animate Colors with React Native Interpolate

By using the `interpolate` function, the  `Animated.View` can be rotated using both degrees and radians.

Animate Rotation with React Native Interpolate

In this lesson we'll learn to use `backfaceVisibility` style property and `rotateX` to create a vertical flip animation, and `rotateY` to create a horizontal flip animation.

Create a Flip Card Animation with React Native

In this lesson we'll use `Animated.parallel` to animate multiple `Animated.timing` and `Animated.spring` animations at the same time.

Animate Multiple Animations at the Same Time with Animated.parallel

In this lesson we'll be using a buffering icon from `react-native-vector-icons` to
display a `buffering` state over the center of the video.

We'll learn how to setup up an `Animated.loop` to rotate the buffering icon and
how to use the video's `meta` to only run the loop during buffering.

Show an Animated Buffering Icon When Remote Videos are Loading in React Native

In this lesson we'll walk through the process of installing the react-native-cli through setting up a basic react-native project on iOS. We'll get the basic project running in a simulator via XCode. We'll also setup Android, Android Studio and get the project running on an emulator with the react-native run-android command.

Setup React Native for iOS and Android

We'll setup 3 buttons (All, Active, Complete) to filter the displayed items based on their completion status. We'll also show how to use flexbox flexDirection row lays out items differently than column.

Filter Items in the React Native List View

In this lesson we'll add a button to the footer that will clear all completed items. We'll use TouchableOpacity and we'll examine how flex `space-around` property works.

Add a Clear All Complete Button to the Footer with React Native TouchableOpacity 

In this lesson we'll use AsyncStorage to save our items so they persist with each reload of the application. We'll show how to use the promise base interface to handle success as well as handle errors.

Persist Items with React Native AsyncStorage

We'll use the cross platform ActivityIndicator to add a loading spinner while the items load from AsyncStorage. We'll show off the importance of rendering order, absolute positioning, and how to center items with `alignItems` and `justifyContent` set to center.

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React Native