React native amplify

React native amplify

It also simplifies the integration between these services. Here at Alligator. In Part 1 of this React Native walkthroughwe started the app with two navigation screens, Friends and Home and looked at React Navigation. At the moment, we have two screens in MyAlligatorFace : on the Home page, we see how many friends we have and on the Friends page we can add new friends. In this article, we will add a new screen for Authentication.

This will contain a SignUp and LogIn component that we can toggle between. Before we add authentication to our project, we need to spin up our current version of MyAlligatorFace. Now we can integrate AWS Amplify into our project so we can add authentication to our app. Amazon documents the setup for creating an AWS Amplify project here. The CLI will prompt you for several details about the project and redirect you to the web console to setup an IAM user.

Accept all the default values in the prompts and web console. Skip to Step 2. Amazon also documents the key setup steps for Authentication with Amplify. Make sure all of this comes before your App class declaration, so Amplify can be used everywhere in your application.

This connects all of the setup we just did to our React Native project. Next, we will add User Sign-up. Create the following file at the root level of your project:. Now, we need to add this screen to the app navigator. In order to sign up, a user will have to insert their email and password into a form. To help with this, first install the react-native-elements library.

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For now, though, suffice it to say that React Native Elements makes creating a form with inputs much easier. Below is the Sign-up form we will use to add a new user to our AWS user pool. Add the following code to Authentication. However, this form is not connected to AWS yet. Click Submit and you should see an alert like the one below:. However, it should be noted that AWS by default requires a user to be confirmed with a Confirmation Code.

This way, we can make sure that our social media enterprise is not bombarded with fake users or robots. Until we get all of this hooked up, avoid hitting the Submit button because we can easily create a user that is not yet confirmed, and waste time deleting or manually editing that AWS user.

Once we have performed the initial Sign-up, AWS will send a confirmation code to the email we used to sign up. So the first thing we need to do is create a modal where we can enter this confirmation code. Now, add the AWS signUp logic. In addition to sending the request to AWS to make sure the Confirmation Code is valid, we need to dismiss the Modal, and navigate the user to the Home screen.

Our Sign-up code is complete! If you changed from the default region us-east-1 during the AWS setup, you may need to change the URL link to match your region. Click the user pool and then click Users and groups on the left side of the screen. You should see we have no users…yet. Make sure you use an email that you have access to for Sign-up. You must be able to retrieve your Confirmation Code.One of the most requested topics among my channel subscribers is authentication and authorization in the React Native application.

Authentication is a verification of the conformity of the subject and the one he is trying to impersonate using some unique information fingerprints, iris color, voice, etc. Authorization is the verification and determination of the authority to perform certain actions in accordance with previously performed authentication. At the end of this article, we will make this mobile application:.

Authentication is an integral part of almost any application. Knowing who the user is, the unique identifier of the user, what permissions the user has, and whether they are logged in, allows your application to display the correct views and return the correct data for the current logged in user.

Most applications require mechanisms for registering users, logging in, processing encryption and updating passwords, as well as many other tasks related to identity management. In the past, developers had to manually spin all of these authentication features from scratch. This task alone can take weeks or even months from the development team to do everything right and make it safe.

Cognito provides easy and secure user registration, logon, access control, token updating, and user identity management. Cognito scales to millions of users and also supports logging in with social network providers such as Facebook, Google and Amazon.

User Pools — User pools provide a secure user directory that stores all of your users and scales to hundreds of millions of users. This is a fully managed service.

Like serverless technology, user pools are easy to configure, without having to worry about supporting any infrastructure. User pools are what manage all the users who register and log in to the account, and is the main part that we will focus on in this article.

Identity pools — Identity pools allow you to authorize users who are logged into your application to access various other AWS services. Suppose you want to give a user access to a lambda function so that he can receive data from another API. You can specify this when creating the identity pool. User pools include the fact that Cognito or even Facebook or Google user pools can be the source of these identifiers.

See the diagram for the general Amazon Cognito script. The goal here is to authenticate your user and then give him access to another AWS service. At the first stage, the user of your application enters the system through the user pool and receives the tokens of the user pool after successful authentication.

Your application then exchanges user pool tokens for AWS credentials through the identity pool.

Authentication in a React Native App Using AWS Amplify

Cognito User Pools allows your application to call various methods for a service to manage all aspects of user authentication, including things like:. First of all, you can create and configure Amazon Cognito services directly from the AWS Amplify command-line interface.

react native amplify

Amplify also has pre-configured user interface components that allow you to build entire authentication flows in just a couple of lines of code for environments such as React, React Native, Vue, and Angular. You ask how much does it all cost?

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Pay only for what you use. No minimum fees. MAUs are users who have performed at least one authentication operation during a calendar month: registration, authorization, token renewal, or password change.

Subsequent sessions of active users and inactive users in this calendar month are not paid. All the code for this part can be found on Github.It also simplifies the integration between these services. Given the current situation with COVID, times are hard for most of us, but if you're stuck at home you can perhaps use that extra time to work on your React skills. Plus, these are affiliate linksso if you purchase a course you help Alligator.

Expo - React Native Authentication with Expo, AWS Amplify, & Cognito

Here at Alligator. In Part 1 of this React Native walkthroughwe started the app with two navigation screens, Friends and Home and looked at React Navigation.

At the moment, we have two screens in MyAlligatorFace : on the Home page, we see how many friends we have and on the Friends page we can add new friends. In this article, we will add a new screen for Authentication. This will contain a SignUp and LogIn component that we can toggle between. Before we add authentication to our project, we need to spin up our current version of MyAlligatorFace.

Now we can integrate AWS Amplify into our project so we can add authentication to our app. Amazon documents the setup for creating an AWS Amplify project here. The CLI will prompt you for several details about the project and redirect you to the web console to setup an IAM user. Accept all the default values in the prompts and web console. Skip to Step 2. Amazon also documents the key setup steps for Authentication with Amplify. Make sure all of this comes before your App class declaration, so Amplify can be used everywhere in your application.

This connects all of the setup we just did to our React Native project. Next, we will add User Sign-up.

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Create the following file at the root level of your project:. Now, we need to add this screen to the app navigator. In order to sign up, a user will have to insert their email and password into a form.AWS Amplify is a fantastic framework that helps you develop your web or mobile applications quickly.

Features include:. You know the scenario: You need to store some amount of user information credentials for them to get back and re-use the application rather creating a new account. Amplify helps us integrate its authentication component out of the box. Now, if you have developed an application with a proper authentication flow, you know what a pain it is to write that amount of code. It will walk you through basics such as What is Amplify?

Note: To use any Amplify service and to follow the rest of this tutorial, you need an AWS account which is free. Now, open up a terminal window at a desired directory or location where you keep your demo projects and type the following and then press enter to execute:. This command will create a new directory called customize-amplify-auth-ui. You can name it whatever you want. This will save us time, but for now, you can go ahead with react-native-cli if you want to—but remember to run react native link when integrating Amplify with your React Native app.

R ememberyou need to create a free AWS account and sign-in. Now, from your terminal window, execute the following command. This will open up the AWS console dashboard. Go back to the terminal and press enter to continue.

This will lead you through a bunch of questions in order to configure a user account to use Amplify with the React Native application.

Lastly, it will provide you with a secret key and an access key. Go back to the terminal window and enter those keys. With Fritz AI, you can teach your apps to see, hear, sense, and think.

Learn how and start building with a free account. To integrate AWS Amplify with the React Native app, run the following command that in return prompts you for some more questions.

This is required, as this command will add some configuration files:. Also, a new file called aws-exports. Make sure that the. Amplify CLI is so good that it will update this file for you and take care of what to commit or not commit from the configuration part.It is a client library with a CLI toolchain that allows the developers to create as well as connect to a variety of services in the cloud. When a full-stack mobile app is in its starting phase of development, it has a lot of requirements to fulfill.

The Amplify services enable features like GraphQL, storage, serverless functions, hosting and access to detailed analytics. The objective of CLI and the library is to allow the developers to create full-stack web applications rather than worrying about managing the back-end infrastructure.

This allows them to move further up the stack with the skills they already have. Amplify works with JavaScript projects. It also features framework-specific components who are perfect for Angular, React Native and Vue. AWS or Amazon Web Services technology provides cloud services like hosting, database technologies, storage, etc.

Some of these features include —. First of all, we would be creating a new React application using create-react-app CLI. The same is changed into a new directory —.

Making a mobile app with React Native and AWS Amplify

It shows us the available options to ensure that the CLI was installed properly. When asked, just choose the text editor you want and tick on all the defaults for the rest of the options. The same initializes a new AWS Amplify project which makes a new amplify directory and a. The same files hold the configuration of our Amplify project.

Setting up user authentication is the first thing we need to do. We need to run the following commands —. As soon as it is created, we would be running amplify push for creating the new service in our account. As soon as your service is created, you can access the dashboard. There you can view each item by clicking the name of your service. Here, a file would also be created called aws-export.

As the authentication service is already created, we can implement the same in the React app. You would start off with configuring the React app. If you are required to develop a React native Apps, so you can Hire dedicated React native developers who can help to build a serverless app with react native and AWS amplify as per requirement.

react native amplify

As now you have already built a cross-platform mobile app, you can implement the same into your business or personal projects.

If your business needs a serverless app, look for services that offer the best solutions for your customers and get your demands fulfilled as per requirement.AWS Amplify is a command line tool-chain that helps you to develop and connect AWS cloud services directly to any frontend environment, whether a library such as ReactJS or a mobile development framework, React Native.

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Building a full-stack mobile app in the real world requires a lot of basic requirements to be fulfilled. AWS Amplify tries to reduce the amount of time spent on building an application using it. You are going to need the following installed on your local dev machine in order to follow this tutorial. You should have some familiarity with React Native and mobile development, and be able to troubleshoot your own dev environment.

Note : Working with development environments can be a bit tricky. Since, you are going to use Expo CLI for this tutorial, please refer to this document on how to run the Expo Client app on a real device or a simulator.

Amazon Web Services is a well-known technology that provides cloud services. These services include hosting, storage, database technologies and managing serverless applications for both mobile and web. React Native already has an advantage by quickly and easily bootstrapping an app using tools like Expo previously known as create-react-native-app. However, writing and managing a backend service for your app can be challenging.

On initializing the new project it will ask you follow questions. Choose the below:. After scaffolding a new Expo project navigate inside the directory using cd tbrlist-amplify. To begin with configuration, it is important to have an AWS account signup. This will make it easier for you to follow the rest of the tutorial. Run the following command:. Press enter to continue and it will ask you to login to AWS console account with your login credentials by opening a new browser window.

Once logged in, go back to terminal window and press enter to continue, again. The CLI tool will now prompt you with a different set of questions in order to set up a cloud service and create a user in the cloud.

Follow closely. On entering the username, press enter and it will open AWS console again in a browser window for you to add a user. Make sure in the above screen that Programmatic access is checked as shown.

This allows you to add the user you are now creating to create resources in the form of different APIs and tools by providing you with an access key and secret key. Click on the button Next: Permissions. On the next page, you will see that policy has already been selected by default.

This provides you the full access to AWS services by enabling your user to be as an administrator. Click Next: Tags.AWS is well known in the technology industry as a provider of cloud services. These include compute, storage, and database technologies, as well as fully managed serverless offerings.

The AWS Mobile team has been working closely with customers and members of the JavaScript ecosystem to make cloud-connected mobile and web applications more secure, scalable, and easier to develop and deploy. We began with a complete starter kitbut have a few more recent developments. However, connecting them to the cloud can be challenging to navigate when you try to match a use case to infrastructure services. For example, your React Native app might need to upload photos.

react native amplify

Should these be protected per user? That probably means you need some sort of registration or sign-in process. Do you want your own user directory or are you using a social media provider? Maybe your app also needs to call an API with custom business logic after users log in.

The design is broken into "categories" of tasks, instead of AWS-specific implementations. For example, if you wanted users to register, log in, and then upload private photos, you would simply pull in Auth and Storage categories to your application:. In the code above, you can see an example of some of the common tasks that Amplify helps you with, such as using multi-factor authentication MFA codes with either email or SMS.

The supported categories today are:. One of the nice things about Amplify is that it encodes "best practices" in the design for your specific programming environment. For example, one thing we found working with customers and React Native developers is that shortcuts taken during development to get things working quickly would make it through to production stacks.

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These can compromise either scalability or security, and force infrastructure rearchitecture and code refactoring. This pattern is encoded into the API category of Amplify.

You can use this pattern to interact with several different REST endpoints, and pass headers all the way through to your Lambda function for custom business logic. To get started, just install via npmand follow the configuration prompts:. Another example of encoded best practices that is specific to the mobile ecosystem is password security. The default Auth category implementation leverages Amazon Cognito user pools for user registration and sign-in.

This service implements Secure Remote Password protocol as a way of protecting users during authentication attempts. If you're inclined to read through the mathematics of the protocolyou'll notice that you must use a large prime number when calculating the password verifier over a primitive root to generate a Group. This makes BigInteger calculations for security operations such as this less performant.

Serverless App with React Native and AWS Amplify

To account for this, we've released native bridges in Android and iOS that you can link inside your project:. We're also excited to see that the Expo team has included this in their latest SDK so that you can use Amplify without ejecting.

Finally, specific to React Native and React development, Amplify contains higher order components HOCs for easily wrapping functionality, such as for sign-up and sign-in to your app:. It also gives you some properties around managing the state of the user, such as if they've signed in or are waiting for MFA confirmation, and callbacks that you can fire when state changes.

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Similarly, you'll find general React components that you can use for different use cases. You can customize these to your needs, for example, to show all private images from Amazon S3 in the Storage module:. You can control many of the component features via props, as shown earlier, with public or private storage options. There are even capabilities to automatically gather analytics when users interact with certain UI components:.

AWS Amplify favors a convention over configuration style of development, with a global initialization routine or initialization at the category level. The quickest way to get started is with an aws-exports file.

However, developers can also use the library independently with existing resources. For a deep dive into the philosophy and to see a full demo, check out the video from AWS re:Invent.


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