Develop a Cross-platform Fitness Application in React Native!

How to develop a Cross-platform Fitness Application in React Native – Part II?

Fitness apps are trending these days as not only the fitness freaks but also health-conscious individuals are leveraging the advantages of these applications. As a consequence, app development companies are competing with one another to architect innovative Fitness apps loaded with elite features. To gain insights about the must-have features of Fitness refer to the article here.

For those planning to architect an impeccable Fitness application, knowledge of certain factors about the development are essential. The most crucial task before jump-starting the development process is picking the right technology and choosing the appropriate platform. The best approach is building a cross-platform fitness application using React Native as this combination yields the desired outcome.

My article provides you thorough guidance on how to execute the process of cross-platform Fitness app development using React Native.

Crucial steps of Fitness app development using React Native In Part-I, I had provided a step by step guidance on the following aspects of the developmental cycle:    

Creating a React Native app and setting up the navigation.

Process of setting up React Native elements.

Creating the login and registration screen Setting up Firebase in React Native and installing the same.

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This article guides you on the developmental process after configuring and setting up of Firebase in React Native. Here we go!

Using Formik and Yup for the authentication of Firebase email    

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Add input validation employing Yup and Formik. Both of these are popular packages used by React Native and React for managing forms.

For installing Formik and Yup, you need the command “yarn add formic yup”.

The next step is to import the file you want to use: import {Formik} from ‘formik’/ import * as yup from ‘yup’.

Using Formik on the registration form:First of all, define the initial value of a form. Then add a function to handle the event of form submission, by injecting Formic props to obtain the form data and intercepting the event on a form.

Setting up input validation using Yup:The steps are creating a new yup instance and defining a validation rule; disabling the button before the input validation gets enabled. Then a validation message will be displayed below the email input.

Adding them to the registration and password screens: Pass the email to the input password screen, implement the validation in the Input password screen, start defining the input validation using Yup, copy the Formic code from the email input screen, update the initial form and add a function to be used for handling registration. Now add the Formik props to the input.

Registering to Firebase:Activate the firebase sign-in method. Now email login can be used with firebase.

Authentication of Firebase email and password After successful registration now it’s time to implement the email and password login. First, create a login form using Formik, and then handle the validation using Yup. After that the form needs to be submitted to the Firebase authentication service; store the user data to the state and finally redirect it to the home screen.

Configuring Facebook login for iOS and Android Facebook login for iOS     

Installing react-native-fbsdk package: yarn add react-native-fbsdk Installing cacao pod package as per the official document: cd ios ; pod install Now configure the project in Xcode and then again come back to the part of react-nativefbsdk package.

Add a function for handling the authentication data and then activate Facebook login.

Activate Facebook authentication on Firebase first and then on App ID and App secret.

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Facebook login for Android The steps are:   

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Linking the fbsdk package to Android and then setting the Facebook app’s ID to string.xml using the code ./android/app/src/main/res/values/ Adding Android configurations to the required build.gradle files in ‘./android/’ directory and ‘./android/app/’ directory.

Adding the metadata code to the AndroidManifest.xml file in‘./android/app/src/main’directory to finish configuring the native Android files in the React Native project.

Adding the Facebook login feature to the Facebook app that was created earlier and navigating to its dashboard.

Executing the final step of auto-login using Firebase console.

Implementing Google login Implementing Google login for iOS and Android is pretty easy. For this, you have to install a React Native Google login package, run cacao pod, use Xcode for configuring the URL type, activate Google login on Firebase and lastly add a sample code to the application.

The final step Now, the app can be tested on devices without having to buy a developer account. At the final stages of the developmental cycle, you may move the project codebase to expo if you wish to write a custom native code to impart uniqueness to the application.

Advantages of using React Native development services for Building Fitness apps React Native’s easy learning curve and ease of execution, facilitates native app development for react native developers starting from the very first stage of the developmental cycle to releasing it in the app store without the need for touching Android Studio or XCode. Moreover, the usage of a type checker enables the developers to write codebases that are highly maintainable and lowers development expenses. Furthermore, service products such as Firebase account for a budgetfriendly development along with a good mobile infrastructure.

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Concluding words I hope the step by step guidance on how to build a React Native Fitness application was helpful. For any further queries or assistance regarding your React Native app development project please write to us at sales.enquiry@biz4solutions.com. We are a highly experienced React Native App Development Company and a reliable technology partner catering to the needs of clients from diverse domains.

For more information on other technologies please visit: Mobile App Development Companies Ionic App Services AngularJS Development Services

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