A Step-by-Step Guide to Building a Start-Up Mobile App with React Native

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Creating the right mobile app can make or break your business, which means making the right decisions on app development can be one of the most important choices you’ll ever make. In this step-by-step guide to building a startup mobile app with React Native, we’ll walk you through everything from choosing your tools and project layout to finalizing your product. Let’s get started!

A brief description of React Native

React Native is an open-source framework for developers who want to create cross-platform apps. It was originally developed by Facebook as a way for them to build robust and natively-looking apps using JavaScript, rather than having to write in Objective C or Swift. It’s also been used by Instagram, Skype, Tesla, and Walmart Labs. Developers can use the same programming language (JavaScript) across multiple platforms, which means they spend less time learning new languages and frameworks.

Step 1: Choose your tools

One of the first decisions you’ll need to make is which tools and ReactJs development company services you want to use for your project. There are tons of options and it can be hard to know where to start. I recommend reading Building Mobile Apps with React Native to get an overview of what’s available. Another important decision you’ll have to make is whether or not you want to go native (using Swift, Objective-C, Java) or if you want to go cross-platform (using Cordova). I recommend going cross-platform if this is your first project because it will save you time.

Step 2: Create React Native apps

After choosing tools and programming languages, the next step is coding. For beginners, there are many good tutorials and examples that show how to build an application in React Native. Here are some of them:

1) A step-by-step guide to building a startup mobile app with React Native 

2) Building your first react native application using Expo 

3) Building your first react native application using Create App (Create React Native App) 

4) Building Your First Mobile App With ReactNative – Free Course from Udemy

Start by downloading one of these guides and following the steps. Each tutorial provides detailed explanations on what each line of code does. When you’re done reading through these tutorials, try following the tutorial yourself! The best way to learn is by doing!

Step 3: Configure the Android project

When we configure the Android project, we need to make sure that the build variant is set as a release. We also need to provide the location of our Keystore and the associated password. To do this, select Keystore Path from the list on the left and enter your path into the textbox on the right. Next, enter your passwords for both your private key (which was created in Step 1) and certificate (created in Step 2). For both passwords, use something easy for you to remember but not easy for someone else to guess. You will only have one chance to get it right so it’s important that you don’t forget what it is! Now click Create Project and wait for the process to finish. In a few moments, you’ll be ready to import an existing React Native project into your new Android Studio environment!

Step 4: Creating an Ionic App

After completing the configuration of the Android project, you will be able to launch and build your Ionic app. You can do this by typing ionic Cordova run android in the terminal or CMD. A quick note, make sure that you have configured everything correctly on the Ionic side before trying to build it on your computer. When using the ionic serve command, there should be no errors showing up in the terminal or console.  If there are any errors, go back to the Ionic configuration steps and ensure that you’ve made all of the necessary changes for your computer’s environment. If all is well then let’s proceed to develop our app!

Step 5: Add icons and splash screens

The final step in the process is to add icons and splash screens. If you are developing for iOS, you’ll need an icon that is 1024×1024 pixels in size. If you are developing for Android, it will need to be at least 512×512 pixels. You should also add a splash screen image that is 320×480 pixels on iOS and 320×320 pixels on Android. Next, create launch images for your app: iPhone (1), iPhone (2), iPad (1), iPad (2). After completing these steps, your development environment will have everything ready to go.

Step 6: Testing and Quality assurance

Testing is crucial to ensure that your product performs as expected. You will want to test on the target device, in the target environment, and do so at scale. The best way to do this is by releasing your application into beta and soliciting feedback from users. If you don’t already have an audience for your product, one of the best ways is by using a service like Google Play Instant or by hosting an open beta on TestFlight or HockeyApp.

Author BIO

With over 10 years experience as a leader in Back-End, Deepak Gautam is Back-End team leader of Devstringx Technologies, a top mobile app development company in Noida, India.  He has extensive knowledge and experience of back-end technologies including Php, Java, Python, .net, and many more. He love to helping and educate peoples through his content base on his experience. He is known for his visionary leadership and flamboyant management style, which have gained the company many benefits.

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I have 22 Year experience in website development, blogging, Seo, Content writing, and Link building. Digital Marketing Certified Professional. Social Media Marketing Certified. Advance Seo Certified Professional.