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If you’re new to mobile development, Expo CLI is the best place to start. Expo is a suite of tools centered on React Native, and while it has many capabilities, the most important one for us right now is that it can start developing React Native App Development Services in minutes. All you’ll need is a current version of Node.js and a phone or emulator. Snack may be used to test React Native straight in your web browser before installing any tools.
If you’re already experienced with mobile programming, React Native CLI can be a good choice. Hire Dedicated React Native Developers to get started, with Xcode or Android Studio. If you already have one of these tools installed, you should be up and running in a matter of minutes. You should anticipate spending around an hour installing and configuring them if they are not already installed.
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Install the necessary tools to get started with React Native
Setup Visual Studio Code (or your code editor of choice)
Download and install Android Studio for Windows. By default, Android Studio installs the most recent Android SDK. React Native requires the Android SDK 6.0 (Marshmallow) or later. We recommend that you use the most recent SDK.
Select Environment Variables…, then New… under User Variables.
Fill in the Variable name and value (path). The following are the default directories for the Java and Android SDKs. If you’ve decided to install the Java and Android SDKs in a specified place, be sure to edit the variable paths properly.
JAVA_HOME: C:\Program Files\Android\Android Studio\jre\jre
ANDROID_HOME: C:\Users\username\AppData\Local\Android\Sdk
Download and install NodeJS for Windows. If you will be dealing with various projects and versions of NodeJS, you should consider utilizing Node Version Manager (nvm) for Windows. For new projects, we recommend installing the most recent LTS version.
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npx react-native init MyReactNativeApp
Open your new “MyReactNativeApp” directory:
PowerShellCopy
cd MyReactNativeApp
Connect a USB cord to your computer if you want to run your project on a physical Android device.
If you wish to run your project on an Android emulator, you shouldn’t have to do anything because Android Studio comes with a built-in emulator. If you wish to execute your software on a certain device’s emulator. In the toolbar, choose the AVD Manager button.
Enter the following command to start your project. This will launch Node Metro Bundler in a new console window.
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npx react-native run-android
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C:\Users\[User Name]\AppData\Local\Android\Sdk\tools\bin\sdkmanager –licenses
To make changes to the app, enter the My React Native App project directory in your preferred IDE. We prefer Visual Studio Code or Android Studio.
The react-native init project template includes a primary page called App.js. This page is pre-populated with a plethora of relevant links to React Native development resources. Fill the first Text element with text, such as the “HELLO WORLD!” string seen below.
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<Text style={styles.sectionDescription}>
Edit <Text style={styles.highlight}>App.js</Text> to change this screen, and then return to check your changes.
“HELLO WORLD!”
</Text>
To see the changes you made, reload the app. There are various approaches to this.
Enter “r” in the Metro Bundler console window.
Double-tap “r” on your keyboard in the Android device emulator.
Shake the device to bring up the React Native debug menu and select ‘Reload’ on a hardware Android device.
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