React Native app in the Expo application on your phone. The operating system for Droid4X is based on Android 4.2.2.Harness the Power of React Native to Create Stunning iOS and Android. The Driod4X is also available for Mac.However, running React Native apps on Android requires some initial setup.In this post, we’ll walk through all the initial setup required to set a suitable development environment. The process can be as simple as connecting your Android device to the computer you use for development and running a command. For example, you can set up an emulator based on a device like the Google Pixel and use your preferred version of the Android operating system.If you own a physical Android device and prefer to test your app on it, React Native has got you covered there too. Using the Android Virtual Device offers a wide variety of virtual devices that can be emulated.
![]() Android Emulator Expo Free And CanAndroid Studio is available for macOS, Windows, and Linux.To install Android Studio, download the Android Studio setup file here. It’s available for free and can be downloaded from the official website. JDK 8 (installation instructions for macOS here and Windows here)Installing Android Studio and Android SDKAndroid Studio is the official IDE for Android application development. PrerequisitesThe following are required in order to run a React Native app on Android: We’ll close with learning how to test run React Native apps created using the Expo CLI and also how to test React Native apps using a tool known as Waldo. ![]() Alternatively, you can run source ~/.bash_profile or source ~/.zshevn (depending on the type of terminal you have). After that, paste the following code to the file: export ANDROID_HOME=$HOME/Library/Android/sdkExport PATH=$PATH:$ANDROID_HOME/tools/binExport PATH=$PATH:$ANDROID_HOME/platform-toolsTo reload the new configuration, restart your terminal. MacOS SetupFollow these steps to set up environment variables on your macOS computer.Run either sudo nano ~/.bash_profile (for bash) or sudo nano ~/.zshenv (for zsh) to edit your shell configuration file. This step will allow React Native to interact with the Android SDK via the command line. Hence, we can proceed to add the Android SDK to our environment variables. You can install JDK 8 using any method you prefer.At this point, we have Android Studio and JDK 8 installed. Once created, you’ll find a new folder in your current directory. Creating a New Project With React Native CLIOpen a new terminal window or command prompt if you’re on a Windows PC and run the following command: npx react-native init helloReactNativeAfter you hit the enter key, wait for the new project setup to complete. If you already have a project setup, you can skip the section. Open the control panel (in category view), then navigate to Systems and Security → Systems.In the next section, we’ll be creating a new React Native project, which we’ll use to test our setup so far. Before we do that, let’s make sure the device and your computer are able to communicate properly. Running the App on a Physical Android DeviceIn this section, we’ll be running our project on an actual Android device. That is, in a case where your project has a different name. Run the following commands to navigate to the project folder: cd helloReactNativeTIP: Replace helloReactNative with the actual name of your project. Contoh proposal program kreativitas mahasiswa gagasan tertulisFrom there, turn on USB debugging.Connect your phone to the computer using a USB cable. In the About Device section, tap on the Build Number 10 times or until you see the message “You are now a developer.”With the Developer Options enabled, you should find a Developer Options item on the settings screen or under Advanced/System Settings. To do that, go to Settings on your Android device and navigate to the About Device section. Next, let’s try to run the same app on an emulator.We’ll begin with creating a new emulator if we don’t have one set up already.Open AVD Manager by navigating to Tools → AVD Manager in Android Studio. Using an EmulatorAt this point, we’ve been able to complete the initial setup, and we were able to run our app on an Android device. Please accept the prompt to grant ADB access. The build process might take a few seconds or minutes, depending on the strength of your computer.TIP: A prompt might appear on your phone requesting permission for ADB the first time you run the above command. Wait for the emulator to finish booting. Then, open the Expo client in Chrome and click on “Android device/emulator.”TIP: You might need to remove any connected Android device.Expo will start a new instance of an emulator you have preconfigured. First, run the npm start command to start Expo (if Expo isn’t already active). EmulatorNow let’s run our app on an emulator using Expo. Once Expo is running, connect your phone, then click on “Run on Android device/emulator” to run your app. After that, you can start testing your React Native app seamlessly with Waldo. Sign up on their website here. It’s easy to use and requires no long configurations.You can try Waldo for free. Waldo is a no-code testing solution for mobile development. An Extra Way to Test Run Your React Native AppIn addition to all the methods we’ve discussed so far, let’s take a look at another way to test run a React Native app.
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