Start Android Studio app, then create a blank project.React Native is a mobile development framework for building cross-platform apps that run and feel truly native on both iOS and Android. AVD Manager has a nice interface when started from Android Studio. Android emulators are managed through a UI called AVD Manager. The purpose of this section is to guide you to create in your development environment an Android emulator. Setup Android Emulator on Mac OS X.Open the directory android that you made it in the first step. Click on the AVD Manager icon on the top. Click on the Tools tab -> AVD Manager. /Users//Library/Android/sdk/tools/emulator -avd Open the Emulators in Android Studio.It allows you to run Android apps on your PC or Mac.An emulator is a virtual device that lets you test your app without owning an actual device. I cover a couple of gotchas I found pre and. After the setting you have to connect your android device with your Mac.Create and manage virtual devices in Android Emulator. You need to check the process. In the root of the original android directory, paste the adb.
Start Android Emulator Manager How To Test RunPrerequisitesThe following are required in order to run a React Native app on Android: Weâll 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. After that, weâll look at how to run an example React Native app on the emulator and on a physical Android device. However, running React Native apps on Android requires some initial setup.In this post, weâll 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. After that, launch the executable and follow the prompts to complete the installation process.Once youâre done with the installation process, go ahead and start Android Studio. Android Studio is available for macOS, Windows, and Linux.To install Android Studio, download the Android Studio setup file here. Itâs available for free and can be downloaded from the official website. ![]() 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. However, the instructions linked above involve using an executable installer. Below are links to the official download pages and installation instructions for Windows and macOS users:There are multiple ways of installing JDKâfor example, using Homebrew on macOS. Chromecast for mac proOnce created, youâll find a new folder in your current directory. Creating a New Project With React Native CLIOpen a new terminal window or command prompt if youâre 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 â Systems.In the next section, weâll be creating a new React Native project, which weâll use to test our setup so far. Windows SetupOn the other hand, if youâre on a Windows PC, youâll need to add a new environment variable via the control panel. Alternatively, you can run source ~/.bash_profile or source ~/.zshevn (depending on the type of terminal you have). To do that, go to Settings on your Android device and navigate to the About Device section. Enabling USB DebuggingUSB debugging makes it possible for the Android Debug Bridge (ADB) to push APKs to your phone.To enable USB debugging, youâll need to unlock the Developer Options first. Before we do that, letâs make sure the device and your computer are able to communicate properly. Running the App on a Physical Android DeviceIn this section, weâll 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. Next, letâs try to run the same app on an emulator.Weâll begin with creating a new emulator if we donât have one set up already.Open AVD Manager by navigating to Tools â AVD Manager in Android Studio. Using an EmulatorAt this point, weâve 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. After that, go back to the terminal (make sure your project directory is set as the current directory), then run the following command: npx react-native run-androidOn a successful build (when no error occurs), the app will be installed on your Android device. From there, turn on USB debugging.Connect your phone to the computer using a USB cable. First, run the npm start command to start Expo (if Expo isnât already active). EmulatorNow letâs run our app on an emulator using Expo. Once Expo is running, connect your phone, then click on âRun on Android device/emulatorâ to run your app. Itâs 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 weâve discussed so far, letâs take a look at another way to test run a React Native app. After that, your app should start up on it. Wait for the emulator to finish booting. ![]()
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