To run and test your React Native application on the android device you need to set up the Android Environment. Setting up your development environment can be somewhat tedious if you’re new to Android development. If you’re already familiar with Android development, there are a few things you may need to configure. In either case, please make sure to carefully follow the next few steps. Here are 3 Steps to Setting up Android Development Environment & Android Studio. If you want to install the same on Mac OS then you can visit Setting up Android Development Environment & Android Studio in Mac OS.
1. Install Android Studio
Download and install Android Studio. Choose a “Custom” setup when prompted to select an installation type. Make sure the boxes next to all of the following are checked:
- Android SDK
- Android SDK Platform
- Performance (Intel ® HAXM)
- Android Virtual Device
Then, click “Next” to install all of these components.
Once setup has finalized and you’re presented with the Welcome screen, proceed to the next step.
2. Install the Android SDK
Android Studio installs the latest Android SDK by default. Building a React Native app with native code, however, requires the
Android 9 (Pie) SDK in particular. Additional Android SDKs can be installed through the SDK Manager in Android Studio.
The SDK Manager can be accessed from the “Welcome to Android Studio” screen. Click on “Configure”, then select “SDK Manager”.
The SDK Manager can also be found within the Android Studio “Preferences” dialog, under Appearance & Behavior → System Settings → Android SDK.
Select the “SDK Platforms” tab from within the SDK Manager, then check the box next to “Show Package Details” in the bottom right corner. Look for and expand the
Android 9 (Pie) entry, then make sure the following items are all checked:
- Android SDK Platform 28
- Intel x86 Atom_64 System Image or Google APIs Intel x86 Atom System Image
Next, select the “SDK Tools” tab and check the box next to “Show Package Details” here as well. Look for and expand the “Android SDK Build-Tools” entry, then make sure that
28.0.3 is selected.
Finally, click “Apply” to download and install the Android SDK and related build tools.
3. Configure the ANDROID_HOME environment variable
The React Native tools require some environment variables to be set up in order to build apps with native code.
3.1. For Windows User
Open the System pane under System and Security in the Windows Control Panel, then click on Change settings. Open the Advanced tab and click on Environment Variables. Click on New to create a new
ANDROID_HOME user variable that points to the path to your Android SDK:
The SDK is installed, by default, at the following location:
You can find the actual location of the SDK in the Android Studio “Preferences” dialog, under Appearance & Behavior → System Settings → Android SDK. Open a new Command Prompt window to ensure the new environment variable is loaded before proceeding to the next step.
Add platform-tools to Path
Open the System pane under System and Security in the Windows Control Panel, then click on Change settings…. Open the Advanced tab and click on Environment Variables…. Select the Path variable, then click Edit. Click New and add the path to platform-tools to the list.
The default location for this folder is:
3.2. For Linux Users
Assuming you have the SDK extracted at
Add the following lines to your
$HOME/.bash_profile(If you unable to find then try for
$HOME/.bashrc ) config file:
To test if you have set it up correctly run the below commands on a terminal window
- Run1echo $ANDROID_HOME
//will print the path to your SDK /home/Android/Sdk
- Run1which android
//will print /home/<user>/Android/Sdk/tools/android
//If it opens up Android SDK Manager, you are good to go.
This is how you can install the Android Studio and can set up the Android Development Environment. Next, You will need an Android device to run your React Native Android app. This can be either a physical Android device or more commonly, you can use an Android Virtual Device which allows you to emulate an Android device on your computer. To create an Android Virtual Device you can follow how to create an Android Virtual Device and different ways to launch the Emulator.
If you are facing any problem or if you have any doubt about the topic you can comment below or contact us here.
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