React Native project can't be open with android emulator

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I'm a newbie to react native. I started a new project and followed all the steps. I had Android Studio before and I started the emulator with it. After running npx react-native run-android command I get this error.

**FAILURE: Build failed with an exception.
* What went wrong:
Task 'installDebug' not found in project ':app'.
* Try:
Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 34s
error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with --verbose flag for more details.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081
FAILURE: Build failed with an exception.
* What went wrong:
Task 'installDebug' not found in project ':app'.
* Try:
Run gradlew tasks to get a list of available tasks. Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 34s**

Then I ran abd -d command and I get this.

Android Debug Bridge version 1.0.41
Version 29.0.6-6198805
Installed as C:\Users\User\AppData\Local\Android\Sdk\platform-tools\adb.exe

Can you please help me with this?

1 Answers

As said here, you can try running the following command on the root folder of your project:

cd android && ./gradlew installDevDebug && cd .. && react-native run-android --variant=DevDebug

After this your project should run on your Android sucessfully.

If not, open your project with android studio one time, and then recompile with react-native run-android

If even after this all your project doesnt work, make sure you already have the ANDROID_HOME variable on your PATH variables

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