[Solved] Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

Hello Guys, How are you all? Hope You all Are Fine. Today when I am trying to run my app on android it gives me the following Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081 in React Native. So Here I am Explain to you all the possible solutions here.

Without Wasting your time, Lets start This Article to Solve This Error.

How This Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081 Occurs ?

I am trying to run my app in android by react-native run-android this command and I am getting below error:

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:checkDebugAarMetadata'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.CheckAarMetadataWorkAction

How To Solve Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081 ?

Solution 1: change the compileSdkVersion

To solve this issue just change the compileSdkVersion in your build.gradle file.

1. Open  android > build.gradle file.
2. Change compileSdkVersion from 29 to 30.
3. Change targetSdkVersion from 29 to 30.
4. now run again.

Solution 2: add ResolutionStrategy

add ResolutionStrategy in your build.gradle file to resolve this issue. here is example. add this following line to build.gradle file:

configurations.all {   
    resolutionStrategy { force 'androidx.core:core-ktx:1.6.0 }
} 

Solution 3: add 1.7.0-alpha01

add the below code in build.gradle inside android.

 configurations.all {
        resolutionStrategy {
            force 'androidx.core:core-ktx:1.6.0'
        }
    }

and then apply this

implementation 'androidx.core:core-ktx:1.7.0-alpha01'

Summery

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

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