Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081

[react-native]

 

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 app:installDebug -PreactNativeDevServerPort=8081

 

https://abodeofmystories.blogspot.com/2020/10/npx-react-native-run-android-failing-in.html

npx react-native run-android Failing in macOS

 

 

방법 1. npx @react-native-community/cli doctor에서 ANDROID_HOME 오류날경우

1) nano ~/.bash_profile 

2)

export ANDROID_HOME=/Users/hyeminchoi/Library/Android/sdk

export PATH=$ANDROID_HOME/tools:$PATH

export PATH=$ANDROID_HOME/platform-tools:$PATH

export PATH=$PATH:$ANDROID_HOME/tools

export PATH=$PATH:$ANDROID_HOME/tools/bin

export PATH=$PATH:$ANDROID_HOME/emulator

3) source ~/.bash_profile   

 

 

방법 2. npx @react-native-community/cli doctor에서 Android sdk 오류날경우

gradle-wrapper.properties

distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-all.zip

추가

 

... 방법 6까지

 

+ 설치

 

안된다.

 

----------------------- 내가 해결한 방법 -----------------------

 

 

-> adb devices

[디바이스명 device]

-> adb -s 디바이스명 reverse tcp:8081 tcp:8081

 

 

방법 1과 위의 명령어를 수행하면 돌아간다.