Error: Command failed: ./gradlew app:installDebug 해결 방법

1. cd android

2. ./gradlew clean

3. cd ..

4. npm cache clean --force

   <code>cd android</code>
   <code>./gradlew clean</code>
   <code>cd .. </code>

5. 안드로이드 장치 재부팅
6. react-native run-android


참조: [https://stackoverflow.com/questions/37500205/react-native-appinstalldebug-failed](https://stackoverflow.com/questions/37500205/react-native-appinstalldebug-failed)