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When running the android app in react native i'm geeting this error

Execution failed for task ':react-native-contacts:compileDebugJavaWithJavac'.

Could not find tools.jar. Please check that C:\Program Files\Java\New folder contains a valid JDK installation.

I have also checked the java version it is installted. My java version is 1.8.0_151.

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  • Do you use react-native-maps ? Commented Aug 29, 2018 at 9:43
  • no i'm just running the app . Commented Aug 29, 2018 at 9:46
  • i download it from github Commented Aug 29, 2018 at 9:46

1 Answer 1

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add Jdk path org.gradle.java.home=C:\\Program Files\\Java\\jdk1.8.0_144 to gradle.properties file and then run this command line in your projects root

cd android && gradlew clean && cd .. && react-native run-android

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Now i'm getting this error Execution failed for task ':app:installDebug'. > com.android.builder.testing.api.DeviceException: com.android.ddmlib.InstallException: INSTALL_FAILED_UPDATE_INCOMPATIBLE

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