I'm trying to run react-native run-android but I continuously get this error.I am running on emulator . I started the app using react-native init.
PS: I am running on proxy.
When I am trying to run
react-native run-android
I get:
FAILURE: Build failed with an exception. * What went wrong: A problem occurred configuring root project 'AwesomeProject'. > Could not resolve all dependencies for configuration ':classpath'. > Could not resolve com.android.tools.build:gradle:2.2.3. Required by: :AwesomeProject:unspecified > Could not resolve com.android.tools.build:gradle:2.2.3. > Could not get resource 'https://jcenter.bintray.com/com/android/tool /build/gradle/2.2.3/gradle-2.2.3.pom'. > Could not GET 'https://jcenter.bintray.com/com/android/tools/buil /gradle/2.2.3/gradle-2.2.3.pom'. Received status code 407 from server: Proxy Authentication Required When I am trying to run
directly in Android Studio
I get:
Error:Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/2.2.3/gradle- 2.2.3.pom'. Received status code 407 from server: Proxy Authentication Required <a href="toggle.offline.mode">Enable Gradle 'offline mode' and sync project</a> I have my node_modules installed and I'm not sure what else to try, I've been googling for the last 4 hours and have come up with nothing.
4 Answers
Answers 1
your problem is not related to npm and node. you have some gradle problems.check if you can access the URL from browser?
https://jcenter.bintray.com/com/android/tools/build/gradle/2.2.3/gradle- 2.2.3.pom
Answers 2
set your proxy details Inside sdk manager
AndroidStudio->tools->Android->SDKManager->system settings->Http Proxy
Answers 3
It clearly says <a href="toggle.offline.mode">Enable Gradle 'offline mode' and sync project</a>. Have you tried enabling offline mode? If not, try this:
Go to File -> Settings.
And open the 'Build,Execution,Deployment',Then open the 'Build Tools' -> 'Gradle'.
Then uncheck "Offline work" on the right.
Click the 'OK' button.
Then Rebuild the Project.
For Mac go to AndroidStudio -> Preferences, rest is same.
Answers 4
Try adding these in your gradle.properties:
systemProp.http.proxyHost=proxyURL systemProp.http.proxyPort=proxyPort systemProp.http.proxyUser=USER systemProp.http.proxyPassword=PASSWORD systemProp.https.proxyHost=proxyUrl systemProp.https.proxyPort=proxyPort systemProp.https.proxyUser=USER systemProp.https.proxyPassword=PASSWORD 
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