Answer: Gradle sync failed: Cause: compileSdkVersion is not specified

serverbroad profile image Server Broad ・1 min read

You are using android support library of 27.+ so you will have to give sdk version 27 as compileSdkVersion and targetSdkVersion otherwise your project does not know for which platform your project should be built. These parameter should be given in android directory like this in build.gradle(app):

android {


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