java - Getting error when trying to run new project in Android Studio 2.2.1

Question

I just updated to Android Studio 2.2.1 for Mac. Then I updated the JDK to version 8. Tried to start a new project and run it. I got the following error:

Error:(1, 1) A problem occurred evaluating project ':app'.

java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : Unsupported major.minor version 52.0

I also tried going back to JDK version 7 as it says on google site that JDK 8 is unstable for Mac. still got the same error.

Answer 1

Check your android build tools dependencies. In your build.gradle if its something like:

classpath "com.android.tools.build:gradle:+"

It has likely downloaded the alpha of 2.2 and that can cause the error you are seeing.

Try

classpath "com.android.tools.build:gradle:2.1.0"

If you are already using the right build tools version but keep getting this error, maybe one of the third party Android libraries you are using is causing the problem due to the same reason. You can force the dependency version to be used (including transitive) by changing

classpath "com.android.tools.build:gradle:2.1.0"

to

classpath('com.android.tools.build:gradle:2.1.0') {
        force = true
    }

Documentation: gist and official gradle docs.