How to solve : "Unsupported class version number[52.0] maximum 51.0, Java1.7"?

1
votes

Can't read

[C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\MonoAndroid\v7.0\mono.android.jar] (Can't process class [android/app/ActivityTracker.class] (Unsupported class version number [52.0] (maximum 51.0, Java 1.7)))

how to solve this issue..??

1
xamarinxamarin.android
Possible duplicate of Unsupported major.minor version 52.0 in Visual Studio + Xamarin – Prashant Cholachagudda
Possible duplicate of Error Proguard Unsupported class version number – jdstaerk

1 Answers

3
votes

Had this error too. Which JDK Version do you have installed? I had no problems after upgrading it to version 1.8

Alright, if somebody else is reading this with the same problem, upgrading ProGuard seems to fix this problem too. Just try that! :)