title: How to solve : "Unsupported class version number[52.0] maximum 51.0, Java1.7"?
body: <p>Can't read </p>
  
  <blockquote>
    <p>[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)))</p>
  </blockquote>
  
  <p>how to solve this issue..?? </p>