Severity Code Description Project File Line Suppression State Error java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 AluraNutricao.Droid
Severity Code Description Project File Line Suppression State Error java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0 AluraNutricao.Droid
Olá, João!
1) Nesse caso, instale o jdk 1.8 apropriado para o seu sistema a partir deste link:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
2) Depois entre no menu:
Microsoft Visual Studio -> Tools -> Options -> Xamarin -> Android Settings -> Java Development Kit Location
3) Mude para o caminho da pasta do jdk que você instalou.
Boa sorte e bons estudos!