Android Question B4A V7.30 compile message

[drgottjr]

B4A Version: 7.30
Parsing code. (0.03s)
Compiling code. (0.09s)
Compiling layouts code. (0.02s)
Organizing libraries. (0.00s)
Generating R file. (0.08s)
Compiling generated Java code. (1.60s)
Convert byte code - optimized dex. Error
java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)
Exception in thread "main"

what did i do bad?

 

[chuath]

You need to install Java 8

 

[DonManfred]

what did i do bad?

You forget to update you java-installation.
Update your java to be java 8

 

[drgottjr]

and so it was done. thank you.