The project target (Android L (Preview)) was not properly loaded

Question

Recently I upgraded Eclipse along with ADT plugins to Android L priew.

I have the latest Java update as well i.e. Java 8

Answer 1

In my case , my current java version is 1.6.

So i run the command 'update-alternatives --config java' to change the version to java 1.7, then restart the Eclipse, the problem is fixed.

Note: I installed muti-java version(Java 1.6 and java 1.7)

Hope help to you.