How to troubleshoot annotation processin problems in Java compiler using the Eclipse development tool _java

A lot of Android developers like me, with the IDE may be from Google's Android Web download ADT bundle Eclipse Bar, it is really convenient, the decompression is directly available. But some time ago encountered a problem, was intended to use a butterknife this injection framework, but not just throw the jar bag into the Project Libs folder is finished, but also required in the project right key preference find Java Compiler, After expansion, configure something under the Annotation processing node.

But I started the Java compiler after the dumbfounded. There is no annotation processing this node at all.

Baidu Google search on a circle also find relevant solutions. Finally, I found the answer in StackOverflow:

Perhaps because ADT bundle Eclipse is more focused on Android development, some plug-ins in Java development are not installed by default, resulting in no annotation processing option. It's easy to fix.

The first step: Click Help in the Eclipse menu bar, click Inatall New Software

Step Two: Find Juno in work with- Http://download.eclipse.org/releases/juno , wait a moment when selected (loading)

Step three: Find the Eclipse Java Development Tools in programming languges, select and follow the prompts for the next step