What is the difference between emma.jar ,emma_ant.jar and emma_device.jar?

Question

Now ,I have a test project need using emma.

But when I open the "$ANDROID_HOME/sdk/tools/lib" path, I found three emma*.jar.

It's emma.jar, emma_ant.jar, emma_device.jar.

But anybody can tell me what's there difference ?

Thanks

Answer 1

Here is a partial answer, about two of the three jars :

emma.jar Contains the implementation of EMMA core components command line tools, and EMMA runtime classes (EMMA classes that are needed by Java application code that has been instrumented for coverage).

emma_ant.jar Contains the implementation of EMMA ANT tasks (this archive depends on emma.jar and does not overlap with it in content).

See Emma Reference Manual