How can I use external JARs in an Android project?

Question

I have created an Android project and added an external JAR (hessian-4.0.1.jar) to my project. I then added the JAR to the build path and checked it off in Order and Export.

Answer 1

in android studio if using gradle

add this to build.gradle

compile fileTree(dir: 'libs', include: ['*.jar'])

and add the jar file to libs folder