src/main/java/com/simpligility/maven/plugins/android/phase_prebuild/ClasspathModifierLifecycleParticipant.java
private void addClassesToClasspath( UnpackedLibHelper helper, MavenProject project, Artifact artifact )
        throws MavenExecutionException
    {
        // Work out where the dep will be extracted and calculate the file path to the classes jar.
        // This is location where the GenerateSourcesMojo will extract the classes.
        final File classesJar = helper.getUnpackedClassesJar( artifact );
        log.debug( "Adding to classpath : " + classesJar );

        // In order to satisfy the LifecycleDependencyResolver on execution up to a phase that
        // has a Mojo requiring dependency resolution I need to create a dummy classesJar here.
        if ( !classesJar.exists() )
        {
            classesJar.getParentFile().mkdirs();
            try
            {
                final ZipOutputStream zipOutputStream = new ZipOutputStream( new FileOutputStream( classesJar ) );
                zipOutputStream.putNextEntry( new ZipEntry( "dummy" ) );
                zipOutputStream.close();
                log.debug( "Created dummy " + classesJar.getName() + " exist=" + classesJar.exists() );
            }
            catch ( IOException e )
            {
                throw new MavenExecutionException( "Could not add " + classesJar.getName() + " as dependency", e );
            }
        }

        
        // Modify the classpath to use an extracted dex file.  This will overwrite
        // any exisiting dependencies with the same information.
        final Dependency dependency = createSystemScopeDependency( artifact, classesJar, null );
        final Dependency providedJar = findProvidedDependencies( dependency, project );
        if ( providedJar != null ) 
        {
            project.getModel().removeDependency( providedJar );
        }
        project.getModel().addDependency( dependency );
    }
private void addClassesToClasspath( UnpackedLibHelper helper, MavenProject project, Artifact artifact )
        throws MavenExecutionException
    {
        // Work out where the dep will be extracted and calculate the file path to the classes jar.
        // This is location where the GenerateSourcesMojo will extract the classes.
        final File classesJar = helper.getUnpackedClassesJar( artifact );
        log.debug( "Adding to classpath : " + classesJar );

        // In order to satisfy the LifecycleDependencyResolver on execution up to a phase that
        // has a Mojo requiring dependency resolution I need to create a dummy classesJar here.
        if ( !classesJar.exists() )
        {
            classesJar.getParentFile().mkdirs();
            try
            {
                final ZipOutputStream zipOutputStream = new ZipOutputStream( new FileOutputStream( classesJar ) );
                zipOutputStream.putNextEntry( new ZipEntry( "dummy" ) );
                zipOutputStream.close();
                log.debug( "Created dummy " + classesJar.getName() + " exist=" + classesJar.exists() );
            }
            catch ( IOException e )
            {
                throw new MavenExecutionException( "Could not add " + classesJar.getName() + " as dependency", e );
            }
        }

        
        // Modify the classpath to use an extracted dex file.  This will overwrite
        // any exisiting dependencies with the same information.
        final Dependency dependency = createSystemScopeDependency( artifact, classesJar, null );
        final Dependency providedJar = findProvidedDependencies( dependency, project );
        if ( providedJar != null ) 
        {
            project.getModel().removeDependency( providedJar );
        }
        project.getModel().addDependency( dependency );
    }
Add the dependent library classes to the project classpath.