src/main/java/com/simpligility/maven/plugins/android/phase09package/ApklibMojo.java
protected void addJavaResource( JarArchiver jarArchiver, Resource javaResource, String prefix )
            throws IOException
    {
        if ( javaResource != null )
        {
            final File javaResourceDirectory = new File( javaResource.getDirectory() );
            if ( javaResourceDirectory.exists() )
            {
                final String resourcePath = javaResourceDirectory.getCanonicalPath();
                final String apkLibUnpackBasePath = getUnpackedLibsDirectory().getCanonicalPath();
                // Don't include our dependencies' resource dirs.
                if ( ! resourcePath.startsWith( apkLibUnpackBasePath ) )
                {
                    final DefaultFileSet javaResourceFileSet = new DefaultFileSet();
                    javaResourceFileSet.setDirectory( javaResourceDirectory );
                    javaResourceFileSet.setPrefix( endWithSlash( prefix ) );
                    jarArchiver.addFileSet( javaResourceFileSet );
                }
            }
        }
    }
protected void addJavaResource( JarArchiver jarArchiver, Resource javaResource, String prefix )
            throws IOException
    {
        if ( javaResource != null )
        {
            final File javaResourceDirectory = new File( javaResource.getDirectory() );
            if ( javaResourceDirectory.exists() )
            {
                final String resourcePath = javaResourceDirectory.getCanonicalPath();
                final String apkLibUnpackBasePath = getUnpackedLibsDirectory().getCanonicalPath();
                // Don't include our dependencies' resource dirs.
                if ( ! resourcePath.startsWith( apkLibUnpackBasePath ) )
                {
                    final DefaultFileSet javaResourceFileSet = new DefaultFileSet();
                    javaResourceFileSet.setDirectory( javaResourceDirectory );
                    javaResourceFileSet.setPrefix( endWithSlash( prefix ) );
                    jarArchiver.addFileSet( javaResourceFileSet );
                }
            }
        }
    }
Adds a Java Resources directory (typically "src/main/resources") to a {@link JarArchiver}.

@param jarArchiver
@param javaResource The Java resource to add.
@param prefix       An optional prefix for where in the Jar file the directory's contents should go.
@throws IOException in case the resource path can not be resolved