また、antbuild.xmlを変更することもできます。これをそれに追加します:
<target name="-package-resources" depends="-crunch">
<do-only-if-not-library elseText="Library project: do not package resources..." >
<echo level="info">packagin resources for package: ${project.app.package}</echo>
<aapt executable="${aapt}"
command="package"
versioncode="${version.code}"
versionname="${version.name}"
debug="${build.is.packaging.debug}"
manifest="${out.manifest.abs.file}"
assets="${asset.absolute.dir}"
androidjar="${project.target.android.jar}"
apkfolder="${out.absolute.dir}"
nocrunch="${build.packaging.nocrunch}"
resourcefilename="${resource.package.file.name}"
resourcefilter="${aapt.resource.filter}"
libraryResFolderPathRefid="project.library.res.folder.path"
libraryPackagesRefid="project.library.packages"
libraryRFileRefid="project.library.bin.r.file.path"
previousBuildType="${build.last.target}"
buildType="${build.target}"
ignoreAssets="${aapt.ignore.assets}"
manifestpackage="NEW PACKAGE NAME HERE">
<res path="${out.res.absolute.dir}" />
<res path="${resource.absolute.dir}" />
</aapt>
</do-only-if-not-library>
</target>
プロパティmanifestpackageは、パッケージ名を変更します。