Comment #1 From jcpalmer@kenai.com 2008-11-25 21:38:39 -------

Forgot to explicitly state that added it is the files/folders inside jars of
the external libraries are added into the build, not a jar within a jar. The
Mobility Pack just adds the files/folders. Not sure a jar within a jar would
even work.

As a workaround to #1, you can right click on Libraries, Add Jar or Add Library and the add this to your build.xml (overriding the project:

Note that this doesn't properly escape spaces in path names, I'm not sure how to do dynamic <arg/> elements in an ant build file.

<target depends="init,compile,-pre-pre-jar,-pre-jar" name="-dex">
<pathconvert pathsep=" " property="javac.classpath.with.spaces">
<path path="${javac.classpath}"/>
</pathconvert>
<exec executable="${dx}" failonerror="true">
<arg value="--dex"/>
<arg value="--output=${basedir}/${intermediate.dex}"/>
<arg value="--positions=lines"/>
<arg file="${build.classes.dir}"/>
<arg line="${javac.classpath.with.spaces}"/>
</exec>
</target>

test

The other thing that would be really nice to have, is a way to have resources inside a library, but I'm not sure the SDK supports that yet. The aapt -x switch get's you part way there, and you can references resources from your library in your project's java code, but the aapt -I switch doesn't seem to actually include the library's references in the final projects references.

This does not seem to work, i added it to my build.xml and it did something, the apk file changed in size, (about 2 kb when the external jar is 14 kb), and i get "could not find class" message when calling the code.

I found this:

http://stackoverflow.com/questions/2057804/how-can-i-use-an-external-jar-in-an-android-project-in-netbeans

but this does not work for me, so i looked a little bit in my projects...

add to build.xml:

<project>
<!-- your other entries -->
<target name="-pre-jar">
<copy todir="${build.classes.dir}">
<!--<fileset dir="${external.libs.dir}" />-->
<zipfileset src="<path to your libs>"/>
</copy>
</target>
</project>

It doesn't work with native libraries as well (.so files).

For example, on compile it should automatically add the folder /lib/armeabi/libHello.so to the .apk, but at the moment it doesn't.

What I haven't yet figured out though, is how to properly modify the ANT script to check for a /libs/armeabi directory and add all .so files to /lib/armeabi/*.

I tried the following so far (in the build.xml):

<target name="-pre-jar">
<copy file="${external.libs.dir}/armeabi/libhello-jni.so" tofile="${build.classes.dir}/lib/armeabi/libhello-jni.so" overwrite="true" />
</target>

That compiles fine, but get the following error at run-time:

Failure [INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES]

Any ideas?

Found a solution for the native libraries - need to modify the build.xml:

<target name="-post-jar">
<zip update="true" destfile="${dist.apk}">
<zipfileset dir="${external.libs.dir}/armeabi" includes="*.so" prefix="lib/armeabi"/>
</zip>
<zip destfile="tmp.apk">
<zipfileset src="${dist.apk}">
<exclude name="META-INF/." />
</zipfileset>
</zip>
<move file="tmp.apk" tofile="${dist.apk}" />
<signjar jar="${dist.apk}" alias="key alias" storepass="password" keypass="password" keystore="/path/to/your/key.keystore"/>
</target>

Probably now obsolete.