[FIXED] Android NDK build with ANT script


Can we use the ANT script for Android NDK builds ?
If Yes how?
And if no, then why Not ?

I don’t have any idea about it


Call ndk-build from your -pre-build target, like this:

<target name="-pre-build">
    <exec executable="${ndk.dir}/ndk-build" failonerror="true"/>

<target name="clean" depends="android_rules.clean">
    <exec executable="${ndk.dir}/ndk-build" failonerror="true">
        <arg value="clean"/>

Then you can set ndk.dir to point at the NDK directory from your local.properties file, or set it on the command line. I do this:

ant -Dsdk.dir=/home/dg/apps/android-sdk-linux_x86-r11/ -Dndk.dir=/home/dg/apps/android-ndk-r6b release

Now running ant will build your native code automatically. Plus, running ‘ant clean’ will clean your native code.

Updated: Added failonerror="true" to the <exec> tasks — this causes ant to abort if the make fails. Without it it’ll just go right ahead and generate an APK with an invalid binary in it. Not good!

Answered By – David Given

Answer Checked By – Mary Flores (Easybugfix Volunteer)

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