Shared libraries .so files are placed in lib/armeabi in an apk file.
I have read after installation the libs gets extracted to /data/data/application_package/lib
Maybe a device support different CPU_ABIs, so it's better to get nativeRootLibraryDir which contain all sub lib directories:
public static String getNativeLibraryDirectory(Context context) {
int sdk_level = android.os.Build.VERSION.SDK_INT;
if (sdk_level >= Build.VERSION_CODES.GINGERBREAD) {
try {
String secondary = (String) ApplicationInfo.class.getField("nativeLibraryRootDir").get(context.getApplicationInfo());
return secondary;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
else if (sdk_level >= Build.VERSION_CODES.DONUT) {
return context.getApplicationInfo().dataDir + "/lib";
}
return "/data/data/" + context.getPackageName() + "/lib";
}