The only way I found to get the exp4j classes to be built and included in the apk...
[debian/openrocket] / android / src / net / sf / openrocket / android / rocket /
drwxr-xr-x   ..
-rw-r--r-- 2389 Component.java
-rw-r--r-- 11021 Configurations.java
-rw-r--r-- 2561 MissingMotorDialogFragment.java
-rw-r--r-- 2465 MissingMotorHelpers.java
-rw-r--r-- 2308 MotorConfigSpinner.java
-rw-r--r-- 8915 OpenRocketLoaderActivity.java
-rw-r--r-- 4085 OpenRocketLoaderFragment.java
-rw-r--r-- 361 OpenRocketLoaderResult.java
-rw-r--r-- 4192 OpenRocketSaverFragment.java
-rw-r--r-- 9902 OpenRocketViewer.java
-rw-r--r-- 6080 Overview.java
-rw-r--r-- 2304 RocketComponentTreeAdapter.java
-rw-r--r-- 1598 WarningDialogFragment.java