Creating output directories if needed... Generating R.java / Manifest.java from the resources... Compiling aidl files into Java classes... You have to place scala-compiler.jar and scala-library.jar to tools/ You have to place scala-compiler.jar and scala-library.jar to tools/ ProGuard is required to build! Copy proguard.jar to tools/ -injars ${out-classes}:${external-libs-folder}:tools/scala-library.jar(!META-INF/MANIFEST.MF,!library.properties) -outjars ${out-folder}/classes.min.jar -libraryjars ${android-jar} -dontwarn scala.** -dontobfuscate -printusage ${out-folder}/proguard.usage -keep public class * extends android.app.Activity -keep public class * extends android.app.Service -keep public interface scala.ScalaObject -dontskipnonpubliclibraryclasses -dontskipnonpubliclibraryclassmembers -allowaccessmodification Converting compiled files and external libraries into ${out-folder}/${dex-file}... Packaging resources Running zip align on final apk... Debug Package: ${out-debug-package} No key.store and key.alias properties found in build.properties. Please sign ${out-unsigned-package} manually and run zipalign from the Android SDK tools. Signing final apk... Running zip align on final apk... Release Package: ${out-release-package} Installing ${out-debug-package} onto default emulator... Unable to run 'ant unintall', application-package is not defined in build.properties Uninstalling ${application-package} from the default emulator... Android Ant Build. Available targets: help: Displays this help. debug: Builds the application and sign it with a debug key. release: Builds the application. The generated apk file must be signed before it is published. install: Installs/reinstall the debug package onto a running emulator or device. If the application was previously installed, the signatures must match. uninstall: uninstall the application from a running emulator or device.