Creating output directories if needed... Generating R.java / Manifest.java from the resources... Compiling aidl files into Java classes... Converting compiled files and external libraries into ${out-folder}/${dex-file}... Packaging resources All generated packages need to be signed with jarsigner before they are published. Also run zipalign -f -v 4 ZXingTest.apk ZXingTest-aligned.apk after signing Installing ${out-debug-package} onto default emulator... 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 the debug package onto a running emulator or device. This can only be used if the application has not yet been installed. reinstall: Installs the debug package on a running emulator or device that already has the application. The signatures must match. uninstall: uninstall the application from a running emulator or device.