When I follow the Hello world example
./build.py --package org.hello --name "Hello" --version 1.0 --dir ../../../hello debug installd
build failed, error message:
-build-setup:
[echo] Resolving Build Target for Hello-1.0...
BUILD FAILED
/home/huhoo/android-tools/adt-bundle-linux-x86_64/sdk/tools/ant/build.xml:541: Unable to resolve project target 'android-12'