When i try to compile a very simple code it shows the following message:













-set-mode-check:

-set-debug-files:

-check-env:
Android SDK Tools Revision 22.0.5
Installed at /home/carlos/android-sdk-linux

-setup:
     [echo] Project Name: sketch_130821b
Project Type: Application

-set-debug-mode:

-debug-obfuscation-check:

-pre-build:

-build-setup:
Using latest Build Tools: 18.0.1
     [echo] Resolving Build Target for sketch_130821b...

BUILD FAILED
/home/carlos/android-sdk-linux/tools/ant/build.xml:543: Unable to resolve project target 'android-10'

Total time: 0 seconds