How to recompile source files?

Question

How to recompile decompiled Android Application files? To be specific, I downloaded these files from here https://code.google.com/p/ubuntu-countdown-widget/ and made the necessary changes by replacing the images, target date, etc.

How to recompile all of these into an apk once again, without installing Eclipse and pasting the code all over again.

Answer 1

In a command-line, call

$<your SDK root dir>/tools/android update project -p .
ant (you can append 'debug' here)

The apk will be output in ./bin