I want to manually compile an Android project, but I have no idea how to use Ant

I am having trouble getting one of my Android projects under Eclipse to run correctly in the emulator, so I am seeing if manually compiling it will work. I have gone through the steps of performing android update project, but I am now at a loss with using Ant, especially since it seems that half of what Ant does is done with certain build scripts located in the Android SDK directory. How do I exclude files/directories and include libraries using Ant?

Also, what's a good resource that I could use as a tutorial 开发者_如何学编程for Ant?

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• Official Documentation
• Ant Android
• This blogs post on ant builds on android
• Linux magazine article
• moar blogs