How to make an voice command program to android using python?

I have a school project and I have this idea for my android phone.

But I don't really know if it can be done and I don't know how I could do it.

Does someone know if it can be done? If not can you write a programme for a开发者_如何学Gondroid using python? What is the easiest way?

The easiest way is using AppInventor from Google. It makes the programing of apps for Android a kids game.