If you're currently (or about to be) stuck in the process of setting up Android Studio, we can help. Need to know which SDK packages to install, or what other things to download from the internet? No problem. Here are some resources to help you get everything you need.
To download code from Android Studio normally, you have to constantly unplug the phone from the robot, plug in to the computer, and vice-versa. It gets annoying after a while, and you may find that the micro USB port on the phone starts to get loose. Check out this video for a tutorial on getting started with the Android Debug Bridge, which can allow you to download the application over wireless.