Answer by Pankaj Nimgade for Finding Android SDK on Mac and adding to PATH

1. How do I find Android SDK on my machine? Or prove to myself it's not there?

When you install Android studio, it allows you to choose if you want to download SDK or not

2. If it's not there how do I install it?

you can get SDK from here http://developer.android.com/sdk/index.html

3. How do I change PATH to include Android SDK?

in Android Studio click in File >> Settings