I like installing things via brew. So I looked into installing it that way.

brew install android-sdk

Now you need to add $ANDROID_HOME to your .bashrc file.

export ANDROID_HOME=/usr/local/opt/android-sdk
export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools

Related External Links:

• Stack Overflow - where-does-home-brew-installs-android-sdk