How to setup titanium Android native development on Mac

android_titanium.sh

brew install ant
sudo pip install markdown
sudo pip install pycrypto
sudo pip install pyopenssl
sudo pip install pyyaml
sudo pip install Pygments

# install android SDK ver 21
...

# add android-ndk and platform-tools to $PATH
export PATH=/Users/dean/Applications/android/android-ndk-r10e:$PATH
export PATH=$PATH:/Users/dean/Library/Android/sdk/platform-tools/

# set env variables for titanium SDK
export ANDROID_SDK=/Users/dean/Library/Android/sdk
export ANDROID_NDK=/Users/dean/Applications/android/android-ndk-r10e
export ANDROID_PLATFORM=/Users/dean/Library/Android/sdk/platforms/android-22
export GOOGLE_APIS=/Users/dean/Library/Android/sdk/add-ons/addon-google_apis-google-22