Download SDK
http://developer.android.com/sdk/index.html
2. unzip and move to Applications\android-sdk-mac_86-2.2
3, open export Path setting, open the USR\(Your name)\.bash_profile
4. update .bash_profileexport ANDROID_SDK=/Applications/android-sdk-mac_86-2.2 export PATH=$PATH:$ANDROID_SDK:$ANDROID_SDK/tools/