/Users/admin/Library/Android/sdk
export PATH=${PATH}:/Users/admin/Library/Android/sdk/tools:/Users/admin/Library/Android/sdk/platform-tools
export PATH=${PATH}:/Users/admin/Library/Android/sdk/tools:/Users/admin/Library/Android/sdk/platform-tools
原文：http://www.cnblogs.com/xinanheishao/p/5521827.html