Here are the steps:
- Open Terminal
- Type touch .bash_profile and press Enter
- Now Type open .bash_profile and again press Enter
- A textEdit file will be opened
- Now type export ANDROID_HOME="Users/Your_User_Name/Library/Android/sdk"
- Then in next line type export PATH="${PATH}:/$ANDROID_HOME/platform-tools:/$ANDROID_HOME/tools:/$ANDROID_HOME/tools/bin"
- Now save this .bash_profile file
- Close the Terminal
To verify if Path is set successfully open terminal again and type adb if adb version and other details are displayed that means path is set properly.