1. Create AVD
android create avd --force -n Nexus_9_API_22 -t 1
2. Start AVD
emulator -avd Nexus_9_API_22 -no-audio -no-window &
Other useful android command:
1. List all existing AVDs:
emulator -list-avds
2. List the detail info of all the AVDs:
android list avd
3. Delete an AVD:
android delete avd -n {AVD_NAME}
4. Figure out the ABI name related to a certain SDK level
In command line:
android list target
In Android Studio:
1) Open the AVD manager
2) Edit the AVD
3) In AVD configuration wizard, click ‘Change’ for system image
4) Find the ABI info
Create and launch a headless emulator with command line
原文：http://www.cnblogs.com/johnny987/p/6703120.html