Testing multiple Android devices on one machine

Question

I have two different Android devices plugged into the same machine. What I would like to do is to target each device and execute a test on it separately.

Unfortunately,

Answer 1

You can specify the targeted device on the adb command with -s

1) Get the device serialNumber by doing

$ adb devices 
List of devices attached 
emulator-5554  device
emulator-5556  device
emulator-5558  device

2) Pass in the serialNumber into the adb command with -s argument

$ adb -s   

For example

$ adb -s emulator-5556 install helloWorld.apk