问题
I use ADB over WiFi to connect to an Android device. When I type
adb connect <device ip>
I get error
empty hostname
回答1:
For me, simply restarting adb solved the problem
adb kill-server
adb start-server
回答2:
You need to change net.hostname property on your device. The easiest way is to use the setprop command via a root shell on the device.
setprop net.hostname TypeAnyHostName
If this is not working for you, see other solutions here. This is a temporal solution, the problem repeats again some time later.
来源：https://stackoverflow.com/questions/31042991/android-adb-connect-empty-host-name