So with my nexus 5 im easily able to do something like this to connect adb over wifi:
adb tcpip 5555
adb connect 192.xxx.x.xx
and then disconne
Prerequisites
Android device and computer should be connected in same network. (If you don't have any network than you can create your own by enabling Wifi hotspot available in your device)
Step 1:
Connect Android device with USB cable to computer
Step 2: Use following command in terminal to make sure adb is running in USB mode.
$adb usb
restarting in USB mode Connect to the device over USB.
Step 3:
Execute following command in terminal to make sure adb identify/list gets connected with the device.
$adb devices
Step 4: Change adb mode from USB to tcpip using following command.
$adb tcpip 5555
restarting in TCP mode port: 5555
Step 5: Now, adb is running over TCP/IP mode, Let’s find IP address of Android device.
Go to Settings in Android device -> About -> Status -> IP address. note down the IP address of connected Android Device.
Step 6: Use following command to connect ADB with IP address
$adb connect #.#.#.#
connected to #.#.#.#:5555
Step 7: Now adb is working over Wi-fi, You can remove USB cable from Android device.
Step 8: To confirm adb is working over Wi-fi and your device is still connect. you can use following command
$adb devices
#.#.#.#:5555 device
You’re now ready to go!, Enjoy ADB over Wi-fi.
Use following command to change ADB mode to USB
$adb usb