vscode run flutter project: connect to the night god simulator error adb.exe: unknown command divices solution is as follows:

1. Error message


2. View occupied port
Input command: adb nodaemon server

3. View process according to port number
Input command: netstat -ano | findstr "5037"

C:\Users\lenovo\AppData\Local\Android\Sdk\platform-tools>netstat -ano | findstr "5037"
  TCP    127.0.0.1:5037         0.0.0.0:0              LISTENING       14424
  TCP    127.0.0.1:5037         127.0.0.1:56369        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56384        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56386        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56387        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56388        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56389        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56390        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56391        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56493        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:56631        ESTABLISHED     14424
  TCP    127.0.0.1:5037         127.0.0.1:57251        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57252        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57254        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57255        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57256        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57257        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57272        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57273        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57275        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57276        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57277        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57278        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57279        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57280        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57281        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57282        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57285        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57286        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57287        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57288        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57290        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57291        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57295        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57296        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57297        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57298        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57301        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57302        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57303        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57304        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57305        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57306        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57308        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57309        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57310        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57311        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57313        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57314        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57315        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57316        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57325        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57326        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57329        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57330        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57332        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57333        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57334        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57335        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57336        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57337        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57338        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57339        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57340        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57341        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57343        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57344        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57346        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57347        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57349        TIME_WAIT       0
  TCP    127.0.0.1:5037         127.0.0.1:57350        TIME_WAIT       0
  TCP    127.0.0.1:56369        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56384        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56386        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56387        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56388        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56389        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56390        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56391        127.0.0.1:5037         ESTABLISHED     288
  TCP    127.0.0.1:56493        127.0.0.1:5037         ESTABLISHED     1664
  TCP    127.0.0.1:56631        127.0.0.1:5037         ESTABLISHED     288

4. Terminate the occupied process
Input command: tasklist | findstr "14424"

Input command: taskkill /f /pid 14424

5. Connect again. The


problem has been resolved.

Reference article: https://blog.csdn.net/qq_35605213/article/details/107378785