问题描述:
adb端口占用导致
adb server is out of date.  killing...
ADB server didn't ACK
* failed to start daemon *



解决办法:
1 执行命令netstat -ano | findstr "5037"即
  C:\Users\tom>netstat -ano | findstr "5037"
  找到占用端口的进程PID
2 打开任务管理器,终止对应的进程或者进程树