adb devices没有设备

查看USB设备

$lsusb 

Bus 001 Device 005: ID 1f3a:1002 Onda (unverified) 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 003: ID 0e0f:0002 VMware, Inc. Virtual USB Hub
Bus 002 Device 002: ID 0e0f:0003 VMware, Inc. Virtual Mouse

Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

$sudo gedit ~/.android/adb_usb.ini,编辑该文件,加入0x1f3a
若加入多台设备，换行输入id即可，例如：
#for MEIZU
0x1f3a

$sudo service udev restart

重新启动adb server
sudo adb kill-server
sudo adb start-server
adb devices