This is the near start of Android development on Ubuntu, and the PC and mobile phone cannot be connected. Record the solution to the problem and view the backup later.
1: lsusb viewing USB Information
Root @ zhaoyi :~ /Java_tools/android-sdk-linux_86/platform-tools # lsusb
Bus 005 device 001: Id 1d6b: 0001 Linux Foundation 1.1 root Hub
Bus 004 device 001: Id 1d6b: 0001 Linux Foundation 1.1 root Hub
Bus 003 device 001: Id 1d6b: 0001 Linux Foundation 1.1 root Hub
Bus 002 device 002: Id 413c: 2003 Dell Computer Corp. keyboard
Bus 002 device 001: Id 1d6b: 0001 Linux Foundation 1.1 root Hub
Bus 001 device 007: Id 0bb4: 0c03 high tech Computer Corp.
Bus 001 device 001: Id 1d6b: 0002 Linux Foundation 2.0 root Hub
Bus 001 device 007: Id 0bb4: 0c03 high tech Computer Corp.
The USB port ID of the mobile phone is obb4.
2: sudo gedit/etc/udev/rules. d/50-android.rules
3: addSubsystem = "USB", attrs {idvendor} ="0bb4", Attrs {idproduct} ="0c03", Mode =" 0666"
4:$ Sudo chmod A + Rx/etc/udev/rules. d/50-android.rules $ sudo service udev restart
5: Unplug the USB and go to the SDK. Go to the platform-tools directory (directory containing ADB)
Execute Sudo-s (important or there will be problems)
Sudo./ADB kill-Server
./ADB Devices
./ADB Root
OK