[程式] Android Debug Bridge (adb)

• Check & Kill Running Process
  $ adb root
  $ adb remount
  $ adb shell
  $ ps | grep "<part of process name>"
  

  ex.
  $ ps | grep "service"
  USER   PID PPID VSIZE RSS   WCHAN    PC         NAME
  root   123 1    4321  888   c194c4d0 b76d1703 S /system/bin/theservice
  system 987 222  12345 54321 ffffffff 400a4d5b S com.test.security.service
  
  Note.
  USER  - user of process
  PID   - process ID
  PPID  - process parent ID
  VSIZE - virtual size
  RSS   - resident set size
  WCHAN - wait channel in ps
  (address of the kernel function where the process is sleeping (use wchan if you want the kernel function name). Running tasks will display a dash (’-’) in this column.)
  PC    - program counter
  NAME  - process name
  

  $ kill <PID>
  
  REF:
  http://blog.csdn.net/tcpipstack/article/details/8541980
  http://www.devdiv.com/adb_shell_ps_-blog-1682-6510.html
  http://somethingthatilearned2day.com/2006/11/29/wchan-in-ps-l/


• Check Running Services
  $ adb shell dumpsys activity services
     or
     adb shell dumpsys activity services | grep <keyword to search>
  ex.
  $ adb shell dumpsys activity services | grep firmware


• [ E ]
  Use "adb devices" and get respond:
  List of devices attached
  ???????????? no permissions
  [ S ]
  $ adb kill-server
  $ sudo adb start-server
     (The command "adb" wouldn't be found if $PATH isn't set under sudo)
     or
     cd ~/adt-bundle-linux-x86_64-20131030/sdk/platform-tools
     sudo ./adb start-server
  $ adb devices
  
  REF:
  http://www.blogjava.net/brian/articles/316019.html


• [ E ]
  While pushing .apk to device, Error:
  failed to copy '<LOCAL_PACKAGE_NAME>.apk' to '/system/app/<LOCAL_PACKAGE_NAME>.apk': Read-only file system
  [ S ]
  $ adb root
  $ adb remount
  $ adb push <LOCAL_PACKAGE_NAME>.apk /system/app


• [ P ]
  使用 adb push ... 在 terminal 上顯示成功，但實際上 apk 沒有確實更新。
  [ S ]
  $ adb shell stop
  $ adb shell start
  $ adb push ...


• 查看目前有哪些Task，其中各有那些activity
  $ adb shell dumpsys activity activities
  Check "Recent tasks" 部分(依最近的task排序)
  ("Running activities (most recent first)"部分亦可，但依recent activity排序)
  REF:
  http://stackoverflow.com/questions/2442713/view-the-tasks-activity-stack


• Logcat
  $ adb logcat
  or
  $ adb logcat -v time | grep <string to search>
  其中 -v time 為顯示時間 (optional)
  grep ... 為篩選 log 條件 (optional)