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The Simple Protocol for Automated Network Control was designed to be a
low-level way to programmability inject KeyEvents and MotionEvents
into the input system. The idea is that a process will run on a host
computer that will support higher-level operations (like conditionals,
etc.) and will talk (via TCP over ADB) to the device in Simple
Protocol for Automated Network Control. For security reasons, the
Monkey only binds to localhost, so you will need to use adb to setup
port forwarding to actually talk to the device.
Setup port forwarding from a local port on your machine to a port on
the device:
$ adb forward tcp:1080 tcp:1080
Start the monkey server
$ adb shell monkey --port 1080
Now you're ready to run commands
Individual commands are separated by newlines. The Monkey will
respond to every command with a line starting with OK for commands
that executed without a problem, or a line starting with ERROR for
commands that had problems being run. For commands that return a
value, that value is returned on the same line as the OK or ERROR
response. The value is everything after (but not include) the colon
on that line. For ERROR values, this could be a message indicating
what happened. A possible example:
key down menu
touch monkey
ERROR: monkey not a number
getvar sdk
OK: donut
getvar foo
ERROR: no such var
The complete list of commands follows:
key [down|up] keycode
This command injects KeyEvent's into the input system. The keycode
parameter refers to the KEYCODE list in the KeyEvent class
The format of that parameter is quite flexible. Using the menu key as
an example, it can be 82 (the integer value of the keycode),
KEYCODE_MENU (the name of the keycode), or just menu (and the Monkey
will add the KEYCODE part). Do note that this last part doesn't work
for things like KEYCODE_1 for obvious reasons.
Note that sending a full button press requires sending both the down
and the up event for that key
touch [down|up|move] x y
This command injects a MotionEvent into the input system that
simulates a user touching the touchscreen (or a pointer event). x and
y specify coordinates on the display (0 0 being the upper left) for
the touch event to happen. Just like key events, touch events at a
single location require both a down and an up. To simulate dragging,
send a "touch down", then a series of "touch move" events (to simulate
the drag), followed by a "touch up" at the final location.
trackball dx dy
This command injects a MotionEvent into the input system that
simulates a user using the trackball. dx and dy indicates the amount
of change in the trackball location (as opposed to exact coordinates
that the touch events use)
flip [open|close]
This simulates the opening or closing the keyboard (like on dream).
This command will wake the device up from sleep and allow user input.
tap x y
The tap command is a shortcut for the touch command. It will
automatically send both the up and the down event.
press keycode
The press command is a shortcut for the key command. The keycode
paramter works just like the key command and will automatically send
both the up and the down event.
type string
This command will simulate a user typing the given string on the
keyboard by generating the proper KeyEvents.
This command lists all the vars that the monkey knows about. They are
returned as a whitespace separated list.
getvar varname
This command returns the value of the given var. listvar can be used
to find out what vars are supported.
Fully quit the monkey and accept no new sessions.
Close the current session and allow a new session to connect
There are some convenience features added to allow running without
needing a host process.
Lines starting with a # character are considered comments. The Monkey
eats them and returns no indication that it did anything (no ERROR and
no OK).
You can put the Monkey to sleep by using the "sleep" command with a
single argument, how many ms to sleep.