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A robot which automatically interacts with Android app.

DroidBot sends keyevent, gestures and simulates system events
in order to exploit more app states automatically.
droidbot decides which actions to take based on static analysis result of app
and dynamic device information (view hierarchy).

For more details, refer to my blog posts.


DroidBot mainly does following two things:

  1. Setting up device environments, include the contacts, SMS logs,
    call logs, GPS mocking, etc. The target app may have access to these resources, thus we
    prepare them before starting the app.

    Multiple env policies can be used for setting up environments. We support:

    • none policy which does not set up any environment;
    • dummy policy which just mocks same basic environment for all apps;
    • static policy which set up environment according to static information of app,
      for example permissions and files which the app have access to;
    • file policy which read environment configurations from a json file.
  2. Sending events during the app is running. Events includes touch, drag gestures on screen,
    keyevents, and simulated broadcasts, etc.

    Similarly, we have several policies to produce events:

    • none policy which does not send any event;
    • monkey policy which make use of adb monkey tool, to produce randomized events;
    • random policy which sends randomized events to device
    • static policy produces a list of events based on static information of app. Eg.
      the intent-filters of each app.
    • dynamic policy. It is actually the real human-like policy. It monitors the device
      states, including the running activities, the foreground window, and the hierarchy of current
      window and sends events according to these information.
      It avoids going to same state too many times by comparing the window hierarchies, and
      it sends activity-specific intents based on static analysis of app.
    • file policy which generates events from a json file.

Moreover, to evaluate whether our bot exploit more app states, I plan to implement a
Android test coverage tool which does not require repackaging or source code.
(note that Emma can evaluate coverage with source code)
Android's traceviewer is able to record entering and exiting of each method, and we can get a list
of all methods of app via reverse engineering. By comparing traceviewer log and app dex, hopefully
we can get the method coverage of app. The challenge is, traceviewer brings too much overhead, because
it records much information we don't need.


  1. Python version 2.7
  2. Android SDK, make sure that platform_tools and tools added to PATH
  3. androidviewclient, install with sudo easy_install --upgrade androidviewclient,
    or refer to its wiki
  4. (Optional) DroidBox version 4.1.1,
    download from here


Clone this repo and use pip install:

git clone
pip install -e droidbot


  1. Start an emulator (recommended) or connect to a device using adb.
  2. Start droidbot:
    droidbot -h

Usage with DroidBox (without docker)

Step 1. Start droidbox emulator:

1.1 Download DroidBox image

tar xfz DroidBox411RC.tar.gz

1.2 Create an avd named droidbox

You can either use android avd manager or use android create avd command.

1.3 Start the avd with droidbox image

cd DroidBox411RC
sh droidbox

Step 2. Start droidbot:

droidbot -a <sample.apk> -event dynamic -duration 100 -o droidbot_out

Usage with Docker

Prepare the environment on your host by creating a folder to be shared with the DroidBot Docker container. The folder will be used to load samples to be analyzed in DroidBot, and also to store output results from DroidBot analysis.

mkdir -p ~/mobileSamples/out

Now pull the ready-made Docker container (about 1.8 GB after extraction) from Honeynet Project's hub:

docker pull honeynet/droidbot

or, if you prefer, build your own from the GitHub repo:

git clone
docker build -t honeynet/droidbot droidbot

To run the analysis, copy your sample to the folder you created above, then start the container; you will find results in the "out" subfolder.

cp mySample.apk ~/mobileSamples/
docker run -it --rm -v ~/mobileSamples:/samples:ro -v ~/mobileSamples/out:/samples/out honeynet/droidbot /samples/mySample.apk
ls ~/mobileSamples/out


Droidbot is evaluated by comparing with droidbox default mode (which does nothing)
and adb monkey tool. The results are in result.

Or see my visualized evaluation reports at DroidBot Posts.


  1. AndroidViewClient
    is an amazing tool simplifies test script creation providing higher level operations
    and the ability of obtaining the tree of Views present at any given moment on the device
    or emulator screen.
  2. Androguard
    is well-known for reverse-engineering of Android Apks.
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