An embedded ruby web application for remote Android device management

Michael LeonePanoptic Development, Inc18 August 2010

Why Android?

Open platform

Easy to develop and distribute software

Features SL4A, which provides environment to runRuby

Python

Perl

and many more!

What is Broadcast?

A sinatra app that runs on the android platform, exposing the Android API over a web interface.

Project Goals

Remote monitoring: Make Android state and device data available over a network

Remote control: Allow remote control of an Android device over a network.

Proof-of-concept: Demonstrate that complex ruby applications can run on Android

Get the ball rolling: Set the groundwork for a number of advanced ruby applications.

Ideas for Potential Applications

Remote surveillance systems

Remote device diagnostic utilities

Location tracking systems

Temporary network file servers

Current Features

view battery temperature

view charging state

view last location

remote camera control and image preview

remote text-to-speech

file browsing, downloading and uploading

Planned Features

remote video recording

remote audio recording

remote audio transcriptions

DEMO TIME!

Live demo running on a Motorola Droid

Cateats:Not entirely stable, not production-ready!

Not feature complete

It's alpha software running on alpha software

Camera functionality temporarily broken!

IANAD

Under the Hood

jruby

SL4A, Scripting Layer for Android

Lightweight, pure ruby server stack: sinatra + rack + webrick

rack-test and test/unit

jquery Javascript framework

jquery-file-tree for file browsing

JSON for serializing AJAX request data

Problems with Carriers

Runs fine on a local network or P2P network

Can connect from the outside internet via SSH tunneling, DMZ, port-forwarding, etc.

3G is a problemVerizon blocks all incoming ports

T-Mobile blocks all incoming ports

Sprint?

AT&T?

Questions about SL4A?

http://code.google.com/p/android-scripting/

Updated often

Has a sweet mailing list

Google has Damon Kohler working on this full-time

Other info

http://github.com/mleone/broadcast

http://panopticdev.com

Questions?

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