How can I create a OBD 2 Android application like torqe? Are there any software simulators available or I need a car to test application?

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I want to create a OBD 2 android application like Torque. Are there any software simulators available for testing or I need a car with OLM adapter to test the application? I got to know about the github library https://github.com/pires/android-obd-reader/releases/tag/2.0-RC4 , is there any other library/tool available or I can get all possible data from this?

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androidobd-ii
I am wondering if any of the answers were helpful? – Ride Sun

2 Answers

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I did run into a obd II simulator I found in the google app store which I installed on one of my development phones https://play.google.com/store/apps/details?id=com.beastovest.obd.simulator

On a second phone I installed the Car Scanner from the store (free) https://play.google.com/store/apps/details?id=com.ovz.carscanner

The setup is pretty simple. Just pair the device from the simulator to the scanner.

In the simulator I can change engine values and I can see the commands and the changes in the scanner. You can see the rest of the communication as well. The simulator is $5. Very nice for that price. I can also see the complete communication which I need for my app development. I also speed up the understanding of the ELM327 commands. Here is the spec: https://www.elmelectronics.com/wp-content/uploads/2017/01/ELM327DS.pdf

Hope that helps anybody.

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Yes, there is a free software simulator with simple GUI, called OBDSim. It works on Windows, Linux and OSX (among others). There's also a hardware simulator ECUSim 2000, which isn't free and also isn't cheap.

That GitHub repo you linked to is actually an Android application, capable of acquiring OBD data from a car. It is not an OBD library, however it is based on one (by the same developer, pires).

Now to (partially) answer your second question: no, you can't get all the data OBD offers (PIDs on wiki, but there are more manufacturer specific ones) using this library. However you can get all the interesting data that you'll need if you won't be doing something really specific. I don't know if there are other similar libraries but I found this one well written, well documented and well performing.