Monday, December 3, 2012

[android-developers] Re: Sending commands to the SIM Application Toolkit (SAT)

Hi,

An alternative to getting direct access to the SAT would be to find out how the phone formats the message before sending it out to the network. For this I figured I would need a SIM reader of some sort but this would take ages to procure. My question is whether it is possible in android to code something (broadcast receiver?) that would intercept the command from the SIM card and read the contents of this message/command.

Background to this problem: I want to create a school management app where parents will be able to pay for their children's fees without having to memorize account numbers. This is to improve the UX and eliminate the manual error prone process of exiting the app and starting the mobile money STK application.

Any insights will be highly appreciated.

Thanks,
EK.

On Saturday, October 20, 2012 6:56:06 AM UTC+3, Elijah wrote:
Hi,

I've been trying to find a way to access the SAT from an app I'm building but nothing has been forthcoming. Now this question has been asked on stack overflow before, the answer being that its not possible to access another app that hasn't exposed an explicit API. I think that since the SIM card is kinda part of the phone hardware, it should be possible to send commands to relevant portions of the SAT. Almost all 'dumb' phones can 'see' it meaning that its based on a set of very primitive commands. I believe that surely there must be a hack for this.

Anyone with any info on this, please chip in.

Rgds,
EK.

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