[MoMoBangalore] bangalore Digest, Vol 11, Issue 14

Fri May 25 12:04:17 IST 2007

IMO SIM or any javacards are for storing/retrieving data only. J2ME is to be
used for any visual components you want.

Hi
> I am very new to SIM programming. I have not programmed anything yet but
> am
> trying to do a proof of concept app.
> I was reading up on the SIM Application Toolkit (STK) spec and then looked
> at implementations in Java cards.
> I found a Java card implementation of the STK APIs but I am confused
> because
> I still could not understand how I can implement simple things like -
> displaying a form (where users can input data) or reading SMS messages
> from
> SIM cards. The Java card implementation in 2 packages (sim.toolkit and
> sim.access) has APIs that are also difficult to understand.
>
> Can anyone tell me if I am looking at something entirely wrong ? Where
> would
> I find the APIs to do these simple things - more specifically, it would be
> great if you could tell me if a STK application can read/parse a SMS text
> msg in XML format and display the contents in a form.
>
> I wonder, after seeing the Java card implementations of the STK APIs, if
> using a visual programming environment would be better to program SIM
> cards
> than implementing Java cardlets - is that a norm or an exception ?
>
> Regards
> Kallol
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