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Мартин Маринов martintzvetomirov at gmail.comI am pleased to announce I have released an RTL2832U driver for android for the benefit of all of the developers working on SDR. The app could be found here https://play.google.com/store/apps/details?id=marto.rtl_tcp_andro And the sources are released under GPL2+ here https://github.com/martinmarinov/rtl_tcp_andro- So how do you use it in case you want to develop your own Android application that uses rtl_tcp_andro? It's quite simple, you need to add just one line of code to your existing Android app (assuming the user has the driver installed). *startActivityForResult(new Intent(Intent.ACTION_VIEW).setData(Uri.parse("iqsrc://-a 127.0.0.1 -p 123", START_REQ_CODE);* Where START_REQ_CODE is a random number you assign. This will start rtl_tcp_andro on the localhost at port 123. As you see the thing after iqsrc:// is just the command line arguments you pass to a regular rtl_tcp. If you want to be more fancy and do error capture, you should override this method in your Android activity and perform error detection as so: *@Override* * protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) {* * * * runOnUiThread(new Runnable() {* * * * @Override* * public void run() {* * if (requestCode == START_REQ_CODE) {* * if (resultCode == RESULT_OK) { // rtl_tcp_andro has been started successfully!}* * else {* * * * try {* * switch (data.getIntExtra("marto.rtl_tcp_andro.RtlTcpExceptionId", -1)) {* * case 0:* * // exception - permission denied* * break;* * case 1:* * // exception - root required* * break;* * case 2:* * // exception - no devices found* * break;* * case 4:* * // exception - the user needs to reconnect the device* * break;* * default:* * // unknown exception* * break;* * }* * } catch (Exception e) {}* * }* * }* * }* * });* * }* It is that simple! rtl_tcp_andro will take care of showing different dialogs to the user for device selection. It will also take care of non-rooted devices by communicating with rtl_tcp_androi and sending the appropriate file descriptors, etc. You don't need to worry about all of the magic that is happening in the background - you only need to monitor the result of your intent request. If you get *RESULT_OK* then you are ready to go. Now what remains is to implement your own TCP client that connects to the appropriate host/port number and communicates using the *rtl_tcp* protocol. Make sure you send the additional "exit" command that rtl_tcp_andro has in order not to leave zombie services behind. That's all if you have any questions, feel free to contact me! Sorry for the bad state of the source code of rtl_tcp_andro, I will add comments as time passes by. Hope to see great new projects on the Android platform :) Thanks, Martin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20130130/3ec0a501/attachment.htm>