Basic steps for playing .sdp file in android?

Basic steps for playing .sdp file in android?

I am using this code to play sdp file but i am not able to play it so i
need basic steps to play sdp in android for playing live tv chinals
public class ChatWindowActivity extends Activity {
boolean optionstates=false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
VideoView vdoview=(VideoView) findViewById(R.id.vid1);
MediaController mdcController1=new MediaController(this);
mdcController1.setAnchorView(vdoview);
Uri video=Uri.parse("rtsp://121.244.145.226.554/prf1/cid_61_sdp");
vdoview.setMediaController(mdcController1);
vdoview.setVideoURI(video);
vdoview.start();
}
}