private String msrGetTrackData(int trackIndex) {
int ret = MsrInterface.getTrackError(trackIndex);
if (ret < 0) {
Log.i(TAG, "msr track" + trackIndex + " error is = " + ret);
return null;
}
byte[] byteArry = new byte[255];
int result =
MsrInterface.getTrackData(
trackIndex, byteArry, MsrInterface.getTrackDataLength(trackIndex));
if (result > 0) {
return new String(byteArry, 0, result);
} else {
return null;
}
}
