IDTech Android SDK Guide  1.00.142
API reference for UniMag
Allocate/initialize UniMag objects:

Initialize IDT_Device object by passing context and OnReceiverListener delegate.

// declaring the instance of the UniMagReader;
private IDT_UniMag myUniMagReader = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(myUniMagReader!=null){
myUniMagReader.unregisterListen();
myUniMagReader.release();
myUniMagReader = null;
}
myUniMagReader = new IDT_UniMag(this,getActivity());
myUniMagReader.device_setDeviceType(DEVICE_TYPE.DEVICE_UNIMAG);
myUniMagReader.registerListen();
}