MagTek USB READER FOR ANDROID - Manual (Page 11)

7
SECTION 2. CODE EXAMPLES
Open Device:
@Override
public synchronized void onResume() {
super .onResume();
if (! MagTeklibQwickey .isDeviceConnected()) {
MagTeklibQwickey .openDevice();
}
}
Close Device:
@Override
public void onStop() {
super .onStop();
if ( MagTeklibQwickey .isDeviceConnected()) {
MagTeklibQwickey .closeDevice();
}
}