W/ZebraRfidPlugin(12041): cancelling listener
W/ZebraRfidPlugin(12041): adding listener
D/RFIDAPI3(12041): SDK Version:2.0.1.29
D/RFIDHandler(12041): CreateInstanceTask
D/RFIDAPI3(12041): loadPairedDevices RFD850020309520148618
D/RFIDAPI3(12041): Rfid Service not available..
W/System.err(12041): android.content.pm.PackageManager$NameNotFoundException: ComponentInfo{com.zebra.rfid.rfidmanager/com.zebra.rfid.rfidmanager.RFIDService}
W/System.err(12041): at android.app.ApplicationPackageManager.getServiceInfo(ApplicationPackageManager.java:490)
W/System.err(12041): at com.zebra.rfid.api3.Readers.b(SourceFile:34)
W/System.err(12041): at com.zebra.rfid.api3.Readers.GetAvailableRFIDReaderList(SourceFile:6)
W/System.err(12041): at com.hone.zebra_rfid.RFIDHandler$2.doInBackground(RFIDHandler.java:114)
W/System.err(12041): at com.hone.zebra_rfid.RFIDHandler$2.doInBackground(RFIDHandler.java:107)
W/System.err(12041): at android.os.AsyncTask$3.call(AsyncTask.java:378)
W/System.err(12041): at java.util.concurrent.FutureTask.run(FutureTask.java:266)
W/System.err(12041): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)
W/System.err(12041): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
W/System.err(12041): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
W/System.err(12041): at java.lang.Thread.run(Thread.java:919)
D/RFIDHandler(12041): InvalidUsageException
Read Button click after;