WidgetService.java

package com.example.mywidget;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;

import com.example.inputsticklibrary.usb.USBDevice;
import com.example.inputsticklibrary.usb.USBDeviceListener;
import com.example.inputsticklibrary.usb.devices.USBKeyboard;

public class WidgetService extends Service implements USBDeviceListener {

  private static final USBKeyboard keyb = new USBKeyboard();
	private static boolean running;

	@Override
	public void onUSBEvent(int code) {
		// TODO Auto-generated method stub
		int state = keyb.getState();
		if (state == USBDevice.STATE_READY) {
			if (!running) {
				running = true;
				Thread t = new Thread() {
					@Override
					public void run() {
						try {
							// wait a bit to be sure its 100% ready
							Thread.sleep(1000);
							// type password
							keyb.type("passwordgoeshere");
							// press enter
							keyb.pressAndRelease(USBKeyboard.NONE,
									USBKeyboard.KEY_ENTER);
							// wait for long enough to allow USB host read all
							// characters
							Thread.sleep(1000);
							keyb.disconnect();
							running = false;
						} catch (Exception e) {
							e.printStackTrace();
						}
					}
				};
				t.start();
			} else {
				this.stopSelf();
			}
		}
		if (state == USBDevice.STATE_NONE) {
			keyb.unregisterListener();
			this.stopSelf();
		}

	}

	@Override
	public void onUSBData(int endpoint, byte[] data) {
		// TODO Auto-generated method stub

	}

	@Override
	public IBinder onBind(Intent arg0) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public int onStartCommand(Intent intent, int flags, int startId) {
		running = false;
		keyb.setContext(this.getApplicationContext());
		keyb.registerListener(this);
		if (keyb.getState() == USBDevice.STATE_NONE) {
			keyb.connect();
		} else {
			this.stopSelf();
		}

		return START_STICKY;
	}

	@Override
	public void onDestroy() {
		Intent i = new Intent(this, MyWidget.class);
		i.setAction(MyWidget.BTN_READY);
		this.sendBroadcast(i);

		super.onDestroy();
	}

}