Beiträge von JuKu

package com.jukusoft.chatter.service;


import android.app.Service;
import android.content.Intent;
import android.os.*;
import android.util.Log;
import android.webkit.CookieManager;


import com.github.nkzawa.emitter.Emitter;
import com.github.nkzawa.socketio.client.IO;
import com.github.nkzawa.socketio.client.Manager;
import com.github.nkzawa.socketio.client.Socket;
import com.jukusoft.chatter.IChatService;
import com.jukusoft.chatter.ISocketListener;
import com.jukusoft.chatter.data.ChatSession;
import com.jukusoft.chatter.profile.ProfileManager;
import com.jukusoft.chatter.service.task.UpdateLoadBalancerListTask;
import com.jukusoft.chatter.service.task.listener.OnUpdateLoadBalancerListTaskFinishedListener;
import com.koushikdutta.async.http.AsyncHttpClient;
import com.koushikdutta.async.http.socketio.Acknowledge;
import com.koushikdutta.async.http.socketio.ConnectCallback;
import com.koushikdutta.async.http.socketio.EventCallback;
import com.koushikdutta.async.http.socketio.JSONCallback;
import com.koushikdutta.async.http.socketio.SocketIOClient;
import com.koushikdutta.async.http.socketio.StringCallback;


import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;


import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;


import io.socket.IOAcknowledge;
import io.socket.IOCallback;
import io.socket.SocketIO;
import io.socket.SocketIOException;


public class ChatService extends Service {


	private ISocketListener socketListener = null;
	private List<String> loadBalancerList = new ArrayList<String>();
	private SOCKET_STATE socketState = SOCKET_STATE.CLOSED;
	private int checkInterval = 1;
	private boolean appActive = false;
	private String loadBalancerUpdateURL = "http://192.168.2.110:8080/loadBalancer.txt";
	private ChatSession chatSession = null;
	private ProfileManager profileManager = null;


	public enum SOCKET_STATE { OPEN, CLOSED };


	private Socket mSocket = null;


	public ChatService() {
    	//http://techtej.blogspot.com.es/2011/03/android-thread-constructspart-4.html


    	//http://www.vogella.com/tutorials/AndroidServices/article.html


    	//NullPointerException by getBaseContext()


    	//this.profileManager = new ProfileManager(getBaseContext());


    	/*if (this.profileManager.isNumberSaved()) {
        	String telephoneNumber = this.profileManager.getOwnNumber();
        	this.chatSession = new ChatSession(telephoneNumber);
    	}*/
	}


	@Override
	public void onCreate() {
    	super.onCreate();


    	//android.os.Debug.waitForDebugger();


    	//http://developer.android.com/guide/components/intents-filters.html


    	Log.v("ChatService", "onCreate()");


    	//create chat session


    	Log.d("ChatService", "create service.");


    	String host = "http://37.228.134.96";
    	int port = 933;//use port number < 1024, 3301


    	//http://programmers.stackexchange.com/questions/262497/architecture-for-a-mobile-android-chat-application


    	IO.Options opts = new IO.Options();
    	//opts.port = 3301;
    	//opts.hostname = "http://37.228.134.96";
    	//opts.timeout = 30;
    	opts.forceNew = true;


    	//https://github.com/benkay/java-socket.io.client


    	try {
        	//ChatService.this.mSocket = IO.socket(host + ":" + port);
        	this.mSocket = IO.socket(host + ":" + port, opts);


        	mSocket.on(Socket.EVENT_CONNECT, new Emitter.Listener() {


            	@Override
            	public void call(Object... args) {
                	Log.d("ChatService", "socket connected.");


                	// emit anything you want here to the server
                	mSocket.emit("login", "");
                	//socket.disconnect();
            	}


            	// this is the emit from the server
        	}).on("someFunction", new Emitter.Listener() {


            	@Override
            	public void call(Object... args) {
                	// this argas[0] can have any type you send from the server
                	JSONArray obj = (JSONArray) args[0];


                	// runOnUiThread is needed if you want to change something in the UI thread
            	}
        	}).on(Socket.EVENT_DISCONNECT, new Emitter.Listener() {


            	@Override
            	public void call(Object... args) {
                	Log.d("ChatService", "socket disconnected.");
            	}


        	}).on(Socket.EVENT_CONNECT_TIMEOUT, new Emitter.Listener() {
            	@Override
            	public void call(Object... args) {
                	Log.v("ChatService", "socket.io connection timeout.");
            	}
        	}).on(Socket.EVENT_CONNECT_ERROR, new Emitter.Listener() {
            	@Override
            	public void call(Object... args) {
                	Log.v("ChatService", "connection error.");
            	}
        	}).on(Socket.EVENT_ERROR, new Emitter.Listener() {
            	@Override
            	public void call(Object... args) {
                	Log.v("ChatService", "socket.io error.");
            	}
        	}).on(Socket.EVENT_RECONNECT, new Emitter.Listener() {
            	@Override
            	public void call(Object... args) {
                	Log.v("ChatService", "try to reconnect.");
            	}
        	}).on(Socket.EVENT_RECONNECTING, new Emitter.Listener() {
            	@Override
            	public void call(Object... args) {
                	Log.v("ChatService", "socket.io reconnecting.");
            	}
        	});


        	mSocket.on(Socket.EVENT_CONNECT_ERROR, new Emitter.Listener() {


            	@Override
            	public void call(Object... args) {
                	Log.d("ChatService", "Connection error.");
                	((Exception)args[0]).printStackTrace();
            	}


        	});


        	mSocket.connect();
        	mSocket.open();


        	//http://java.dzone.com/articles/using-spdy-and-http


        	//https://github.com/koush/AndroidAsync


        	mSocket.emit("event", "event");
    	} catch (URISyntaxException e) {
        	e.printStackTrace();
    	} finally {
        	Log.v("ChatService", "socket.io connection created, connection state: " + mSocket.connected() + ".");
    	}


    	/*SocketIO socket = null;
    	try {
        	socket = new SocketIO("http://37.228.134.96:3001/");
        	socket.connect(new IOCallback() {
            	@Override
            	public void onMessage(JSONObject json, IOAcknowledge ack) {
                	try {
                    	System.out.println("Server said:" + json.toString(2));
                	} catch (JSONException e) {
                    	e.printStackTrace();
                	}
            	}


            	@Override
            	public void onMessage(String data, IOAcknowledge ack) {
                	System.out.println("Server said: " + data);
            	}


            	@Override
            	public void onError(SocketIOException socketIOException) {
                	System.out.println("an Error occured");
                	socketIOException.printStackTrace();
            	}


            	@Override
            	public void onDisconnect() {
                	System.out.println("Connection terminated.");
            	}


            	@Override
            	public void onConnect() {
                	System.out.println("Connection established");
            	}


            	@Override
            	public void on(String event, IOAcknowledge ack, Object... args) {
                	System.out.println("Server triggered event '" + event + "'");
            	}
        	});
    	} catch (MalformedURLException e) {
        	e.printStackTrace();
    	}*/


    	// This line is cached until the connection is establisched.
    	//socket.send("Hello Server!");


    	//https://github.com/netty/netty/tree/master/example/src/main/java/io/netty/example/securechat


    	//https://github.com/TooTallNate/Java-WebSocket


    	Runnable socketRunnable = new Runnable() {
        	@Override
        	public void run() {
            	//https://github.com/mrniko/netty-socketio


            	//https://github.com/Automattic/socket.io-client


            	//https://github.com/nkzawa/socket.io-client.java


            	//http://just-another-blog.net/programming/android-create-ssl-socket-over-ssl-socket-with-client-auth/


            	//http://nkzawa.tumblr.com/post/46850605422/connecting-to-a-socket-io-server-from-android


            	//https://github.com/fatshotty/socket.io-java-client


            	//socket.io-java-client


            	//http://nkzawa.tumblr.com/post/46850605422/connecting-to-a-socket-io-server-from-android


            	Log.v("ChatService", "Open socket.io connection.");


            	String host = "http://37.228.134.96";
            	int port = 3301;
            	String cookie = CookieManager.getInstance().getCookie(host);


            	//http://socket.io/blog/native-socket-io-and-android/#


            	//http://www.htmlxprs.com/post/6/creating-a-realtime-image-sharing-app-with-ionic-and-socketio-tutorial


            	try {
                	ChatService.this.mSocket = IO.socket(host + ":" + port);
                	mSocket.connect();
                	mSocket.emit("event", "event");


                	/*Manager manager = new Manager(new URI("http://" + host + ":" + port));
                	manager.open(new Manager.OpenCallback() {
                    	@Override
                    	public void call(Exception err) {
                        	Log.v("ChatService", "openCallback() " + err.getLocalizedMessage() + ".");
                    	}
                	});


                	manager.socket("socket.io").connect();*/


                	Log.v("ChatService", "connect to " + host + ":" + port + ".");


                	//https://github.com/nkzawa/socket.io-client.java/issues/16


                	//http://nkzawa.github.io/socket.io-client.java/apidocs/


                	//https://github.com/nkzawa/socket.io-client.java


                	//https://github.com/nkzawa/socket.io-android-chat/tree/master/app/src/main/java/com/github/nkzawa/socketio/androidchat


                	/*mSocket.io().reconnectionAttempts(5);
                	mSocket.io().open(new Manager.OpenCallback() {
                    	@Override
                    	public void call(Exception err) {
                        	Log.v("ChatService", "openCallback() " + err.getLocalizedMessage() + ".");
                    	}
                	});*/


                	Log.v("ChatService", "connect to socket.io server " + host + ":" + port + " connected: " + mSocket.connected() + ".");
            	} catch (URISyntaxException e) {
                	Log.v("ChatService", "Socket.IO URISyntaxException.");


                	if (ChatService.this.socketListener != null) {
                    	try {
                        	ChatService.this.socketListener.onConnectionFailed(host, port);
                    	} catch (RemoteException e1) {
                        	e1.printStackTrace();
                    	}
                	}


                	e.printStackTrace();
            	}
        	}
    	};
    	Thread thread = new Thread(socketRunnable);
    	//thread.start();


    	Runnable socketIORunnable = new Runnable() {
        	@Override
        	public void run() {
            	//https://github.com/Gottox/socket.io-java-client
        	}
    	};
    	Thread socketIOThread = new Thread(socketIORunnable);
    	//socketIOThread.start();


    	//https://github.com/benkay/Java-WebSocket


    	//Gottox/socket.io-java-client


    	//stackoverflow.com/questions/27145320/android-how-to-use-gottox-socket-io-java-client-library-with-right-way
	}


	@Override
	public IBinder onBind(Intent intent) {
    	Log.v("ChatService", "onBind()");


    	if (!this.mSocket.connected()) {
        	this.mSocket.connect();


        	if (this.mSocket.connected()) {
            	this.mSocket.emit("onConnected", "");
        	} else {
            	Log.v("ChatService", "Could not open socket io connection.");
        	}
    	}


    	return this.mBinder;
	}


	public void openConnection () {
    	//contact loadbalancer first
	}


	public void onEvent () {
    	//
	}


	private final IChatService.Stub mBinder = new IChatService.Stub() {
    	public int getPid(){
        	return android.os.Process.myPid();
    	}


    	@Override
    	public void registerSocketListener(ISocketListener listener) throws RemoteException {
        	ChatService.this.socketListener = listener;
    	}


    	@Override
    	public void removeSocketListener() throws RemoteException {
        	ChatService.this.socketListener = null;
    	}


    	@Override
    	public List<String> listLoadBalancerServer() throws RemoteException {
        	return ChatService.this.loadBalancerList;
    	}


    	@Override
    	public void setChatSession() throws RemoteException {


    	}


    	@Override
    	public int getSocketState() throws RemoteException {
        	if (ChatService.this.socketState == SOCKET_STATE.OPEN) {
            	return 1;
        	} else {
            	return 0;
        	}
    	}


    	@Override
    	public void setCheckInterval(int interval) throws RemoteException {
        	ChatService.this.checkInterval = interval;
    	}


    	@Override
    	public void setAppActive(boolean appState) throws RemoteException {
        	ChatService.this.appActive = appState;
    	}


    	@Override
    	public void updateLoadBalancerList() throws RemoteException {
        	UpdateLoadBalancerListTask task = new UpdateLoadBalancerListTask(getBaseContext());
        	task.setOnFinishedListener(new OnUpdateLoadBalancerListTaskFinishedListener() {
            	@Override
            	public void onFinished(List<String> list) {
                	ChatService.this.loadBalancerList = list;
            	}
        	});


        	task.execute(ChatService.this.loadBalancerUpdateURL);
    	}


    	@Override
    	public void auth(String telephoneNumber, String password) throws RemoteException {
        	//
    	}
	};
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.jukusoft.chatter" >


	<permissions>


    	<!-- own permission for get message content -->
    	<permission
        	android:name="com.jukusoft.chatter.permission.GET_MESSAGE"
        	android:protectionLevel="signature" />


    	<uses-permission android:name="com.jukusoft.chatter.permission.GET_MESSAGE" />
    	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />


    	<!-- using external storage for imageCache -->
    	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />


    	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>


    	<!-- for get telephone number -->
    	<uses-permission android:name="android.permission.READ_PHONE_STATE" />
    	<uses-permission android:name="android.permission.INTERNET" />
    	<uses-permission android:name="android.permission.GET_ACCOUNTS" />
    	<uses-permission android:name="android.permission.WAKE_LOCK" />
	</permissions>


	<application
    	android:allowBackup="true"
    	android:icon="@drawable/ic_launcher"
    	android:label="@string/app_name"
    	android:theme="@style/AppTheme" >
    	<activity
        	android:name=".MainActivity"
        	android:icon="@drawable/ic_launcher"
        	android:label="@string/app_name" >
        	<intent-filter>
            	<action android:name="android.intent.action.MAIN" />
            	<category android:name="android.intent.category.LAUNCHER" />
        	</intent-filter>
    	</activity>
    	<activity
        	android:name=".profile.FirstStartActivity"
        	android:label="@string/title_activity_first_start"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
    	</activity>


    	<provider
        	android:name=".contentprovider.ChatContentProvider"
        	android:authorities="com.jukusoft.chatter.contentprovider"
        	android:enabled="true"
        	android:exported="false" >
    	</provider>


    	<!-- service in its own process -->
    	<service
        	android:name=".service.ChatService"
        	android:enabled="true"
        	android:exported="true"><!-- android:process=":remote" process :my_process -->
        	<!-- <intent-filter>
            	<action android:name="android.intent.action.MAIN" />


            	<category android:name="android.intent.category.LAUNCHER" />
        	</intent-filter> -->
        	<permissions>
            	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
            	<uses-permission android:name="android.permission.INTERNET" />
        	</permissions>
    	</service>


    	<!-- broadcast receiver which is called on boot -->
    	<receiver
        	android:name=".broadcastreceiver.ChatBootReceiver"
        	android:enabled="true"
        	android:exported="true" >
        	<intent-filter>
            	<action android:name="android.intent.action.BOOT_COMPLETED" >
            	</action>
        	</intent-filter>
    	</receiver>


    	<activity
        	android:name=".ui.ChatLoginActivity"
        	android:label="@string/title_activity_chat_login"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
        	<intent-filter>
            	<action android:name="android.intent.action.MAIN" />
            	<category android:name="android.intent.category.LAUNCHER" />
        	</intent-filter>
    	</activity>
    	<activity
        	android:name=".ui.RegistrationActivity"
        	android:label="@string/title_activity_registration"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
    	</activity>
	</application>


</manifest>

01-24 19:20:33.240	8287-8626/com.jukusoft.chatter V/ChatService﹕ socket.io reconnecting.
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter V/ChatService﹕ connection error.
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter D/ChatService﹕ Connection error.
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ com.github.nkzawa.engineio.client.EngineIOException: xhr poll error
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.Transport.onError(Transport.java:62)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR.access$100(PollingXHR.java:19)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$6$1.run(PollingXHR.java:126)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.thread.EventThread$2.run(EventThread.java:75)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.lang.Thread.run(Thread.java:818)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ Caused by: java.net.SocketException: socket failed: EACCES (Permission denied)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:623)
01-24 19:20:33.244	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.net.PlainSocketImpl.create(PlainSocketImpl.java:198)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.checkOpenAndCreate(Socket.java:687)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.setSoTimeout(Socket.java:541)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.Connection.connect(Connection.java:147)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:276)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:211)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:323)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getHeaderFields(HttpURLConnectionImpl.java:169)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$Request$1.run(PollingXHR.java:202)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ ... 1 more
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ Caused by: android.system.ErrnoException: socket failed: EACCES (Permission denied)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at libcore.io.Posix.socket(Native Method)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:282)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:608)
01-24 19:20:33.245	8287-8628/com.jukusoft.chatter W/System.err﹕ ... 11 more
01-24 19:20:38.250	8287-8629/com.jukusoft.chatter V/ChatService﹕ socket.io reconnecting.
01-24 19:20:38.266	8287-8631/com.jukusoft.chatter V/ChatService﹕ connection error.
01-24 19:20:38.266	8287-8631/com.jukusoft.chatter D/ChatService﹕ Connection error.
01-24 19:20:38.266	8287-8631/com.jukusoft.chatter W/System.err﹕ com.github.nkzawa.engineio.client.EngineIOException: xhr poll error
01-24 19:20:38.266	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.Transport.onError(Transport.java:62)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR.access$100(PollingXHR.java:19)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$6$1.run(PollingXHR.java:126)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.thread.EventThread$2.run(EventThread.java:75)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.lang.Thread.run(Thread.java:818)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ Caused by: java.net.SocketException: socket failed: EACCES (Permission denied)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:623)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.net.PlainSocketImpl.create(PlainSocketImpl.java:198)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.checkOpenAndCreate(Socket.java:687)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.setSoTimeout(Socket.java:541)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.Connection.connect(Connection.java:147)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:276)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:211)
01-24 19:20:38.267	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373)
01-24 19:20:38.268	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:323)
01-24 19:20:38.268	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getHeaderFields(HttpURLConnectionImpl.java:169)
01-24 19:20:38.268	8287-8631/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$Request$1.run(PollingXHR.java:202)
01-24 19:20:38.268	8287-8631/com.jukusoft.chatter W/System.err﹕ ... 1 more
01-24 19:20:38.268	8287-8631/com.jukusoft.chatter W/System.err﹕ Caused by: android.system.ErrnoException: socket failed: EACCES (Permission denied)
01-24 19:20:38.273	8287-8631/com.jukusoft.chatter W/System.err﹕ at libcore.io.Posix.socket(Native Method)
01-24 19:20:38.273	8287-8631/com.jukusoft.chatter W/System.err﹕ at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:282)
01-24 19:20:38.273	8287-8631/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:608)
01-24 19:20:38.273	8287-8631/com.jukusoft.chatter W/System.err﹕ ... 11 more
01-24 19:20:43.280	8287-8632/com.jukusoft.chatter V/ChatService﹕ socket.io reconnecting.
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter V/ChatService﹕ connection error.
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter D/ChatService﹕ Connection error.
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ com.github.nkzawa.engineio.client.EngineIOException: xhr poll error
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.Transport.onError(Transport.java:62)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR.access$100(PollingXHR.java:19)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$6$1.run(PollingXHR.java:126)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.thread.EventThread$2.run(EventThread.java:75)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.lang.Thread.run(Thread.java:818)
01-24 19:20:43.284	8287-8634/com.jukusoft.chatter W/System.err﹕ Caused by: java.net.SocketException: socket failed: EACCES (Permission denied)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:623)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.net.PlainSocketImpl.create(PlainSocketImpl.java:198)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.checkOpenAndCreate(Socket.java:687)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at java.net.Socket.setSoTimeout(Socket.java:541)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.Connection.connect(Connection.java:147)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:276)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:211)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:373)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:323)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.android.okhttp.internal.http.HttpURLConnectionImpl.getHeaderFields(HttpURLConnectionImpl.java:169)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at com.github.nkzawa.engineio.client.transports.PollingXHR$Request$1.run(PollingXHR.java:202)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ ... 1 more
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ Caused by: android.system.ErrnoException: socket failed: EACCES (Permission denied)
01-24 19:20:43.285	8287-8634/com.jukusoft.chatter W/System.err﹕ at libcore.io.Posix.socket(Native Method)
01-24 19:20:43.286	8287-8634/com.jukusoft.chatter W/System.err﹕ at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:282)
01-24 19:20:43.286	8287-8634/com.jukusoft.chatter W/System.err﹕ at libcore.io.IoBridge.socket(IoBridge.java:608)
01-24 19:20:43.286	8287-8634/com.jukusoft.chatter W/System.err﹕ ... 11 more

public void startService (Context ctx) {
    	Intent intent = new Intent(ctx, IChatService.class);
    	//intent.setClass(ctx.getApplicationContext(), IChatService.class);
    	//intent.setAction("com.jukusoft.chatter.serviceConnection");
    	intent.putExtra("buildNumber", "1");
    	//intent.setPackage(IChatService.class.getPackage().getName());
    	//intent = ServiceConnectionManager.createExplicitFromImplicitIntent(ctx.getApplicationContext(), intent);
    	ctx.startService(intent);
	}


	public void bindService (Context ctx) {
    	Intent intent = new Intent(ctx, IChatService.class);
    	intent.putExtra("buildNumber", "1");
    	ctx.bindService(intent, this.mConnection, Context.BIND_AUTO_CREATE);
	}


	public void unbindService (Context ctx) {
    	ctx.unbindService(this.mConnection);
	}

package com.jukusoft.chatter.service;


import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.*;
import android.util.Log;


import com.jukusoft.chatter.IChatService;


import java.util.List;


/**
 * Created by Justin on 10.01.2015.
 */
public class ServiceConnectionManager {


	private IChatService mIChatService = null;


	public ServiceConnectionManager () {
    	//
	}


	public boolean isServiceAvailable () {
    	if (this.mIChatService != null) {
        	return true;
    	} else {
        	return false;
    	}
	}


	public void startService (Context ctx) {
    	Intent intent = new Intent();
    	intent.setClass(ctx.getApplicationContext(), IChatService.class);
    	intent.setAction("com.jukusoft.chatter.serviceConnection");
    	intent.putExtra("buildNumber", "1");
    	intent.setPackage(IChatService.class.getPackage().getName());
    	//intent = ServiceConnectionManager.createExplicitFromImplicitIntent(ctx.getApplicationContext(), intent);
    	ctx.bindService(ServiceConnectionManager.createExplicitFromImplicitIntent(ctx, intent), this.mConnection, Context.BIND_AUTO_CREATE);
	}


	/***
 	* Android L (lollipop, API 21) introduced a new problem when trying to invoke implicit intent,
 	* "java.lang.IllegalArgumentException: Service Intent must be explicit"
 	*
 	* If you are using an implicit intent, and know only 1 target would answer this intent,
 	* This method will help you turn the implicit intent into the explicit form.
 	*
 	* Inspired from SO answer: http://stackoverflow.com/a/26318757/1446466
 	* @param context
 	* @param implicitIntent - The original implicit intent
 	* @return Explicit Intent created from the implicit original intent
 	*/
	public static Intent createExplicitFromImplicitIntent(Context context, Intent implicitIntent) {
    	//http://blog.android-develop.com/2014/10/android-l-api-21-javalangillegalargumen.html
    	// Retrieve all services that can match the given intent
    	PackageManager pm = context.getPackageManager();
    	List<ResolveInfo> resolveInfo = pm.queryIntentServices(implicitIntent, 0);


    	// Make sure only one match was found
    	if (resolveInfo == null || resolveInfo.size() != 1) {
        	return null;
    	}


    	// Get component info and create ComponentName
    	ResolveInfo serviceInfo = resolveInfo.get(0);
    	String packageName = serviceInfo.serviceInfo.packageName;
    	String className = serviceInfo.serviceInfo.name;
    	ComponentName component = new ComponentName(packageName, className);


    	// Create a new intent. Use the old one for extras and such reuse
    	Intent explicitIntent = new Intent(implicitIntent);


    	// Set the component to be explicit
    	explicitIntent.setComponent(component);


    	return explicitIntent;
	}


	public void killService () {
    	if (this.isServiceAvailable()) {
        	try {
            	int pid = this.mIChatService.getPid();
            	android.os.Process.killProcess(pid);


            	Log.d("ServiceConnectionManager", "Service was killed.");
        	} catch (RemoteException e) {
            	e.printStackTrace();
        	}
    	}
	}


	public IChatService getService () {
    	return this.mIChatService;
	}


	private ServiceConnection mConnection = new ServiceConnection() {
    	// Called when the connection with the service is established
    	public void onServiceConnected(ComponentName className, IBinder service) {
        	// Following the example above for an AIDL interface,
        	// this gets an instance of the IRemoteInterface, which we can use to call on the service
        	ServiceConnectionManager.this.mIChatService = IChatService.Stub.asInterface(service);
    	}


    	// Called when the connection with the service disconnects unexpectedly
    	public void onServiceDisconnected(ComponentName className) {
        	Log.e("ServiceConnectionManager", "Service has unexpectedly disconnected");
        	ServiceConnectionManager.this.mIChatService = null;
    	}
	};


}

01-20 14:57:13.127	2458-2458/com.jukusoft.chatter E/AndroidRuntime﹕ FATAL EXCEPTION: main
	Process: com.jukusoft.chatter, PID: 2458
	java.lang.RuntimeException: Unable to start activity ComponentInfo{com.jukusoft.chatter/com.jukusoft.chatter.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.ComponentName android.content.Intent.getComponent()' on a null object reference
        	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
        	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
        	at android.app.ActivityThread.access$800(ActivityThread.java:144)
        	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
        	at android.os.Handler.dispatchMessage(Handler.java:102)
        	at android.os.Looper.loop(Looper.java:135)
        	at android.app.ActivityThread.main(ActivityThread.java:5221)
        	at java.lang.reflect.Method.invoke(Native Method)
        	at java.lang.reflect.Method.invoke(Method.java:372)
        	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
        	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
 	Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.ComponentName android.content.Intent.getComponent()' on a null object reference
        	at android.app.ContextImpl.validateServiceIntent(ContextImpl.java:1672)
        	at android.app.ContextImpl.bindServiceCommon(ContextImpl.java:1773)
        	at android.app.ContextImpl.bindService(ContextImpl.java:1751)
        	at com.jukusoft.chatter.service.ServiceConnectionManager.startService(ServiceConnectionManager.java:42)
        	at com.jukusoft.chatter.MainActivity.onCreate(MainActivity.java:39)
        	at android.app.Activity.performCreate(Activity.java:5933)
        	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
        	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
            at android.app.ActivityThread.access$800(ActivityThread.java:144)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5221)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)

package com.jukusoft.chatter;


import android.app.LoaderManager;
import android.content.Intent;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;


import com.jukusoft.chatter.contentprovider.ChatContentProvider;
import com.jukusoft.chatter.service.ChatService;
import com.jukusoft.chatter.service.ServiceConnectionManager;
import com.jukusoft.chatter.ui.ChatLoginActivity;




public class MainActivity extends ActionBarActivity implements LoaderManager.LoaderCallbacks<Cursor> {


	private SimpleCursorAdapter adapter;
	private ServiceConnectionManager serviceConnectionManager = null;


	@Override
	protected void onCreate(Bundle savedInstanceState) {
    	super.onCreate(savedInstanceState);
    	setContentView(R.layout.activity_main);


    	//bind to service
    	this.serviceConnectionManager = new ServiceConnectionManager();
    	if (!this.serviceConnectionManager.isServiceAvailable()) {
        	//start service
        	this.serviceConnectionManager.startService(this.getBaseContext());
    	}


    	ActionBar actionBar = getSupportActionBar();
    	actionBar.setSubtitle("Online");
    	actionBar.setTitle("Chatter");
    	actionBar.setDisplayHomeAsUpEnabled(true);
    	//actionBar.setBackgroundDrawable(getResources().getDrawable(R.drawable.ic_launcher));


    	adapter = new SimpleCursorAdapter(this,
            	R.layout.list_row,
            	null,
            	new String[]{"name", "count"},
            	new int[]{R.id.text1, R.id.text2},
            	0);
    	adapter.setViewBinder(new SimpleCursorAdapter.ViewBinder() {


        	@Override
        	public boolean setViewValue(View view, Cursor cursor, int columnIndex) {
            	switch (view.getId()) {
                	case R.id.text2:
                    	int count = cursor.getInt(columnIndex);
                    	if (count > 0) {
                        	((TextView) view).setText(String.format("%d new message%s", count, count == 1 ? "" : "s"));
                    	}
                    	return true;
            	}
            	return false;
        	}
    	});


    	//https://github.com/koush/ion


    	ListView listView = (ListView) this.findViewById(R.id.listView);
    	listView.setAdapter(adapter);


    	getLoaderManager().initLoader(0, null, this);


    	//notify that some data was changed
    	adapter.notifyDataSetChanged();


    	//http://www.koushikdutta.com/AndroidAsync


    	Intent intent = new Intent(this, ChatLoginActivity.class);
    	startActivity(intent);
	}


	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
    	// Inflate the menu; this adds items to the action bar if it is present.
    	getMenuInflater().inflate(R.menu.menu_main, menu);


    	return true;
	}


	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
    	// Handle action bar item clicks here. The action bar will
    	// automatically handle clicks on the Home/Up button, so long
    	// as you specify a parent activity in AndroidManifest.xml.
    	int id = item.getItemId();


    	//noinspection SimplifiableIfStatement
    	if (id == R.id.action_settings) {
        	return true;
    	}


    	return super.onOptionsItemSelected(item);
	}


	// Method to start the service
	public void startService(View view) {
    	//http://www.tutorialspoint.com/android/android_services.htm
    	//startService(new Intent(getBaseContext(), ChatService.class));
	}


	// Method to stop the service
	public void stopService(View view) {
    	//stopService(new Intent(getBaseContext(), ChatService.class));
	}


	private Cursor getContacts() {
    	// Run query
    	Uri uri = ContactsContract.Contacts.CONTENT_URI;
    	String[] projection = new String[] { ContactsContract.Contacts._ID,
            	ContactsContract.Contacts.DISPLAY_NAME };
    	String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '"
            	+ ("1") + "'";
    	String[] selectionArgs = null;
    	String sortOrder = ContactsContract.Contacts.DISPLAY_NAME
            	+ " COLLATE LOCALIZED ASC";


    	return managedQuery(uri, projection, selection, selectionArgs,
            	sortOrder);
	}


	@Override
	public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    	return null;
	}


	@Override
	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {


	}


	@Override
	public void onLoaderReset(Loader<Cursor> loader) {


	}
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.jukusoft.chatter" >


	<permissions>


    	<!-- own permission for get message content -->
    	<permission
        	android:name="com.jukusoft.chatter.permission.GET_MESSAGE"
        	android:protectionLevel="signature" />


    	<uses-permission android:name="com.jukusoft.chatter.permission.GET_MESSAGE" />
    	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />


    	<!-- using external storage for imageCache -->
    	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />


    	<!-- for get telephone number -->
    	<uses-permission android:name="android.permission.READ_PHONE_STATE" />
    	<uses-permission android:name="android.permission.INTERNET" />
    	<uses-permission android:name="android.permission.GET_ACCOUNTS" />
    	<uses-permission android:name="android.permission.WAKE_LOCK" />
	</permissions>


	<application
    	android:allowBackup="true"
    	android:icon="@drawable/ic_launcher"
    	android:label="@string/app_name"
    	android:theme="@style/AppTheme" >
    	<activity
        	android:name=".MainActivity"
        	android:icon="@drawable/ic_launcher"
        	android:label="@string/app_name" >
        	<intent-filter>
            	<action android:name="android.intent.action.MAIN" />


            	<category android:name="android.intent.category.LAUNCHER" />
        	</intent-filter>
    	</activity>
    	<activity
        	android:name=".profile.FirstStartActivity"
        	android:label="@string/title_activity_first_start"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
    	</activity>


    	<provider
        	android:name=".contentprovider.ChatContentProvider"
        	android:authorities="com.jukusoft.chatter.contentprovider"
        	android:enabled="true"
        	android:exported="false" >
    	</provider>


    	<!-- service in its own process -->
    	<service
        	android:name=".service.ChatService"
        	android:enabled="true"
        	android:exported="true"
        	android:process=":remote" ><!-- process :my_process -->
        	<!-- <intent-filter>
            	<action android:name="android.intent.action.MAIN" />


            	<category android:name="android.intent.category.LAUNCHER" />
        	</intent-filter> -->
    	</service>


    	<!-- broadcast receiver which is called on boot -->
    	<receiver
        	android:name=".broadcastreceiver.ChatBootReceiver"
        	android:enabled="true"
        	android:exported="true" >
        	<intent-filter>
            	<action android:name="android.intent.action.BOOT_COMPLETED" >
            	</action>
        	</intent-filter>
    	</receiver>


    	<activity
        	android:name=".ui.ChatLoginActivity"
        	android:label="@string/title_activity_chat_login"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
    	</activity>
    	<activity
        	android:name=".ui.RegistrationActivity"
        	android:label="@string/title_activity_registration"
        	android:parentActivityName=".MainActivity" >
        	<meta-data
            	android:name="android.support.PARENT_ACTIVITY"
            	android:value="com.jukusoft.chatter.MainActivity" />
    	</activity>
	</application>


</manifest>

@Override
	protected void onCreate(Bundle savedInstanceState) {
    	super.onCreate(savedInstanceState);
    	setContentView(R.layout.activity_main);


    	//bind to service
    	this.serviceConnectionManager = new ServiceConnectionManager();
    	if (!this.serviceConnectionManager.isServiceAvailable()) {
        	//start service
        	this.serviceConnectionManager.startService(this.getBaseContext());
    	}


    	//...
	}

package com.jukusoft.chatter.service;


import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.*;
import android.util.Log;


import com.jukusoft.chatter.IChatService;


import java.util.List;


/**
 * Created by Justin on 10.01.2015.
 */
public class ServiceConnectionManager {


	private IChatService mIChatService = null;


	public ServiceConnectionManager () {
    	//
	}


	public boolean isServiceAvailable () {
    	if (this.mIChatService != null) {
        	return true;
    	} else {
        	return false;
    	}
	}


	public void startService (Context ctx) {
    	Intent intent = new Intent();
    	intent.setClass(ctx.getApplicationContext(), IChatService.class);
    	intent.setAction("com.jukusoft.chatter.serviceConnection");
    	intent.putExtra("buildNumber", "1");
    	intent.setPackage(IChatService.class.getPackage().getName());
    	intent = ServiceConnectionManager.createExplicitFromImplicitIntent(ctx.getApplicationContext(), intent);
    	ctx.bindService(ServiceConnectionManager.createExplicitFromImplicitIntent(ctx, intent), this.mConnection, Context.BIND_AUTO_CREATE);
	}


	/***
 	* Android L (lollipop, API 21) introduced a new problem when trying to invoke implicit intent,
 	* "java.lang.IllegalArgumentException: Service Intent must be explicit"
 	*
 	* If you are using an implicit intent, and know only 1 target would answer this intent,
 	* This method will help you turn the implicit intent into the explicit form.
 	*
 	* Inspired from SO answer: http://stackoverflow.com/a/26318757/1446466
 	* @param context
 	* @param implicitIntent - The original implicit intent
 	* @return Explicit Intent created from the implicit original intent
 	*/
	public static Intent createExplicitFromImplicitIntent(Context context, Intent implicitIntent) {
    	//http://blog.android-develop.com/2014/10/android-l-api-21-javalangillegalargumen.html
    	// Retrieve all services that can match the given intent
    	PackageManager pm = context.getPackageManager();
    	List<ResolveInfo> resolveInfo = pm.queryIntentServices(implicitIntent, 0);


    	// Make sure only one match was found
    	if (resolveInfo == null || resolveInfo.size() != 1) {
        	return null;
    	}


    	// Get component info and create ComponentName
    	ResolveInfo serviceInfo = resolveInfo.get(0);
    	String packageName = serviceInfo.serviceInfo.packageName;
    	String className = serviceInfo.serviceInfo.name;
    	ComponentName component = new ComponentName(packageName, className);


    	// Create a new intent. Use the old one for extras and such reuse
    	Intent explicitIntent = new Intent(implicitIntent);


    	// Set the component to be explicit
    	explicitIntent.setComponent(component);


    	return explicitIntent;
	}


	public void killService () {
    	if (this.isServiceAvailable()) {
        	try {
            	int pid = this.mIChatService.getPid();
            	android.os.Process.killProcess(pid);


            	Log.d("ServiceConnectionManager", "Service was killed.");
        	} catch (RemoteException e) {
            	e.printStackTrace();
        	}
    	}
	}


	public IChatService getService () {
    	return this.mIChatService;
	}


	private ServiceConnection mConnection = new ServiceConnection() {
    	// Called when the connection with the service is established
    	public void onServiceConnected(ComponentName className, IBinder service) {
        	// Following the example above for an AIDL interface,
        	// this gets an instance of the IRemoteInterface, which we can use to call on the service
        	ServiceConnectionManager.this.mIChatService = IChatService.Stub.asInterface(service);
    	}


    	// Called when the connection with the service disconnects unexpectedly
    	public void onServiceDisconnected(ComponentName className) {
        	Log.e("ServiceConnectionManager", "Service has unexpectedly disconnected");
        	ServiceConnectionManager.this.mIChatService = null;
    	}
	};


}

// IChatService.aidl
package com.jukusoft.chatter;


import com.jukusoft.chatter.ISocketListener;


// Declare any non-default types here with import statements


interface IChatService {


	//enum SOCKET_STATE { OPEN, CLOSED };


	//http://developer.android.com/guide/components/aidl.html#CreateAidl


	int getPid ();
	void registerSocketListener (ISocketListener listener);
	void removeSocketListener ();
	List<String> listLoadBalancerServer ();
	void setChatSession ();
	int getSocketState ();
	void setCheckInterval (int interval);
	void setAppActive (boolean appState);
	void updateLoadBalancerList ();
	void auth (String telephoneNumber, String password);


}

package com.jukusoft.chatter.service;


import android.app.Service;
import android.content.Intent;
import android.os.*;
import android.util.Log;


import com.jukusoft.chatter.IChatService;
import com.jukusoft.chatter.ISocketListener;
import com.jukusoft.chatter.data.ChatSession;
import com.jukusoft.chatter.profile.ProfileManager;
import com.jukusoft.chatter.service.task.UpdateLoadBalancerListTask;
import com.jukusoft.chatter.service.task.listener.OnUpdateLoadBalancerListTaskFinishedListener;


import java.util.ArrayList;
import java.util.List;


public class ChatService extends Service {


	private ISocketListener socketListener = null;
	private List<String> loadBalancerList = new ArrayList<String>();
	private SOCKET_STATE socketState = SOCKET_STATE.CLOSED;
	private int checkInterval = 1;
	private boolean appActive = false;
	private String loadBalancerUpdateURL = "http://192.168.2.110:8080/loadBalancer.txt";
	private ChatSession chatSession = null;
	private ProfileManager profileManager = null;


	public enum SOCKET_STATE { OPEN, CLOSED };


	public ChatService() {
    	//http://techtej.blogspot.com.es/2011/03/android-thread-constructspart-4.html


    	//http://www.vogella.com/tutorials/AndroidServices/article.html


    	Runnable socketRunnable = new Runnable() {
        	@Override
        	public void run() {
            	//open a socket.io connection


            	//...
        	}
    	};
    	Thread thread = new Thread(socketRunnable);
	}


	@Override
	public void onCreate() {
    	super.onCreate();


    	//create chat session


    	Log.d("ChatService", "create service.");
	}


	@Override
	public IBinder onBind(Intent intent) {
    	return this.mBinder;
	}


	//...


	private final IChatService.Stub mBinder = new IChatService.Stub() {
    	public int getPid(){
        	return android.os.Process.myPid();
    	}


    	//...
	};
}

01-13 18:15:31.017	2407-2407/com.jukusoft.chatter E/AndroidRuntime﹕ FATAL EXCEPTION: main
	Process: com.jukusoft.chatter, PID: 2407
	java.lang.RuntimeException: Unable to start activity ComponentInfo{com.jukusoft.chatter/com.jukusoft.chatter.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.resolveTypeIfNeeded(android.content.ContentResolver)' on a null object reference
        	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298)
        	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
        	at android.app.ActivityThread.access$800(ActivityThread.java:144)
        	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
        	at android.os.Handler.dispatchMessage(Handler.java:102)
        	at android.os.Looper.loop(Looper.java:135)
        	at android.app.ActivityThread.main(ActivityThread.java:5221)
        	at java.lang.reflect.Method.invoke(Native Method)
        	at java.lang.reflect.Method.invoke(Method.java:372)
        	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
        	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
 	Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Intent.resolveTypeIfNeeded(android.content.ContentResolver)' on a null object reference
        	at android.app.ApplicationPackageManager.queryIntentServicesAsUser(ApplicationPackageManager.java:644)
        	at android.app.ApplicationPackageManager.queryIntentServices(ApplicationPackageManager.java:656)
        	at com.jukusoft.chatter.service.ServiceConnectionManager.createExplicitFromImplicitIntent(ServiceConnectionManager.java:61)
        	at com.jukusoft.chatter.service.ServiceConnectionManager.startService(ServiceConnectionManager.java:42)
        	at com.jukusoft.chatter.MainActivity.onCreate(MainActivity.java:39)
        	at android.app.Activity.performCreate(Activity.java:5933)
        	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
        	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
            at android.app.ActivityThread.access$800(ActivityThread.java:144)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5221)
            at java.lang.reflect.Method.invoke(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:372)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)