空指针异常

q5661889 2015-06-13 11:34:44

login类

package com.example.HeartinHeart;



import java.io.BufferedInputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.net.Socket;

import java.util.ArrayList;







import tools.FriendEntity;

import tools.User;



import manager.ClientConService;

import manager.Transit;







import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;



public class Login extends Activity{

	

	EditText usernameedit,userpasswordedit;

	TextView username,userpassword;

	Button login;

	Socket socket;

	private Context context;

	public static ArrayList<String> friend;

	ObjectOutputStream out;

	ObjectInputStream in;

public void onCreate(Bundle savedInstanceState){

	  super.onCreate(savedInstanceState);  

	    context=getApplicationContext();

	setContentView(R.layout.loginmain);

	usernameedit=(EditText)findViewById(R.id.loginnameedit);

	userpasswordedit=(EditText)findViewById(R.id.loginpasswordedit);

	username=(TextView)findViewById(R.id.logingname);

	userpassword=(TextView)findViewById(R.id.loginpassword);

	login=(Button)findViewById(R.id.loginmain);

	

	login.setOnClickListener(new Button.OnClickListener() {

		

		@Override

		public void onClick(View v) {

			// TODO Auto-generated method stub

 				new Thread() {	

					public void run() {

				try {

					socket = new Socket("10.254.14.5",20000);	

					 if(socket!=null)System.out.println("555");

					 out= new ObjectOutputStream(socket.getOutputStream());

					

					 Information msg=new Information();

					 msg.setusername(usernameedit.getText().toString().trim());

					 msg.setUserpassword(userpasswordedit.getText().toString().trim());

					 msg.setrequest("login");

					 out.writeObject(msg);

					 out.flush();

					 in= new ObjectInputStream(new BufferedInputStream(

				socket.getInputStream()));

					 

						System.out.println("//");



					msg=((Information)in.readObject());

					

						String type=msg.getType();

						System.out.println(type);



						if(type.equals("success"))

							

						{		

							String account=msg.getAccount();

					 friend=msg.getFriend();		

						

System.out.println("999");

							User.account=account;

							User.friend=friend;

							

							for(int i=0;i<User.getFriend().size();i++)	

							{

								System.out.println(User.friend.get(i));

							}

						ClientConService client=new ClientConService(Login.this, socket);

					     Intent startIntent = new Intent(Login.this, ClientConService.class);  

				            startService(startIntent);  

						

						Transit.AddItem( account, client);

							/* 新建一个Intent对象 */

			   				Intent intent = new Intent();

			   				/* 指定intent要启动的类 */

			   				intent.setClass(Login.this, MainActivity.class);

			   				/* 启动一个新的Activity */

			   				startActivity(intent);

			   				/* 关闭当前的Activity */

			   				Login.this.finish();

			   				System.out.println("888");

		

						}

					

				}

						catch (IOException e) {

							// TODO Auto-generated catch block

							e.printStackTrace();

						} catch (ClassNotFoundException e) {

							// TODO Auto-generated catch block

							e.printStackTrace();

						}

					

  		}}.start();}});

       

		}

	}

ClientConService类

package manager;



import java.io.IOException;

import java.io.ObjectInputStream;



import java.net.Socket;



import android.app.Service;

import android.content.Context;

import android.content.Intent;

import android.os.IBinder;

import android.util.Log;



import com.example.HeartinHeart.Information;



public  class ClientConService extends Service{

	Socket socket;

	Context context;

	ObjectInputStream in;

	Intent intent;

	String TAG="hehe";

	Intent intent1;

	public ClientConService(Context context,Socket socket){

		this.socket=socket;

		this.context=context;

	}

	public ClientConService(){

		

	}

	public Socket getSocket() 

	{return socket;}

	

	 @Override  

	    public void onCreate() {  

	        super.onCreate();  

	        Log.d(TAG, "onCreate() executed");  

			

	    }  

   

	 

	 @Override 

	    //当调用者使用startService()方法启动Service时，该方法被调用  

	    public void onStart(Intent intent, int startId)  

	    {  

	        Log.i(TAG, "Service onStart--->");  

	        super.onStart(intent, startId);  

	    	new Thread(new Runnable() {

				

				public void run(){

					try {

						  Information msgreceive=new Information();

						  in= new ObjectInputStream(socket.getInputStream());

						  while(true){

							  msgreceive=(Information)in.readObject();

							  String type=msgreceive.getType();

							  System.out.println(type);

							  if(type.equals("message")){

									 String m=msgreceive.getInformation();

										System.out.println(m);

									 intent1=new Intent("friend_message");

									intent1.putExtra("message", m);

									context.sendBroadcast(intent1);

							  }

							  else

							  { 

								  intent1=new Intent("add_friend_state");

							  

											intent1.putExtra("state", type);

											context.sendBroadcast(intent1);						

							  }

							}}

				catch (IOException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				} catch (ClassNotFoundException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

				}}).start();

	        

	    }  

	 

	 

	 

	 

	    @Override  

	    public void onDestroy() {  

	        super.onDestroy();  

	        Log.d(TAG, "onDestroy() executed");  

	    }  

	  

	    @Override  

	    public IBinder onBind(Intent intent) {  

	        return null;  

	    }  

	  

	

	

	

}