新浪

package com.nt.iweibo.logic;

import java.io.IOException;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;

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

import weibo4j.Timeline;
import weibo4j.Users;
import weibo4j.model.Emotion;
import weibo4j.model.Paging;
import weibo4j.model.Status;
import weibo4j.model.StatusWapper;
import weibo4j.model.User;
import weibo4j.model.WeiboException;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;

import com.nt.iweibo.app.Preferences;
import com.nt.iweibo.bean.Task;
import com.nt.iweibo.bean.UserInfo;
import com.nt.iweibo.services.UserInfoServices;
import com.nt.iweibo.ui.AccessTokenActivity;
import com.nt.iweibo.ui.IWeiboActivity;
import com.nt.iweibo.utils.NetUtil;

public class MainService extends Service implements Runnable {

	private static Queue<Task> tasks =new LinkedList<Task>();
	//把要更新的activity都放入一个LIST
	private static ArrayList<Activity> appActivities = new ArrayList<Activity>();
	private IWeiboActivity activity;
	private UserInfoServices uServices;
	// 当前系统登录用户
	public static UserInfo nowUser;//在登录的时候已赋值，服务里，后台运行未关闭可引用
	private static Users um;
	private	UserInfo userInfo;

	private static Timeline tm;




	//是否运行线程
	private boolean isRun;
	/**
	 * activity启动一个任务进来
	 * @param t
	 */
	public static void  newTask(Task t){
		tasks.add(t);
	}
	/**
	 * 添加任务到队列中
	 * @param t
	 */

	Handler handler =new Handler(){
		public void handleMessage(android.os.Message msg) {
			switch (msg.what) {
			case Task.WEIBO_LOGIN:// 用户登录
				//更新UI
				activity = (IWeiboActivity) getActivityByName("LoginActivity");
				activity.refresh();
				break;

			case Task.GET_ACCESS_TOKEN:// 获取用户授权信息
				activity = (IWeiboActivity) getActivityByName("AccessTokenActivity");
				activity.refresh(AccessTokenActivity.GET_TOKEN);
				//activity.refresh();
				break;
				// 获取用户头像和用户名称
			case Task.GET_USER_HEAD:
				activity = (IWeiboActivity) getActivityByName("AccessTokenActivity");
				activity.refresh(AccessTokenActivity.GET_HEAD,msg.obj);
				break;
			case Task.WEIBO_FRIEDNS_TIMELINE:


				activity = (IWeiboActivity) getActivityByName("HomeActivity");
				activity.refresh(msg.obj);
				break;
				/**
				 * 获得表情库
				 */
			case Task.WEIBO_EMOTIONS:
			{

				IWeiboActivity activity = (IWeiboActivity) getActivityByName("AtActivity");
				activity.refresh(msg.obj);
				break;
			}
			/**
			 * 显示某一个的详细信息
			 */
			case Task.STATUS_SHOW:
			{
				IWeiboActivity activity = (IWeiboActivity) getActivityByName("WeiboDetailActiivity");
				activity.refresh(msg.obj);
				break;
			}
			// 发表微博
			case Task.NEW_WEIBO:
			{

				IWeiboActivity activity = (IWeiboActivity) getActivityByName("NewWeiboActivity");
				activity.refresh(msg.obj);
				break;

			}
			//得到用户的详细信息
			case Task.TASK_GET_USER_INFO:
				IWeiboActivity activity = (IWeiboActivity) getActivityByName("AtActivity");
				activity.refresh(msg.obj);
				break;

			}
		}
	};

	/**
	 * 根据Activity 的Name 获取Activity实例
	 * @param name
	 * @return
	 */
	private Activity getActivityByName(String name){
		if(!appActivities.isEmpty()){
			for (Activity activity : appActivities) {
				if(null!=activity){
					if(activity.getClass().getName().indexOf(name)>0){
						return activity;
					}
				}
			}
		}

		return null;
	}
	/**
	 * 添加一个Activivy对象
	 * @param activity
	 */
	public static void addActivity(Activity activity){
		if(!appActivities.isEmpty())
		{

			for (Activity at : appActivities)
			{
				if(at.getClass().getName().equals(activity.getClass().getName()))
				{
					appActivities.remove(at);
					break;
				}
			}
		}

		appActivities.add(activity);
	}



	@Override
	public void onCreate() {
		super.onCreate();
		isRun =true;
		Thread thread  =new Thread(this);
		thread.start();
	}

	@Override
	public void run() {
		while (isRun) {
			Task task =null;
			if(!tasks.isEmpty()){
				//检索并删除此队列的头 ,返回的就是移除的对象
				task =tasks.poll();//执行完任务后把该任务从任务队列中移除
				if(null!=task){
					doTask(task);
				}
			}
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}



	}
	/**
	 * 处理任务
	 */
	private void doTask(Task t){

		Message msg =handler.obtainMessage();
		msg.what =t.getTaskId();
		switch (t.getTaskId()) {
		case Task.WEIBO_LOGIN:
			System.out.println("doTask>>>>>> user Login!!");

			nowUser= (UserInfo) t.getTaskParams().get("user");
			um = new Users();
			um.client.setToken(nowUser.getToken());

			msg.obj="登陆成功";

			break;

		case Task.GET_ACCESS_TOKEN:// 获取用户授权信息

			break;

			//获取用户头像和名称
		case Task.GET_USER_HEAD:
			try
			{
				userInfo = (UserInfo) t.getTaskParams().get("user");
				um = new Users();
				um.client.setToken(userInfo.getToken());
				User user = um.showUserById(userInfo.getUserId());
				System.out.println("=============>>>>>"+user);
				Drawable userIcon = NetUtil.getNetImage(user.getProfileImageURL());
				userInfo.setUserName(user.getName());
				userInfo.setUserIcon(userIcon);

				msg.obj = userInfo;
			} catch (Exception e)
			{
				e.printStackTrace();
			}

			break;
		case Task.WEIBO_FRIEDNS_TIMELINE:// 获取用户授权信息
			try {
				long maxId =(Long) t.getTaskParams().get("maxId");

				Paging page = new Paging();

				if(maxId <= 0)
					page.setPage(1);
				else
				{
					page.setMaxId(maxId);
				}

				page.setCount(Preferences.PAGE_SIZE);

				tm = new Timeline();

				tm.client.setToken(nowUser.getToken());


				StatusWapper statusWapper = tm.getFriendsTimeline(0, 0, page);
				List<Status> status=statusWapper.getStatuses();
				msg.obj = status;
			} catch (WeiboException e) {
				e.printStackTrace();
			}

			break;
			//获取表情
		case Task.WEIBO_EMOTIONS:

			tm = new Timeline();
			tm.client.setToken(nowUser.getToken());
			try
			{

				List<Emotion> emotions =  tm.getEmotions("face","cnname");
				msg.obj = emotions;

			} catch (WeiboException e)
			{
				e.printStackTrace();
			}
			break;
			// 获取单条微博信息
		case Task.STATUS_SHOW:
		{
			tm = new Timeline();
			tm.client.setToken(nowUser.getToken());

			long id=(Long) t.getTaskParams().get("status_id");
			String status_id=String.valueOf(id);
			try
			{

				msg.obj=tm.showStatus(status_id);

			} catch (WeiboException e)
			{
				e.printStackTrace();
			}
			break;
		}
		// 发表微博
		case Task.NEW_WEIBO:
		{
			tm = new Timeline();
			tm.client.setToken(nowUser.getToken());
			String status = (String) t.getTaskParams().get("status");
			try
			{

				Status s =tm.UpdateStatus(status);
				System.out.println(s);
				msg.obj = true;
			} 
			catch (WeiboException e)
			{
				e.printStackTrace();
				msg.obj = false;
			}
			break;

		}
		//3.获得用户信息
		case Task.TASK_GET_USER_INFO:
			
			um = new Users();
			um.client.setToken(nowUser.getToken());
			User user=null;
			try {
				 user = um.showUserById(String.valueOf(nowUser.getUserId()));
			} catch (WeiboException e) {
				e.printStackTrace();
			}
			msg.obj = user;
			
		break;
		}
		handler.sendMessage(msg);

	}

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


	/**
	 * 退出系统
	 * @param context
	 */
	public static void appExit(Context context)
	{
		//Finish 所有的Activity
		for (Activity activity : appActivities)
		{
			if(!activity.isFinishing())
				activity.finish();
		}

		// 结束 Service
		Intent service = new Intent("com.nt.iweibo.logic.MainService");
		context.stopService(service);

	}


}

login

<pre name="code" class="java">package com.nt.iweibo.ui;



import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.nt.iweibo.R;
import com.nt.iweibo.adapter.UserInfoAdapter;
import com.nt.iweibo.bean.Task;
import com.nt.iweibo.bean.UserInfo;
import com.nt.iweibo.logic.MainService;
import com.nt.iweibo.services.UserInfoServices;
import com.nt.iweibo.utils.SharedPreferencesUtil;
import com.oauthTest.sns.Sina;
import com.oauthTest.utils.ConfigUtil;

public class LoginActivity extends Activity implements IWeiboActivity{
	private Button btnLogin;
	private UserInfoServices services;
	private List<UserInfo> users;
	private UserInfo nowUser;
	private Button btn_user_selecte;
	private Button btn_add_account;
	private ImageView imge_user_head;
	private TextView txt_login_show_name;
	private ProgressDialog progressDialog;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.login);
		
		
		//启动服务
		Intent intent  =new Intent(this,MainService.class);
		
		startService(intent);
		
		services = new UserInfoServices(this);
	
		// 把自己添加到Activity集合里面
				MainService.addActivity(this);
				
				init();
				nowUser=SharedPreferencesUtil.getLoginUser(this);
				
				if(null != nowUser)
				{
					//System.out.println("nowUser.getToken()===>>>>"+nowUser.getToken());
					txt_login_show_name.setText(nowUser.getUserName());
					nowUser = services.getUserInfoByUserId(nowUser.getUserId());
					imge_user_head.setImageDrawable(nowUser.getUserIcon());
					
					showDialg();
					newTask();
					
				}
		
		
		
		//把自己放进去appActivites集合里面
		MainService.addActivity(this);
	}
	
	

	@Override
	public void init() {
		users = services.findAllUsers();
		
		if(null==users || users.isEmpty())
		{
			Intent intent = new Intent(this, AuthActivity.class);
			startActivity(intent);
			finish();
		}
		initView();
		
	}
	private  void initView(){
		imge_user_head = (ImageView) this.findViewById(R.id.imge_user_head);
		txt_login_show_name = (TextView) this.findViewById(R.id.txt_login_show_name);
		btn_user_selecte = (Button) this.findViewById(R.id.btn_user_selected);
		btn_user_selecte.setOnClickListener(new UserSelectedOnClickListener());
		btnLogin=(Button) findViewById(R.id.btn_login);
	    btn_add_account = (Button) this.findViewById(R.id.btn_add_account);
		btn_add_account.setOnClickListener(new OnClickListener()
		{
			public void onClick(View v)
			{
				ConfigUtil.oauthInter = new Sina();
				Intent intent = new Intent(LoginActivity.this, WebViewActivity.class);
				startActivity(intent);
			}
		});
		btnLogin.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				if(txt_login_show_name.getText()!=null&&""!=txt_login_show_name.getText()){
				///打开进度框
				showDialg();
				
				// 保存登录用户信息
				SharedPreferencesUtil.saveLoginUser(LoginActivity.this,nowUser);
				//发送登录任务给系统
				newTask();
				}else{
					Toast.makeText(LoginActivity.this,R.string.select_user, 0).show();
				}
			}
		});
	
	}
	
	@Override
	public void refresh(Object... params) {
		if(null != progressDialog)
			progressDialog.dismiss();
			jump();
		
	}
	private void jump()
	{
	//跳转
		Intent intent = new Intent(this, MainActivity.class);
		startActivity(intent);
		
		this.finish();
		
	}
	
	
	private void newTask()
	{
		
		Map<String, Object> taskParams = new HashMap<String, Object>();
		taskParams.put("user", nowUser);
		
		Task task = new Task(Task.WEIBO_LOGIN, taskParams);
		
		MainService.newTask(task);
	}
	
	
	private void showDialg()
	{
		
		if(null == progressDialog)
		{
			progressDialog = new ProgressDialog(this);
		}
		progressDialog.setMessage("正在登录...");
		progressDialog.show();
	}
	
	
	final class UserSelectedOnClickListener implements OnClickListener
	{

		public void onClick(View v)
		{
			
			View viewDlg = View.inflate(LoginActivity.this, R.layout.user_selected_dialog, null);
			
			final Dialog dialog = new Dialog(LoginActivity.this, R.style.user_selected_dialog);
			dialog.setContentView(viewDlg);
			
			dialog.show();
			
			
			ListView listView = (ListView) viewDlg.findViewById(R.id.lv_user_list);
			
			UserInfoAdapter adapter = new UserInfoAdapter(LoginActivity.this, users);
			
			listView.setAdapter(adapter);
			
			
			
			listView.setOnItemClickListener(new OnItemClickListener()
			{

				public void onItemClick(AdapterView<?> arg0, View view, int arg2,
						long id)
				{
					
					
					ImageView imagUserHead=(ImageView) view.findViewById(R.id.img_user_head_temp);
					TextView txtUserName=(TextView) view.findViewById(R.id.txt_show_name);
					
					
					imge_user_head.setImageDrawable(imagUserHead.getDrawable());
					txt_login_show_name.setText(txtUserName.getText());
					
					nowUser = services.getUserInfoByUserId(id+"");
					//httpClient.setToken(nowUser.getToken());
					System.out.println("nowUser2===>>>"+nowUser);
					dialog.dismiss();
					
					
				}
			});
			
			
			
		}
		
		
	}
}