ClientController.java

package com.threeH.MyExhibition.service;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Properties;

import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;
import android.telephony.TelephonyManager;

/**
 * 客户端控制器类，用来控制页面的跳转，响应界面按钮事件。该类在整个应用程序中单例
 *
 * @author clhe
 */
public class ClientController implements Serializable {
    /**
     * 客户端上下文，该对象用来缓存客户端业务对象及配置参数
     */
    private ClientContext context;
    /**
     * 控制器单例对象
     */
    private static ClientController controller = null;
    /**
     * 当前Android活动对象(页面Activity)
     */
    private Activity currentActivity;
    /**
     * 服务对象
     */
    private ClientService service;
    /**
     * 手机信息对象
     */
    private TelephonyManager phoneManager;


    private ClientController(Activity act) {
        this.currentActivity = act;
        context = ClientContext.createClientContext();
//		loadClientConfig();
        service = new ClientServiceImplForNet(context);
    }

    public ClientController() {
        context = ClientContext.createClientContext();
//		loadClientConfig();
        service = new ClientServiceImplForNet(context);
    }

    /**
     * 加载配置文件
     */
    private void loadClientConfig() {
        Properties pro = new Properties();
        AssetManager asset = currentActivity.getAssets();
        InputStream is;
        try {
            is = asset.open("config" + File.separator
                    + "client_config.properties");
            pro.load(is);
        } catch (IOException e) {
            e.printStackTrace();
        }
        context.setConfigProperties(pro);
    }

    public ClientContext getContext() {
        return context;
    }

    public Activity getCurrentActivity() {
        return currentActivity;
    }

    public void setCurrentActivity(Activity act) {
        this.currentActivity = act;
    }

    public ClientService getService() {
        return service;
    }

    public void setService(ClientService service) {
        this.service = service;
    }

    /**
     * 得到单例的ClientController对象
     */
    public static synchronized ClientController getController() {
        if (controller == null) {
            controller = new ClientController(null);
        }
        return controller;
    }

    /**
     * 得到（controller相互关联Activity）的对象
     */
    public static synchronized ClientController getController(Activity act) {
        if (controller == null) {
            controller = new ClientController(act);
        } else {
            controller.setCurrentActivity(act);
        }
        return controller;
    }

    /**
     * 获取手机IMEI码
     */
    public String getImei() {
        return phoneManager.getDeviceId();
    }
}