MessageActivity.java

package com.andbase.im.activity;

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

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;

import com.ab.activity.AbActivity;
import com.ab.db.storage.AbSqliteStorage;
import com.ab.db.storage.AbSqliteStorageListener.AbDataSelectListener;
import com.ab.db.storage.AbStorageQuery;
import com.ab.util.AbToastUtil;
import com.ab.view.pullview.AbPullToRefreshView;
import com.ab.view.pullview.AbPullToRefreshView.OnFooterLoadListener;
import com.ab.view.pullview.AbPullToRefreshView.OnHeaderRefreshListener;
import com.ab.view.titlebar.AbTitleBar;
import com.andbase.R;
import com.andbase.global.MyApplication;
import com.andbase.im.adapter.MessageListAdapter;
import com.andbase.im.dao.IMMsgDao;
import com.andbase.im.model.IMMessage;
/**
 * 消息列表界面
 *
 */
public class MessageActivity extends AbActivity implements OnHeaderRefreshListener,OnFooterLoadListener{
	
    private MyApplication application;
    private List<IMMessage> list = null;
    private AbPullToRefreshView mAbPullToRefreshView = null;
	private ListView mListView = null;
    private MessageListAdapter myListViewAdapter = null;
    //每一页显示的行数
    public int pageSize = 10;
    //当前页数
    public int pageNum = 1;
    
    //数据库操作类
    private AbSqliteStorage mAbSqliteStorage = null;
    private IMMsgDao mIMMsgDao = null;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setAbContentView(R.layout.im_message_list);
        
        AbTitleBar mAbTitleBar = this.getTitleBar();
        mAbTitleBar.setTitleText(R.string.message_name);
        mAbTitleBar.setLogo(R.drawable.button_selector_back);
        mAbTitleBar.setTitleBarBackground(R.drawable.top_bg);
        mAbTitleBar.setTitleTextMargin(10, 0, 0, 0);
        mAbTitleBar.setLogoLine(R.drawable.line);
        
        application = (MyApplication) getApplication();
        
        //初始化AbSqliteStorage
        mAbSqliteStorage = AbSqliteStorage.getInstance(this);
        //数据业务类
        mIMMsgDao = new IMMsgDao(this);
        
        //获取ListView对象
        mAbPullToRefreshView = (AbPullToRefreshView)this.findViewById(R.id.mPullRefreshView);
        mListView = (ListView)this.findViewById(R.id.mListView);
        
        //打开关闭下拉刷新加载更多功能
        mAbPullToRefreshView.setOnHeaderRefreshListener(this);
        mAbPullToRefreshView.setOnFooterLoadListener(this);
        
        //设置进度条的样式
        mAbPullToRefreshView.getHeaderView().setHeaderProgressBarDrawable(this.getResources().getDrawable(R.drawable.progress_circular));
        mAbPullToRefreshView.getFooterView().setFooterProgressBarDrawable(this.getResources().getDrawable(R.drawable.progress_circular));
        //mAbPullListView.getHeaderView().setHeaderProgressBarDrawable(this.getResources().getDrawable(R.drawable.progress_circular2));
        //mAbPullListView.getFooterView().setFooterProgressBarDrawable(this.getResources().getDrawable(R.drawable.progress_circular2));
        
        //ListView数据
        list = new ArrayList<IMMessage>();
       
        //使用自定义的Adapter
        myListViewAdapter = new MessageListAdapter(this,list);
        mListView.setAdapter(myListViewAdapter);
        //item被点击事件
        mListView.setOnItemClickListener(new OnItemClickListener(){
           @Override
           public void onItemClick(AdapterView<?> parent, View view,
                   int position, long id) {
           }
        });
        
    }

    @Override
    protected void onResume(){
        //第一次下载数据
        list.clear();
        queryData(0);
        
        super.onResume();
    }
    
    @Override
    public void onHeaderRefresh(AbPullToRefreshView view) {
    	pageNum = 1;
        list.clear();
        queryData(0);
    }
    
    @Override
    public void onFooterLoad(AbPullToRefreshView view) {
    	pageNum ++;
        queryData(1);
    }
    

    public void queryData(final int query){
        //查询数据
        AbStorageQuery mAbStorageQuery = new AbStorageQuery();
        mAbStorageQuery.equals("message_type", IMMessage.SYS_MSG);
        mAbStorageQuery.setLimit(pageSize);
        mAbStorageQuery.setOffset((pageNum-1)*pageSize);
        
        //无sql存储的查询
        mAbSqliteStorage.findData(mAbStorageQuery, mIMMsgDao, new AbDataSelectListener(){

            @Override
            public void onFailure(int errorCode, String errorMessage) {
                AbToastUtil.showToast(MessageActivity.this,errorMessage);
            }

            @Override
            public void onSuccess(List<?> paramList) {
                if(query==0){
                    if(paramList!=null && paramList.size()>0){
                        list.addAll((List<IMMessage> )paramList);
                        myListViewAdapter.notifyDataSetChanged();
                    }
                    mAbPullToRefreshView.onHeaderRefreshFinish();
                }else{
                    if(paramList!=null){
                        list.addAll((List<IMMessage>)paramList);
                        myListViewAdapter.notifyDataSetChanged();
                    }
                    mAbPullToRefreshView.onFooterLoadFinish();
                }
                
            }
            
        });
        
    }
    
}