EmptyClassRoom.java

package cn.scau.scautreasure.ui;

import android.widget.AbsListView;

import org.androidannotations.annotations.AfterViews;
import org.androidannotations.annotations.Background;
import org.androidannotations.annotations.EActivity;
import org.androidannotations.annotations.Extra;
import org.androidannotations.annotations.rest.RestService;
import org.springframework.web.client.HttpStatusCodeException;

import java.util.ArrayList;

import cn.scau.scautreasure.AppContext;
import cn.scau.scautreasure.R;
import cn.scau.scautreasure.adapter.ClassRoomAdapter;
import cn.scau.scautreasure.api.EdusysApi;
import cn.scau.scautreasure.helper.UIHelper;
import cn.scau.scautreasure.util.StringUtil;

import static cn.scau.scautreasure.helper.UIHelper.LISTVIEW_EFFECT_MODE.EXPANDABLE_SWING;

/**
 * User:  Special Leung
 * Date:  13-8-17
 * Time:  下午6:15
 * Mail:  specialcyci@gmail.com
 */

@EActivity( R.layout.emptyclassroom )
public class EmptyClassRoom extends CommonQueryActivity{

    @RestService
    EdusysApi api;
    @Extra("value")
    ArrayList<String> value;

    @AfterViews
    void init(){
        setTitle(R.string.title_emptyclassroom);
        setDataEmptyTips(R.string.tips_emptyclassroom_null);
        cacheHelper.setCacheKey("emptyClassRoom_" + StringUtil.join(value, "_"));
        list = cacheHelper.loadListFromCache();
        buildAndShowListViewAdapter();
    }

    @Background( id = UIHelper.CANCEL_FLAG )
    void loadData(Object... params) {
        beforeLoadData();
        try{
            ArrayList<String> param = value;
            list = api.getEmptyClassRoom(AppContext.userName, app.getEncodeEduSysPassword(), AppContext.server,
                    param.get(0), param.get(1), param.get(2), param.get(3), param.get(4),
                    param.get(5), param.get(6)).getClassRooms();
            cacheHelper.writeListToCache(list);
            buildAndShowListViewAdapter();

        }catch (HttpStatusCodeException e){
            showErrorResult(getSherlockActivity(), e.getStatusCode().value(), this);
        }catch (Exception e){
            handleNoNetWorkError(getSherlockActivity());
        }
        afterLoadData();
    }

    private void buildAndShowListViewAdapter(){
        ClassRoomAdapter cAdapter = new ClassRoomAdapter(getSherlockActivity(), R.layout.emptyclassroom_listitem, list);
        adapter = UIHelper.buildEffectAdapter(cAdapter, (AbsListView) listView,EXPANDABLE_SWING);
        showSuccessResult();
    }

}