Android Open Source - JiangHomeStyle_Android_Phone Async Init Community Data

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License

The source code is released under:

Apache License

Java Source Code

package com.cidesign.jianghomestylephone.async;
/* w ww .  java  2  s . c o  m*/
import java.util.HashMap;
import java.util.List;

import android.app.Activity;
import android.os.AsyncTask;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;

import com.cidesign.jianghomestylephone.R;
import com.cidesign.jianghomestylephone.adapter.CommunityViewpagerAdapter;
import com.cidesign.jianghomestylephone.db.DatabaseHelper;
import com.cidesign.jianghomestylephone.entity.ArticleEntity;
import com.cidesign.jianghomestylephone.tools.CategoryDataLoadingLogic;
import com.cidesign.jianghomestylephone.tools.LoadingDataFromDB;
import com.cidesign.jianghomestylephone.tools.WidgetCache;


public class AsyncInitCommunityData extends AsyncTask<String, Void, List<ArticleEntity>>
{
  private Activity activity;
  private LoadingDataFromDB loadingDataFromDB = null;
  private DatabaseHelper dbHelper;

  private HashMap<Integer, View> widgetCache;

  private ViewPager communityViewPager;
  private CommunityViewpagerAdapter communityViewpagerAdapter;
  private int screenWidth;
  
  public AsyncInitCommunityData(Activity activity, DatabaseHelper dbHelper,int screenWidth)
  {
    this.activity = activity;
    this.dbHelper = dbHelper;
    this.screenWidth = screenWidth;
  }
  
  @Override
  protected void onPreExecute()
  {
    loadingDataFromDB = new LoadingDataFromDB();
    widgetCache = WidgetCache.getInstance().getViewCache();
    communityViewPager = (ViewPager)widgetCache.get(R.id.communityViewPager);
  }
  
  @Override
  protected List<ArticleEntity> doInBackground(String... params)
  {
    return loadingDataFromDB.loadCommunityArticle(dbHelper.getArticleListDataDao());
  }
  
  @Override
  protected void onPostExecute(List<ArticleEntity> list)
  {
    if (list != null && list.size() > 0)
    {
      communityViewpagerAdapter = new CommunityViewpagerAdapter();
      communityViewpagerAdapter.setActivity(activity);
      communityViewpagerAdapter.setScreenWidth(screenWidth);
      communityViewpagerAdapter.getList().addAll(list);
      communityViewPager.setAdapter(communityViewpagerAdapter);
    }
  }
}

Java Source Code List

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