Android Open Source - JiangHomeStyle_Android_Phone Story Viewpager Adapter

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License

The source code is released under:

Apache License

Java Source Code

package com.cidesign.jianghomestylephone.adapter;
/*w ww.j  av a2s.c  om*/
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import com.cidesign.jianghomestylephone.DetailActivity;
import com.cidesign.jianghomestylephone.R;
import com.cidesign.jianghomestylephone.entity.ArticleEntity;
import com.cidesign.jianghomestylephone.tools.LoadingImageTools;
import com.cidesign.jianghomestylephone.tools.StorageUtils;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

public class StoryViewpagerAdapter extends PagerAdapter
{
  private static final String TAG = LandscapeViewpagerAdapter.class.getSimpleName();

  private HashMap<Integer, Bitmap> bitHashMap = new HashMap<Integer, Bitmap>();

  private List<ArticleEntity> list = new ArrayList<ArticleEntity>();

  private int screenWidth;

  private Activity activity;

  public void setScreenWidth(int screenWidth)
  {
    this.screenWidth = screenWidth;
  }

  public void setActivity(Activity activity)
  {
    this.activity = activity;
  }

  public List<ArticleEntity> getList()
  {
    return list;
  }

  @Override
  public int getCount()
  {
    return list.size();
  }

  @Override
  public boolean isViewFromObject(View view, Object object)
  {
    return view == object;
  }

  @Override
  public void destroyItem(View collection, int position, Object o)
  {
    Log.d(TAG, "destory the resources...");

    Bitmap bitmap = bitHashMap.get(position);
    if (bitmap != null && !bitmap.isRecycled())
    {
      Log.d(TAG, "recycle the bitmap...");
      bitmap.recycle();
      bitmap = null;
    }
    View view = (View) o;
    ((ViewPager) collection).removeView(view);
    view = null;
  }

  @Override
  public Object instantiateItem(View context, int position)
  {

    LayoutInflater inflater = LayoutInflater.from(activity.getApplicationContext());
    ArticleEntity aEntity = null;

    Bitmap bitMap = null;

    View view = inflater.inflate(R.layout.story_template, null);

    try
    {
      aEntity = list.get(position);
      ImageView storyBgImg = (ImageView) activity.findViewById(R.id.storyBgImg);
      if (position == 0 && aEntity.getMax_bg_img() != null && !aEntity.getMax_bg_img().equals(""))
      {
        bitMap = LoadingImageTools.getImageBitmap(StorageUtils.FILE_ROOT + aEntity.getServerID() + "/"
            + aEntity.getMax_bg_img());
      }
      else
      {
        bitMap = LoadingImageTools.loadingNative(activity.getApplicationContext(), "bg5.jpg");
      }
      if (bitMap != null)
      {
        storyBgImg.setImageBitmap(bitMap);
      }

      ImageView img = (ImageView) view.findViewById(R.id.storyFirstImg);
      bitMap = LoadingImageTools.getImageBitmap(StorageUtils.FILE_ROOT + aEntity.getServerID() + "/"
          + aEntity.getProfile_path());
      if (bitMap != null)
      {
        img.setImageBitmap(bitMap);
        bitHashMap.put(position, bitMap);
      }
      
      TextView tv1 = (TextView) view.findViewById(R.id.storyFirstTitle);
      tv1.setText(aEntity.getTitle());
      RelativeLayout storyLayout1 = (RelativeLayout) view.findViewById(R.id.storyLayout1);
      RelativeLayout.LayoutParams bigImageViewLayout = LayoutCaculateAdapter.getRelativeLayout(screenWidth, 1);
      storyLayout1.setLayoutParams(bigImageViewLayout);
      storyLayout1.setTag(aEntity);
      storyLayout1.setVisibility(View.VISIBLE);
      storyLayout1.setOnClickListener(new ClickPop());
      img.setLayoutParams(bigImageViewLayout);
      ((ViewPager) context).addView(view);

    }
    catch (Exception e)
    {
      e.printStackTrace();
    }

    return view;
  }

  class ClickPop implements View.OnClickListener
  {
    @Override
    public void onClick(View v)
    {
      ArticleEntity aEntity = (ArticleEntity) v.getTag();
      String url = "file://" + StorageUtils.FILE_ROOT + aEntity.getServerID() + "/doc/main.phone.html";
      Intent intent = new Intent(activity, DetailActivity.class);
      intent.putExtra("url", url);
      intent.putExtra("title", aEntity.getTitle());
      activity.startActivity(intent);
    }
  }
}

Java Source Code List

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