Android Open Source - android_twitter_client Twitter Array Adapter

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.github.snambi.twitterclient.adapters;
//from  w w w .j  a v a  2s .  c o m
import java.util.List;

import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.github.snambi.twitterclient.R;
import com.github.snambi.twitterclient.fragemets.TwitterListFragment.ImageClickListener;
import com.github.snambi.twitterclient.models.Tweet;
import com.github.snambi.twitterclient.utils.TwitterTimeUtils;
import com.nostra13.universalimageloader.core.ImageLoader;

public class TwitterArrayAdapter extends ArrayAdapter<Tweet>{

  private ImageClickListener imgClickListener=null;
  
//  public TwitterArrayAdapter(Context context, List<Tweet> objects) {
//    super(context, 0, objects);
//    if( context instanceof ImageClickListener){
//      this.imgClickListener = (ImageClickListener) context;
//    }
//  }

  public TwitterArrayAdapter(FragmentActivity activity, List<Tweet> tweets,
      ImageClickListener imageListener) {
    super(activity, 0, tweets);
    imgClickListener = imageListener;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    
    Tweet tweet = getItem(position);
    
    View v=null;
    if( convertView == null ){
      LayoutInflater inflater = LayoutInflater.from(getContext());
      v= inflater.inflate( R.layout.tweet_item, parent, false);
    }else{
      v=convertView;
    }
    
    ViewHolder holder=null;
    if( v.getTag() == null ){
      holder = new ViewHolder();
      holder.imgProfileImage = (ImageView) v.findViewById(R.id.imgItemProfileImage);
      holder.tvScreenName = (TextView) v.findViewById(R.id.tvScreenName);
      holder.tvBody = (TextView) v.findViewById(R.id.tvTweetBody);
      holder.tvCreatedTime = (TextView) v.findViewById(R.id.tvTweetCreatedTime);
    }else{
      holder = (ViewHolder) v.getTag();
    }
    
    holder.imgProfileImage.setImageResource(android.R.color.transparent);
    holder.imgProfileImage.setTag( tweet.getUser().getScreenName() );
    ImageLoader imageLoader = ImageLoader.getInstance();
    imageLoader.displayImage(tweet.getUser().getProfileImageUrl(), holder.imgProfileImage);
    
    holder.tvBody.setText( tweet.getBody());
    holder.tvScreenName.setText( "@"+ tweet.getUser().getScreenName());
    String relativeTime = TwitterTimeUtils.getRelativeTimeAgo( tweet.getCreatedAt());
    holder.tvCreatedTime.setText(relativeTime);
    
    // add a listener for the imageView
    if( imgClickListener != null ){
      holder.imgProfileImage.setOnClickListener( new OnClickListener() {
        @Override
        public void onClick(View v) {
          //Toast.makeText( getContext(), "Image Clicked", Toast.LENGTH_SHORT).show();
          String screenName = (String) v.getTag();
          imgClickListener.onImageClick(screenName);
        }
      });
    }else{
      holder.imgProfileImage.setOnClickListener( new OnClickListener() {
        @Override
        public void onClick(View v) {
          Toast.makeText(getContext(), "image clicked", Toast.LENGTH_SHORT).show();
        }
      });
    }

    return v;
  }
  
  public class ViewHolder{
    ImageView imgProfileImage;
    TextView tvScreenName;
    TextView tvBody;
    TextView tvCreatedTime;
  }
}

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