Android Open Source - ChitChat Chats Adapter

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Back to project page ChitChat.

License

The source code is released under:

MIT License

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Java Source Code

package com.shivamb7.chitchat.adapters;
//from   w ww.j  a va2 s .com
import java.util.Date;
import java.util.List;

import android.content.Context;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.parse.ParseObject;
import com.shivamb7.chitchat.R;
import com.shivamb7.chitchat.workers.Constants;

public class ChatsAdapter extends ArrayAdapter<ParseObject> {
  
  Context mContext;
  List<ParseObject> mMessages;
  
  public ChatsAdapter(Context c,List<ParseObject> messages)
  {
    super(c,R.layout.message_list_item,messages);
    mContext = c;
    mMessages = messages;
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    if(convertView == null)
    {
    convertView = LayoutInflater.from(mContext).inflate(R.layout.message_list_item, null);
    holder = new ViewHolder();
    holder.iconImage = (ImageView)convertView.findViewById(R.id.message_type_icon);
    holder.nameLabel = (TextView)convertView.findViewById(R.id.sender_name);
    holder.timeLabel = (TextView)convertView.findViewById(R.id.message_time);
    convertView.setTag(holder); //VERY IMPORTANT LINE !!!
    }
    else
    {
      holder = (ViewHolder)convertView.getTag();
    }
    ParseObject message = mMessages.get(position);
    Date createdDate = message.getCreatedAt();
    long currentTime = new Date().getTime();
    String convertedTime = DateUtils.getRelativeTimeSpanString(createdDate.getTime(), currentTime, DateUtils.SECOND_IN_MILLIS).toString();
    holder.timeLabel.setText(convertedTime);
    if(message.getString(Constants.FILE_TYPE).equals(Constants.TYPE_PICTURE))
    {
      holder.iconImage.setImageResource(R.drawable.ic_action_picture_orange);
    }
    else if(message.getString(Constants.FILE_TYPE).equals(Constants.TYPE_VIDEO))
    {
      holder.iconImage.setImageResource(R.drawable.ic_action_video_orange);
    }
    else
    {
      holder.iconImage.setImageResource(R.drawable.ic_action_chat_orange);
    }
    holder.nameLabel.setText(message.getString(Constants.SENDER_NAME));
    return convertView;
  }
  
  public static class ViewHolder
  {
    ImageView iconImage;
    TextView nameLabel;
    TextView timeLabel;
  }
  
  public void refreshAdapter(List<ParseObject> msgs)
  {
    mMessages.clear();
    mMessages.addAll(msgs);
    notifyDataSetChanged();
  }

}

Java Source Code List