Android Open Source - android-ribbit-design User Adapter

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Back to project page android-ribbit-design.

License

The source code is released under:

MIT License

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Java Source Code

package com.teamtreehouse.ribbit.adapters;
// www. ja  v a  2 s  . com
import java.util.List;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

import com.parse.ParseUser;
import com.squareup.picasso.Picasso;
import com.teamtreehouse.ribbit.R;
import com.teamtreehouse.ribbit.utils.MD5Util;

public class UserAdapter extends ArrayAdapter<ParseUser> {
  
  protected Context mContext;
  protected List<ParseUser> mUsers;
  
  public UserAdapter(Context context, List<ParseUser> users) {
    super(context, R.layout.message_item, users);
    mContext = context;
    mUsers = users;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    
    if (convertView == null) {
      convertView = LayoutInflater.from(mContext).inflate(R.layout.user_item, null);
      holder = new ViewHolder();
      holder.userImageView = (ImageView)convertView.findViewById(R.id.userImageView);
      holder.nameLabel = (TextView)convertView.findViewById(R.id.nameLabel);
      holder.checkImageView = (ImageView)convertView.findViewById(R.id.checkImageView);
      convertView.setTag(holder);
    }
    else {
      holder = (ViewHolder)convertView.getTag();
    }
    
    ParseUser user = mUsers.get(position);
    String email = user.getEmail().toLowerCase();
    
    if (email.equals("")) {
      holder.userImageView.setImageResource(R.drawable.avatar_empty);
    }
    else {
      String hash = MD5Util.md5Hex(email);
      String gravatarUrl = "http://www.gravatar.com/avatar/" + hash + 
          "?s=204&d=404";
      Picasso.with(mContext)
        .load(gravatarUrl)
        .placeholder(R.drawable.avatar_empty)
        .into(holder.userImageView);
    }
    
    holder.nameLabel.setText(user.getUsername());
    
    GridView gridView = (GridView)parent;
    if (gridView.isItemChecked(position)) {
      holder.checkImageView.setVisibility(View.VISIBLE);
    }
    else {
      holder.checkImageView.setVisibility(View.INVISIBLE);
    }
    
    return convertView;
  }
  
  private static class ViewHolder {
    ImageView userImageView;
    ImageView checkImageView;
    TextView nameLabel;
  }
  
  public void refill(List<ParseUser> users) {
    mUsers.clear();
    mUsers.addAll(users);
    notifyDataSetChanged();
  }
}

Java Source Code List