Android Open Source - BBC-News-Reader Item Adapter

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License

The source code is released under:

Copyright (c) 2011, 2012, Digital Lizard (Oscar Key, Thomas Boby) All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the...

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Java Source Code

/*******************************************************************************
 * BBC News Reader// ww  w  . j  a  va  2 s .  c  o m
 * Released under the BSD License. See README or LICENSE.
 * Copyright (c) 2011, Digital Lizard (Oscar Key, Thomas Boby)
 * All rights reserved.
 ******************************************************************************/
package com.digitallizard.bbcnewsreader;

import java.util.ArrayList;
import java.util.Arrays;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class ItemAdapter extends ArrayAdapter<Item> {
  private ArrayList<Item> items;
  private int layout;
  private LayoutInflater inflater;
  private int thumbWidth;
  private int thumbHeight;
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    View view = convertView;
    if (view == null) {
      // initialise the view
      view = inflater.inflate(layout, null);
    }
    
    // set the values for this view
    TextView title = (TextView) view.findViewById(R.id.textNewsItemTitle);
    title.setText(items.get(position).getTitle());
    
    // try to load in an thumbnail
    byte[] thumbnailBytes = items.get(position).getThumbnailBytes();
    ImageView imageView = (ImageView) view.findViewById(R.id.imageNewsItem);
    
    // check if any data was returned
    if (Arrays.equals(thumbnailBytes, ReaderActivity.NO_THUMBNAIL_URL_CODE)) {
      // set the image to the loaded but no image thumnail
      imageView.setImageResource(R.drawable.no_thumb);
    }
    else if (thumbnailBytes != null) {
      // try to construct an image out of the bytes given by the database
      Bitmap imageBitmap = BitmapFactory.decodeByteArray(thumbnailBytes, 0, thumbnailBytes.length); // load the image into a bitmap
      imageView.setImageBitmap(imageBitmap);
    }
    else {
      // set the image to the default thumbnail
      imageView.setImageResource(R.drawable.no_thumb_grey);
    }
    
    // set the image size
    ViewGroup.LayoutParams layout = imageView.getLayoutParams();
    layout.width = thumbWidth;
    layout.height = thumbHeight;
    imageView.setLayoutParams(layout);
    
    return view;
  }
  
  
  public void finish() {
    // do nothing
  }
  
  public ItemAdapter(Context context, int layout, ArrayList<Item> items, int thumbWidth, int thumbHeight) {
    super(context, layout, items);
    this.items = items;
    this.layout = layout;
    this.thumbWidth = thumbWidth;
    this.thumbHeight = thumbHeight;
    inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  }
}

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