Android Open Source - EasyFeeds Main Screen Adapter

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Back to project page EasyFeeds.

License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.manustudios.adapters;
/*  ww w . j a  v  a  2  s . co m*/
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;


import com.manustudios.easyfeeds.MainActivity;
import com.manustudios.easyfeeds.R;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Transformation;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;
import android.os.AsyncTask;
import android.support.v4.util.LruCache;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import android.view.InflateException;
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 MainScreenAdapter extends ArrayAdapter<SparseArray<String>>{

  private LruCache<String, Bitmap> mMemoryCacheBitmap;
  private Context mContext;
  private int layout;
  public MainScreenAdapter(Context context, int resource, ArrayList<SparseArray<String>> objects, ViewGroup container) {
    super(context, resource, objects);
    mContext = context;
    layout = resource;
    final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
     // Use 1/4th of the available memory for this memory cache.
     final int cacheSize = maxMemory / 4;
     mMemoryCacheBitmap = new LruCache<String, Bitmap>(cacheSize) {
       @Override
       protected int sizeOf(String key, Bitmap bitmap) {
         // The cache size will be measured in kilobytes rather than
         // number of items.
         return bitmap.getByteCount() / 1024;
       }
     };
    // Log.i("mainScreenAdapter", "chk 02");
  }

  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    //Log.i("mainScreenAdapter", "chk 03");
    if(convertView == null){
      LayoutInflater vi = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      try {
        convertView = (View) vi.inflate(layout, null);
      } catch (InflateException e) {
        Log.e("Inflate Expection" , "the list doesnt want to inflate");
      }
      
    }
    
    SparseArray<String> mainScreenContent = getItem(position);
    
    //LAYOUT RESOURCES
    TextView title = (TextView) convertView.findViewById(R.id.title_mainScreen);
    TextView content = (TextView) convertView.findViewById(R.id.content_mainScreen);
    TextView date = (TextView) convertView.findViewById(R.id.date_mainScreen);
    ImageView icon = (ImageView) convertView.findViewById(R.id.image_mainScreen);
    
    //SETTING TEXTS
    title.setText(mainScreenContent.get(MainActivity.KEY_TITLE));
    content.setText(mainScreenContent.get(MainActivity.KEY_CONTENT));
    date.setText(mainScreenContent.get(MainActivity.KEY_DATE));
    
    //PIECE OF CODE FOR DISTRIBUTING 4 LINES AT MAIN_SCREEN_LIT LAYOUT GIVING PRIORITY TO TITLE
      
    title.setEllipsize(TextUtils.TruncateAt.END);
    content.setEllipsize(TextUtils.TruncateAt.END);
    
    
    //content.setMaxLines(2);
    
    //KEYS AND BITMAP
    //TODO CHECK IMAGE RATIO AND IF EXCEEDS 2:1 OR 3:2 THEN DONT LOAD THE IMAGE
    String imageUrl = mainScreenContent.get(MainActivity.KEY_IMAGE);
    if(!imageUrl.equals("")){
      //Picasso.with(mContext).load(imageUrl).resize(200, 200).transform(new CropSquareTransformation()).centerCrop().into(icon);
      Picasso.with(mContext).load(imageUrl).transform(new CropSquareTransformation()).resize(160, 160).centerCrop().into(icon);
    }
    
        
    return convertView;
  }
  
  
  
  private class CropSquareTransformation implements Transformation {
    @Override public Bitmap transform(Bitmap source) {
      int size = Math.min(source.getWidth(), source.getHeight());
      int x = (source.getWidth() - size) / 2;
      int y = (source.getHeight() - size) / 2;
      Bitmap result = Bitmap.createBitmap(source, x, y, size, size);
      if (result != source) {
        source.recycle();
      }
      result = getRoundedCornerBitmap(result);
      return result;
    }

    @Override public String key() { return "square()"; }
  }
  
  
    
  
  //------------------------------------------------------------------

  public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
        bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = bitmap.getWidth()/10;

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
  }
  

  
}

Java Source Code List

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