DownloadImagesTask.java

package com.ved.musicmapapp.utils;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.widget.ImageView;
import android.widget.RelativeLayout;

public class DownloadImagesTask extends AsyncTask<ImageView, Void, Bitmap> {
	RelativeLayout layout = null;
	ImageView imageView = null;
    String artistName = "";
    Context context;

    public DownloadImagesTask(String artistName, Context context) {
		super();
		this.artistName = artistName;
		this.context = context;
	}

	@Override
    protected Bitmap doInBackground(ImageView... imageViews) { 
        this.imageView = imageViews[0];
        String urlPath = (String)imageView.getTag();  
        //Log.v("urlpath...", "..." + urlPath);
        Bitmap artistbitmap = download_Image(urlPath);
		if(artistbitmap != null){
			UtilTask.addBitmapToMemoryCache(urlPath, artistbitmap);
		}
        
        return artistbitmap;
        
    }

    @Override
    protected void onPostExecute(Bitmap result) {
    	try{
	    	android.view.Display display = ((android.view.WindowManager)context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
	    	int size = (int) (display.getWidth() * 0.95f);
	    	result = Bitmap.createScaledBitmap(result, size, size, true);
	        imageView.setImageBitmap(result);
    	}catch(Exception e){
    		//Log.e("DownloadException", "..." + e.getMessage() + "..." + imageView.getTag());
    	}
    }

    private Bitmap download_Image(String url) {
    	
    	BitmapFactory.Options opts=new BitmapFactory.Options();
        opts.inDither=false;                    
        opts.inSampleSize = 8;                   
        opts.inPurgeable=true;                 
        opts.inInputShareable=true;             
        opts.inTempStorage=new byte[16 * 1024]; 
        
        
        Bitmap bmp =null;
        try{
            URL ulrn = new URL(url);
            HttpURLConnection con = (HttpURLConnection)ulrn.openConnection();
            InputStream is = con.getInputStream();
            bmp = BitmapFactory.decodeStream(is);
            if (null != bmp)
                return bmp;

            }catch(Exception e){}
        return bmp;
    }


}