Android Multiple Download file in ListView and Show Progress unit percentage

package com.myapp;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;


public class MainActivity extends Activity  {
    
    private ListView lstView;
    private ImageAdapter imageAdapter;
    private Handler handler = new Handler();;
    
	public static final int DIALOG_DOWNLOAD_THUMBNAIL_PROGRESS = 0;
    private ProgressDialog mProgressDialog;
    
    ArrayList<HashMap<String, Object>> MyArrList = new ArrayList<HashMap<String, Object>>();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);        
        
        setContentView(R.layout.activity_main);

        new LoadContentFromServer().execute();
    }
    
    
    public void ShowThumbnailData()
    {
        // ListView and imageAdapter
    	lstView = (ListView) findViewById(R.id.listView1);
    	lstView.setClipToPadding(false);
        imageAdapter = new ImageAdapter(getApplicationContext()); 
        lstView.setAdapter(imageAdapter);
    }
    
    
	public void startDownload(final int position) {		
		
		Runnable runnable = new Runnable() {
			int Status = 0;
			
			public void run() {
				
				String urlDownload = MyArrList.get(position).get("ImagePathFull").toString();
				int count = 0;
			    try {
			    	
				    URL url = new URL(urlDownload);
				    URLConnection conexion = url.openConnection();
				    conexion.connect();
				
				    int lenghtOfFile = conexion.getContentLength();
				    Log.d("ANDRO_ASYNC", "Lenght of file: " + lenghtOfFile);
				
				    InputStream input = new BufferedInputStream(url.openStream());
				    
				    // Get File Name from URL
				    String fileName = urlDownload.substring(urlDownload.lastIndexOf('/')+1, urlDownload.length() );
				
				    OutputStream output = new FileOutputStream("/mnt/sdcard/mydata/"+fileName);
				    
				    byte data[] = new byte[1024];
				    long total = 0;
				
				        while ((count = input.read(data)) != -1) {
				            total += count;
				            Status = (int)((total*100)/lenghtOfFile);
				            output.write(data, 0, count);
				            
				            // Update ProgressBar
							handler.post(new Runnable() {
								public void run() {
									updateStatus(position,Status);	
								}
							});
							
				        }
				
				        output.flush();
				        output.close();
				        input.close(); 
				        
				    } catch (Exception e) {}
			    
				
			}
		};
		new Thread(runnable).start();
	}

	private void updateStatus(int index,int Status){
		
	    View v = lstView.getChildAt(index - lstView.getFirstVisiblePosition());
	    
	    // Update ProgressBar
		ProgressBar progress = (ProgressBar)v.findViewById(R.id.progressBar);
		progress.setProgress(Status);
		
		// Update Text to ColStatus
		TextView txtStatus = (TextView)v.findViewById(R.id.ColStatus);
		txtStatus.setPadding(10, 0, 0, 0);
		txtStatus.setText("Load : " + String.valueOf(Status)+"%");
		
		// Enabled Button View
		if(Status >= 100)
		{
			Button btnView = (Button)v.findViewById(R.id.btnView);
			btnView.setTextColor(Color.RED);
			btnView.setEnabled(true);
		}
	}

	
    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
        case DIALOG_DOWNLOAD_THUMBNAIL_PROGRESS:
            mProgressDialog = new ProgressDialog(this);
            mProgressDialog.setMessage("Downloading Thumbnail.....");
            mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            mProgressDialog.setCancelable(true);
            mProgressDialog.show();
            return mProgressDialog;
        default:
            return null;
        }
    }
    
    class LoadContentFromServer extends AsyncTask<Object, Integer, Object> {
        
        protected void onPreExecute() {
        	super.onPreExecute();
        	showDialog(DIALOG_DOWNLOAD_THUMBNAIL_PROGRESS);
        }
        
        @Override
        protected Object doInBackground(Object... params) {

        	HashMap<String, Object> map;
        	Bitmap bm;
        	
        	map = new HashMap<String, Object>();
        	map.put("ImageID", "1");
        	map.put("ImageName", "Image 1");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img1_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img1_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img1_full.jpg");
        	MyArrList.add(map);        	
        	
           	map = new HashMap<String, Object>();
        	map.put("ImageID", "2");
        	map.put("ImageName", "Image 2");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img2_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img2_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img2_full.jpg");
        	MyArrList.add(map);
        	
           	map = new HashMap<String, Object>();
        	map.put("ImageID", "3");
        	map.put("ImageName", "Image 3");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img3_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img3_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img3_full.jpg");
        	MyArrList.add(map);
  
           	map = new HashMap<String, Object>();
        	map.put("ImageID", "4");
        	map.put("ImageName", "Image 4");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img4_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img4_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img4_full.jpg");
        	MyArrList.add(map);
        	
           	map = new HashMap<String, Object>();
        	map.put("ImageID", "5");
        	map.put("ImageName", "Image 5");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img5_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img5_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img5_full.jpg");
        	MyArrList.add(map);
        	
           	map = new HashMap<String, Object>();
        	map.put("ImageID", "6");
        	map.put("ImageName", "Image 6");
        	map.put("ImagePathThum", "https://www.thaicreate.com/android/img6_thum.jpg");
        	bm = loadBitmap("https://www.thaicreate.com/android/img6_thum.jpg");
        	map.put("ImageThumBitmap", bm);
        	map.put("ImagePathFull", "https://www.thaicreate.com/android/img6_full.jpg");
        	MyArrList.add(map);
        	
            return null;
        }

        
        @Override
        protected void onPostExecute(Object result) {
        	ShowThumbnailData();
            dismissDialog(DIALOG_DOWNLOAD_THUMBNAIL_PROGRESS);
            removeDialog(DIALOG_DOWNLOAD_THUMBNAIL_PROGRESS);
        }
    }	
  	
	 
    class ImageAdapter extends BaseAdapter {

        private Context mContext; 

        public ImageAdapter(Context context) { 
            mContext = context; 
        } 

        public int getCount() { 
            return MyArrList.size();    
        } 

        public Object getItem(int position) { 
            return MyArrList.get(position); 
        } 

        public long getItemId(int position) { 
            return position; 
        } 

		public View getView(final int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
             
			LayoutInflater inflater = (LayoutInflater) mContext
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		 
			 
			if (convertView == null) {
				convertView = inflater.inflate(R.layout.activity_column, null); 
			}
			
			// ColImage
			ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath);
			imageView.getLayoutParams().height = 110;
			imageView.getLayoutParams().width = 110;
			imageView.setPadding(10, 10, 10, 10);
			imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
        	 try
        	 {
        		 imageView.setImageBitmap((Bitmap)MyArrList.get(position).get("ImageThumBitmap"));
        	 } catch (Exception e) {
        		 // When Error
        		 imageView.setImageResource(android.R.drawable.ic_menu_report_image);
        	 }
        	
			// ColImgID
			TextView txtImgID = (TextView) convertView.findViewById(R.id.ColImgID);
			txtImgID.setPadding(10, 0, 0, 0);
			txtImgID.setText("ID : " + MyArrList.get(position).get("ImageID").toString());
			
			// ColImgName
			TextView txtPicName = (TextView) convertView.findViewById(R.id.ColImgName);
			txtPicName.setPadding(10, 0, 0, 0);
			txtPicName.setText("Name : " + MyArrList.get(position).get("ImageName").toString());	

			// ColStatus
			TextView txtStatus = (TextView) convertView.findViewById(R.id.ColStatus);
			txtStatus.setPadding(10, 0, 0, 0);
			txtStatus.setText("...");
			
			//btnDownload
			final Button btnDownload = (Button) convertView.findViewById(R.id.btnDownload);
			btnDownload.setTextColor(Color.RED);
			btnDownload.setOnClickListener(new View.OnClickListener() {
	            public void onClick(View v) {
	            	// Download
	            	btnDownload.setEnabled(false);
	            	btnDownload.setTextColor(Color.GRAY);
	            	
	            	startDownload(position);
	            }
	        });
			
			//btnView
			Button btnView = (Button) convertView.findViewById(R.id.btnView);
			btnView.setEnabled(false);
			btnView.setTextColor(Color.GRAY);
			btnView.setOnClickListener(new View.OnClickListener() {
	            public void onClick(View v) {
	            	ViewImageSDCard(position);
	            }
	        });
	        
			// progressBar
			ProgressBar progress = (ProgressBar) convertView.findViewById(R.id.progressBar);
			progress.setPadding(10, 0, 0, 0);
			
			return convertView;
				
		}
        
    }
    
	// View Image from SD Card
	public void ViewImageSDCard(int position) {
		final AlertDialog.Builder imageDialog = new AlertDialog.Builder(this);
		final LayoutInflater inflater = (LayoutInflater) this
				.getSystemService(LAYOUT_INFLATER_SERVICE);

		View layout = inflater.inflate(R.layout.custom_fullimage_dialog,
				(ViewGroup) findViewById(R.id.layout_root));
		ImageView image = (ImageView) layout.findViewById(R.id.fullimage);

		String urlDownload = MyArrList.get(position).get("ImagePathFull").toString();
	
	    // Get File Name from URL
	    String fileName = urlDownload.substring(urlDownload.lastIndexOf('/')+1, urlDownload.length() );
	
	    String strPath = "/mnt/sdcard/mydata/" + fileName;
		Bitmap bm = BitmapFactory.decodeFile(strPath); // Path from SDCard
		image.setScaleType(ImageView.ScaleType.CENTER_CROP);

		image.setImageBitmap(bm);

		String strName = MyArrList.get(position).get("ImageName").toString();
		imageDialog.setIcon(android.R.drawable.btn_star_big_on);
		imageDialog.setTitle("View : " + strName);
		imageDialog.setView(layout);
		imageDialog.setPositiveButton(android.R.string.ok,
				new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int which) {
						dialog.dismiss();
					}
				});
		imageDialog.create();
		imageDialog.show();
	}
 	

    
 	/***** Get Image Resource from URL (Start) *****/
	private static final String TAG = "Image";
	private static final int IO_BUFFER_SIZE = 4 * 1024;
	public static Bitmap loadBitmap(String url) {
	    Bitmap bitmap = null;
	    InputStream in = null;
	    BufferedOutputStream out = null;

	    try {
	        in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

	        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
	        out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
	        copy(in, out);
	        out.flush();

	        final byte[] data = dataStream.toByteArray();
	        BitmapFactory.Options options = new BitmapFactory.Options();
	        //options.inSampleSize = 1;

	        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
	    } catch (IOException e) {
	        Log.e(TAG, "Could not load Bitmap from: " + url);
	    } finally {
	        closeStream(in);
	        closeStream(out);
	    }

	    return bitmap;
	}

	 private static void closeStream(Closeable stream) {
	        if (stream != null) {
	            try {
	                stream.close();
	            } catch (IOException e) {
	                android.util.Log.e(TAG, "Could not close stream", e);
	            }
	        }
	    }
	 
	 private static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] b = new byte[IO_BUFFER_SIZE];
        int read;
        while ((read = in.read(b)) != -1) {
            out.write(b, 0, read);
        }
    }
	/***** Get Image Resource from URL (End) *****/
	 
}

CREATE TABLE IF NOT EXISTS `images` (
  `ImageID` int(11) NOT NULL auto_increment,
  `ImageName` varchar(50) NOT NULL,
  `ImagePath_Thumbnail` varchar(150) NOT NULL,
  `ImagePath_FullPhoto` varchar(150) NOT NULL,
  PRIMARY KEY  (`ImageID`)
) ENGINE=MyISAM  AUTO_INCREMENT=7 ;

--
-- Dumping data for table `images`
--

INSERT INTO `images` (`ImageID`, `ImageName`, `ImagePath_Thumbnail`, `ImagePath_FullPhoto`) VALUES
(1, 'Image 1', 'https://www.thaicreate.com/android/img1_thum.jpg', 'https://www.thaicreate.com/android/img1_full.jpg'),
(2, 'Image 2', 'https://www.thaicreate.com/android/img2_thum.jpg', 'https://www.thaicreate.com/android/img2_full.jpg'),
(3, 'Image 3', 'https://www.thaicreate.com/android/img3_thum.jpg', 'https://www.thaicreate.com/android/img3_full.jpg'),
(4, 'Image 4', 'https://www.thaicreate.com/android/img4_thum.jpg', 'https://www.thaicreate.com/android/img4_full.jpg'),
(5, 'Image 5', 'https://www.thaicreate.com/android/img5_thum.jpg', 'https://www.thaicreate.com/android/img5_full.jpg'),
(6, 'Image 6', 'https://www.thaicreate.com/android/img6_thum.jpg', 'https://www.thaicreate.com/android/img6_full.jpg');

<?php
	$objConnect = mysql_connect("localhost","root","root");
	$objDB = mysql_select_db("mydatabase");

	$strSQL = "SELECT * FROM images WHERE 1  ";
	$objQuery = mysql_query($strSQL);
	$intNumField = mysql_num_fields($objQuery);
	$resultArray = array();
	while($obResult = mysql_fetch_array($objQuery))
	{
		$arrCol = array();
		for($i=0;$i<$intNumField;$i++)
		{
			$arrCol[mysql_field_name($objQuery,$i)] = $obResult[$i];
		}
		array_push($resultArray,$arrCol);
	}
	
	mysql_close($objConnect);
	
	echo json_encode($resultArray);
?>

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/tableLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
 
   	<TableRow
      android:id="@+id/tableRow1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" >
     
     <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="ListView and ProgressBar : "
        android:layout_span="1"
        android:textAppearance="?android:attr/textAppearanceMedium" />
  	        
 	</TableRow>

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
 
  <LinearLayout
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0.1">   
     
     <ListView
         android:id="@+id/listView1"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
     </ListView>
  	        
 	</LinearLayout>

	<View
		android:layout_height="1dip"
		android:background="#CCCCCC" />
   		  
   	<LinearLayout
      android:id="@+id/LinearLayout1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:padding="5dip" >

   		<TextView
   		    android:id="@+id/textView2"
   		    android:layout_width="wrap_content"
   		    android:layout_height="wrap_content"
   		    android:text="By.. ThaiCreate.Com" />

	</LinearLayout>
	
</TableLayout>