ارورر در پروژه ماركت اندرويد + قسمت بارگذاري عكس(حل شد )

سلام به همگي

من همه چيزو مطابق چيزي كه استاد گفته انجام دادم.(فصل 16 ماركت اندرويد - قسمت آخر 4 ) اما صلا عمل دانلود رو انجام نميده! و توي فايل temp من هيچي نيست!

اينم خطايي كه ميده:

 08-11 07:38:57.520: W/System.err(30862): java.io.FileNotFoundException: /mnt/sdcard/web-magazine/temp/img/image3.jpg:
 open failed: ENOENT (No such file or directory)

اگه خواستين تمام كدهارو ميزارم كه ببينيد، اما الالحصاب:

//---------------------------------------------------------- AdapterMag: ----------------------------------------------------------
package web_mag;

import java.io.File;
import java.util.ArrayList;

import com.itnegar.app.doctorjibi.R;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;


public class AdapterMag extends ArrayAdapter<StructMag> {

	//moshakhas kardane adaptor
    public AdapterMag(ArrayList<StructMag> array) {
        super(G.context, R.layout.web_magpost_row, array);
    }


    //negah daranade va moshakhas konandeye controlha
    private static class ViewHolder {

        public ViewGroup layoutRoot;
        public TextView  maglist_title;
        public TextView  maglist_desc;
        public ImageView maglist_img;


        //negahdarande
        public ViewHolder(View view) {
        	maglist_title = (TextView) view.findViewById(R.id.maglist_title);
        	maglist_desc = (TextView) view.findViewById(R.id.maglist_desc);
            layoutRoot = (ViewGroup) view.findViewById(R.id.layoutRoot);
            maglist_img = (ImageView) view.findViewById(R.id.maglist_img);
        }


        //por konande
        public void fill(final ArrayAdapter<StructMag> adapter, final StructMag item, final int position) {
        	maglist_title.setText(item.title);
        	maglist_desc.setText(item.description);
        	
        	
        	String filename = item.logoUrl.replace("/img/", "");
            final File imageFile = new File(G.DIR_FINAL + "/" + filename);
            if ( !imageFile.exists()) {
            	maglist_img.setImageBitmap(null);
                DownloadManager.addToDownloadList(item.logoUrl);
            }

            BitmapFactory.Options options = new BitmapFactory.Options();
            //options.inSampleSize = 8;
            Bitmap bitmap = BitmapFactory.decodeFile(imageFile.getAbsolutePath(), options);
            maglist_img.setImageBitmap(bitmap);
        	
        	
        	//raftan be activitiye badi pas az click ruye harkodam az anasor
        	layoutRoot.setOnClickListener(new OnClickListener() {
				@Override
				public void onClick(View arg0) {
					G.selectedPost = item;
					Intent intent = new Intent(G.currentActivity, Magazine_postdetails.class);
					G.currentActivity.startActivity(intent);
				}
			});
        	
        	
        }
        
    }


    //daryaft konandeye etela'at az arraye
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;

        StructMag item = getItem(position);
        if (convertView == null) {
            convertView = G.inflater.inflate(R.layout.web_magpost_row, parent, false);
            holder = new ViewHolder(convertView);
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        holder.fill(this, item, position);
        
        Animation anim = AnimationUtils.loadAnimation(G.currentActivity, R.anim.animation);
        convertView.setAnimation(anim);
        
        return convertView;
    }
}

//----------------------------------------------------------  DownloadManager: ----------------------------------------------------------
package web_mag;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import android.util.Log;


public class DownloadManager {

    public static ArrayList<String>          urls = new ArrayList<String>();

    public static OnDownloadCompleteListener downloadCompleteListener;


    public static void copyFile(String sourceFile, String destinationFile) {
        FileInputStream inputStream = null;
        FileOutputStream outputStream = null;
        try {
            inputStream = new FileInputStream(sourceFile);
            outputStream = new FileOutputStream(destinationFile);

            byte[] buffer = new byte[G.DOWNLOAD_BUFFER_SIZE];
            int len;
            while ((len = inputStream.read(buffer)) > 0) {
                outputStream.write(buffer, 0, len);
            }
        }
        catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (outputStream != null) {
                try {
                    outputStream.flush();
                    outputStream.close();
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }


    public static void initialize() {
        downloadCompleteListener = new OnDownloadCompleteListener() {

            @Override
            public void onDownloadComplete(String url, String localPath) {
                Log.i("LOG", "Image Download Complete, Original URL: " + url + ", Save Path: " + localPath);
                copyFile(localPath, localPath.replace("/temp/", "/final/"));
                new File(localPath).delete();

            }
        };
    }


    public static void addToDownloadList(String url) {
        if (urls.contains(url)) {
            return;
        }

        String filename = url.replace("/img/", "");
        filename = filename.replace("/image/", "");

        if (new File(G.DIR_FINAL + "/" + filename).exists()) {
            return;
        }

        urls.add(url);
        
        DownloadRequest downloadRequest = new DownloadRequest()
        .downloadPath("http://192.168.1.4/drjibi_adc/phptest/" + url)
        .filepath(G.DIR_TEMP + "/" + filename)
        .listener(downloadCompleteListener)
        .download();

    }
}

//----------------------------------------------------------  DownloadRequest: ----------------------------------------------------------
package web_mag;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;


public class DownloadRequest {

    private int downloadedSize;
    private int totalSize;
    private int percent;


    public int getDownloadedSize() {
        return downloadedSize;
    }


    public int getTotalSize() {
        return totalSize;
    }


    public int getPercent() {
        return percent;
    }


    public DownloadRequest download() {
        Thread thread = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    URL url = new URL(downloadPath);
                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
                    connection.setRequestMethod("GET");
                    connection.setDoOutput(true);
                    connection.connect();

                    totalSize = connection.getContentLength();

                    File file = new File(filepath);
                    if (file.exists()) {
                        file.delete();
                    }

                    FileOutputStream outputStream = new FileOutputStream(filepath);

                    InputStream inputStream = connection.getInputStream();
                    byte[] buffer = new byte[G.DOWNLOAD_BUFFER_SIZE];
                    int len = 0;
                    while ((len = inputStream.read(buffer)) > 0) {
                        outputStream.write(buffer, 0, len);
                        downloadedSize += len;

                        percent = (int) (100.0f * (float) downloadedSize / totalSize);
                        if (percent == 100 && listener != null) {

                            G.HANDLER.post(new Runnable() {

                                @Override
                                public void run() {
                                    listener.onDownloadComplete(downloadPath, filepath);
                                }
                            });
                        }

                        if (simulate) {
                            try {
                                Thread.sleep(100);
                            }
                            catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                        }
                    }

                    outputStream.close();
                }
                catch (MalformedURLException e) {
                    e.printStackTrace();
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });

        thread.start();

        return this;
    }

    private String                     downloadPath;
    private String                     filepath;
    private OnDownloadCompleteListener listener;
    private boolean                    simulate;


    public DownloadRequest downloadPath(String value) {
        downloadPath = value;
        return this;
    }


    public DownloadRequest filepath(String value) {
        filepath = value;
        return this;
    }


    public DownloadRequest listener(OnDownloadCompleteListener value) {
        listener = value;
        return this;
    }


    public DownloadRequest simulate(boolean value) {
        simulate = value;
        return this;
    }
}

//------------------------------------------------------ .G: ----------------------------------------------------------
package web_mag;

import java.io.File;

import android.app.Application;
import android.content.Context;
import android.os.Environment;
import android.os.Handler;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;

public class G extends Application{
	
	public static Context context;
	public static LayoutInflater inflater;
	public static final Handler HANDLER = new Handler();
	public static ActionBarActivity currentActivity;
	public static final int DOWNLOAD_BUFFER_SIZE = 8 * 1024;


    public static final String      DIR_SDCARD           = Environment.getExternalStorageDirectory().getAbsolutePath();
    public static final String      DIR_APP              = DIR_SDCARD +  "/web-magazine";
    public static final String      DIR_TEMP             = DIR_APP + "/temp";
    public static final String      DIR_FINAL            = DIR_APP + "/final";
    
	
	public static StructMag selectedPost;
	
	@Override
	public void onCreate() {
		super.onCreate();
		
		context = getApplicationContext();
		inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		
		new File(DIR_APP).mkdirs();
		new File(DIR_TEMP).mkdirs();
		new File(DIR_FINAL).mkdirs();
		
		DownloadManager.initialize();
		
	}

}

 //------------------------------------------------------ Magazinepost: ----------------------------------------------------------
package web_mag;

import java.util.ArrayList;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.itnegar.app.doctorjibi.R;

import android.os.Bundle;
import android.os.StrictMode;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.widget.ListView;

public class Magazine_post extends EnhancedActivity{
	
	private ListView list;
	private AdapterMag adapter;
	
	private ArrayList<StructMag> magPost = new ArrayList<StructMag>();

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.web_magpost_layout);
		
		//ejaze gereftan jahate ersal va daryafte dadeh tavasote JSON
		StrictMode.ThreadPolicy policy= new StrictMode.ThreadPolicy.Builder().permitAll().build();
		StrictMode.setThreadPolicy(policy);
		//-----------------------------------------------------------
		
		list = (ListView) findViewById(R.id.maglist_list);
		
		adapter = new AdapterMag(magPost);
		list.setAdapter(adapter);
		
		populateFromServer();
	}
	
	
	private void fakedata(){
		for(int i=0; i<50; i++){
			StructMag magPosts = new StructMag();
			magPosts.title="اپليكيشن #"+i;
			magPosts.description="متن اپليكيشن #"+i;
			
			magPost.add(magPosts);
		}
		
		adapter.notifyDataSetChanged();
	}

	
	 private void populateFromServer() {
		 
		 String result = Webservice.readUrl("http://192.168.1.4/drjibi_adc/phptest/index.php?action=read", null);
		 Log.i("stringgggggggg", result);
		 if (result != null) {
			 try {
				 magPost.clear();
				 JSONArray posts = new JSONArray(result);
				 for (int i = 0; i < posts.length(); i++) {
		                	
					 JSONObject object = posts.getJSONObject(i);
					 StructMag magPosts = new StructMag();
		                    
					 magPosts.title = object.getString("title");
					 magPosts.description = object.getString("content");
					 magPosts.logoUrl = object.getString("logo_url");

					 magPost.add(magPosts);
				 }
				 
			adapter.notifyDataSetChanged();
			 
			 }catch (JSONException e) {e.printStackTrace();}
		        
		 }
	 
	 }

}