title: Received memory warning. Level=2, Program received signal: “0”
body: <p>Hi friends I am getting images from webservice and  loading these images in table view.But when i continue to scroll the program receives memory warning level1,level2 and then app exits with status 0.That happens only in device not in simulator.
  Here is my code which i am putting please help me out.</p>
  
  <pre><code>- (void)viewDidLoad {
      [super viewDidLoad];
  
      UIButton *infoButton = [[UIButton alloc] initWithFrame:CGRectMake(0, -4, 62, 30)];
      [infoButton setBackgroundImage:[UIImage imageNamed: @"back.png"] forState:UIControlStateNormal];
      [infoButton addTarget:self action:@selector(backButtonClicked) forControlEvents:UIControlEventTouchUpInside];
      UIBarButtonItem *customBarButtomItem = [[UIBarButtonItem alloc] initWithCustomView:infoButton];
      self.navigationItem.leftBarButtonItem = customBarButtomItem;
      [customBarButtomItem release];
      [infoButton release];
  
      UIButton *homeButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 62, 30)];
      [homeButton setBackgroundImage:[UIImage imageNamed: @"home.png"] forState:UIControlStateNormal];
      [homeButton.titleLabel setFont:[UIFont systemFontOfSize:11]];
      //[homeButton setTitle:@"UPLOAD" forState:UIControlStateNormal];
      [homeButton addTarget:self action:@selector(homeButtonClicked) forControlEvents:UIControlEventTouchUpInside];
      UIBarButtonItem *rightBarButtom = [[UIBarButtonItem alloc] initWithCustomView:homeButton];
      self.navigationItem.rightBarButtonItem = rightBarButtom;
      [rightBarButtom release];
      [homeButton release];
  
      sellerTableView=[[UITableView alloc]initWithFrame:CGRectMake(0, 0, 320, 416) style:UITableViewStylePlain];
      sellerTableView.delegate=self;
      sellerTableView.dataSource=self;
      sellerTableView.backgroundColor=[UIColor clearColor];
      sellerTableView.scrollEnabled=YES;
      //table.separatorColor=[UIColor grayColor];
      //table.separatorColor=[UIColor whiteColor];
      //[[table layer]setRoundingMode:NSNumberFormatterRoundDown];
      [[sellerTableView layer]setBorderColor:[[UIColor darkGrayColor]CGColor]];
      [[sellerTableView layer]setBorderWidth:2];
      //[[productTable layer]setCornerRadius:10.3F];
      [self.view addSubview:sellerTableView];
  
      appDel = (SnapItAppAppDelegate*)[[UIApplication sharedApplication] delegate];
  
  
  
  }
  
  -(void)viewWillAppear:(BOOL)animated
  {
  
  
      spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
      spinner.center = self.view.center;
      [self.view addSubview:spinner];
      [spinner startAnimating];
      [[SnapItParsing sharedInstance]assignSender:self];
      [[SnapItParsing sharedInstance]startParsingForShowProducts:appDel.userIdString];
      [sellerTableView reloadData];
  
  }
  
  
  -(void)showProducts:(NSMutableArray*)proArray
  { 
  
      if (spinner) {
          [spinner stopAnimating];
          [spinner removeFromSuperview];
          [spinner release];
          spinner = nil;
      }
  
  
      if ([[[proArray objectAtIndex:1]objectForKey:@"Success"]isEqualToString:@"True"]) {
          //[self.navigationController popViewControllerAnimated:YES];
          //self.view.alpha=.12;
  
          if (productInfoArray) {
              [productInfoArray release];
          }
          productInfoArray=[[NSMutableArray alloc]init];
  
          for (int i=2; i&lt;[proArray count]; i++) 
          {
              NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
              [productInfoArray addObject:[proArray objectAtIndex:i]];
              NSLog(@"data fetch array is====&gt; /n%@",productInfoArray);
              [pool release];
          }
      }
  }
  
  #pragma mark (tableview methods)
  
  - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
      return 100;
  }
  
  
  - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  
      //return [resultarray count]; 
  
      return [productInfoArray count];
  }
  
  
  -(void)loadImagesInBackground:(NSNumber *)index{
  
      NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
  
      NSMutableDictionary *frame = [[productInfoArray objectAtIndex:[index intValue]] retain];
      //NSLog(@"frame value ==&gt;%@",[[frame objectForKey:@"Image"]length]);
      NSString *frameImagePath = [NSString stringWithFormat:@"http://apple.com/snapit/products/%@",[frame objectForKey:@"Image"]];
      NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:frameImagePath]];
      NSLog(@"FRAME IMAGE%d",[[frame valueForKey:@"Image" ]length]);
  
      if([[frame valueForKey:@"Image"] length] == 0){
          NSString *imagePath = [[NSString alloc] initWithFormat:@"%@/%@",[[NSBundle mainBundle] resourcePath],@"no_image.png"];
          UIImage *image = [UIImage imageWithContentsOfFile:imagePath];
          [frame setObject:image forKey:@"friendImage"];
          [imagePath release];
          //[image release];
      }
      else {
          //NSData *imageData = [NSData dataWithContentsOfURL:[NSURL URLWithString:frameImagePath]];
          NSLog(@"image data length ==&gt;%d",[imageData length]);
          if([imageData length] == 0){
              NSString *imagePath = [[NSString alloc] initWithFormat:@"%@/%@",[[NSBundle mainBundle] resourcePath],@"no_image.png"];
              UIImage *image = [UIImage imageWithContentsOfFile:imagePath];
              [frame setObject:image forKey:@"friendImage"];
              [imagePath release];
              //[image release];
          }
          else {
              //UIImage *image = [[UIImage alloc] initWithData:imageData];
              UIImage *image = [UIImage imageWithData:imageData];
              [frame setObject:image forKey:@"friendImage"]; 
              //[image release];
          }
      }
      [frame release];
      frame = nil;
  
      [self performSelectorOnMainThread:@selector(reloadTable:) withObject:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:[index intValue] inSection:0]] waitUntilDone:NO];
  
      [pool release];
  
  }
  
  -(void)reloadTable:(NSArray *)array{
      NSLog(@"array ==&gt;%@",array);
      [sellerTableView reloadRowsAtIndexPaths:array withRowAnimation:UITableViewRowAnimationNone];    
  }
  
  
  - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
  {
      static NSString *celltype=@"cell";
      UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:celltype];
  
  
      for (UIView *view in cell.contentView.subviews) {
          [view removeFromSuperview];
      }
      if (cell == nil)
      {
          cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"] autorelease];
          cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
          cell.backgroundColor=[UIColor clearColor];
          //cell.textLabel.text=[[resultarray objectAtIndex:indexPath.row] valueForKey:@"Service"];
  
          /*UIImage *indicatorImage = [UIImage imageNamed:@"indicator.png"];
           cell.accessoryView =
           [[[UIImageView alloc]
           initWithImage:indicatorImage]
           autorelease];*/
          /*NSThread *thread=[[NSThread alloc]initWithTarget:self selector:@selector() object:nil];
           [thread setStackSize:44];
           [thread start];*/
  
          cell.backgroundView=[[[UIImageView alloc]initWithImage:[UIImage imageNamed:@"cell.png"]]autorelease];
          // [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"back.png"]] autorelease];
  
          cell.selectionStyle=UITableViewCellSelectionStyleNone;
  
  
  
      }
  
  
      UIImageView *imageView= [[UIImageView alloc] initWithFrame:CGRectMake(19, 15, 75, 68)];
      imageView.contentMode = UIViewContentModeScaleToFill;
  
      // @synchronized(self)
      //{
      NSMutableDictionary *dict = [productInfoArray objectAtIndex:indexPath.row];
      if([dict objectForKey:@"friendImage"] == nil){
          imageView.backgroundColor = [UIColor clearColor];
          if ([dict objectForKey:@"isThreadLaunched"] == nil) {
              [NSThread detachNewThreadSelector:@selector(loadImagesInBackground:) toTarget:self withObject:[NSNumber numberWithInt:indexPath.row]];
              [dict setObject:@"Yes" forKey:@"isThreadLaunched"];
          }
      }else {
  
          imageView.image =[dict objectForKey:@"friendImage"];
  
      }
  
      //NSString *imagePath = [[NSString alloc] initWithFormat:@"%@/%@",[[NSBundle mainBundle] resourcePath],@"no_image.png"];
      //imageView.layer.cornerRadius = 20.0;//vk
      //imageView.image=[UIImage imageWithContentsOfFile:imagePath];
      //imageView.layer.masksToBounds = YES;
  
      //imageView.layer.borderColor = [UIColor darkGrayColor].CGColor;
      //imageView.layer.borderWidth = 1.0;//vk
      //imageView.layer.cornerRadius=7.2f;
      [cell.contentView addSubview:imageView];
      //[imagePath release];
      [imageView release];
  
      imageView = nil;    
      //}
  
      UILabel *productCodeLabel = [[UILabel alloc] initWithFrame:CGRectMake(105, 7, 60,20 )];
      productCodeLabel.textColor = [UIColor whiteColor];
      productCodeLabel.backgroundColor=[UIColor clearColor];
      productCodeLabel.text=[NSString stringWithFormat:@"%@",@"Code"];
      [cell.contentView addSubview:productCodeLabel];
      [productCodeLabel release];
  
      UILabel *CodeValueLabel = [[UILabel alloc] initWithFrame:CGRectMake(170, 7, 140,20 )];
      CodeValueLabel.textColor = [UIColor whiteColor];
      CodeValueLabel.backgroundColor=[UIColor clearColor];
      CodeValueLabel.text=[NSString stringWithFormat:@"%@",[[productInfoArray objectAtIndex:indexPath.row]valueForKey:@"ID"]];
      [cell.contentView addSubview:CodeValueLabel];
      [CodeValueLabel release];
  
  
  
      UILabel *productNameLabel = [[UILabel alloc] initWithFrame:CGRectMake(105, 35, 60,20 )];
      productNameLabel.textColor = [UIColor whiteColor];
      productNameLabel.backgroundColor=[UIColor clearColor];
      productNameLabel.text=[NSString stringWithFormat:@"%@",@"Name"];
      [cell.contentView addSubview:productNameLabel];
      [productNameLabel release];
  
      UILabel *NameValueLabel = [[UILabel alloc] initWithFrame:CGRectMake(170, 35, 140,20 )];
      NameValueLabel.textColor = [UIColor whiteColor];
      NameValueLabel.backgroundColor=[UIColor clearColor];
      NameValueLabel.text=[NSString stringWithFormat:@"%@",[[productInfoArray objectAtIndex:indexPath.row]valueForKey:@"Title"]];
      [cell.contentView addSubview:NameValueLabel];
      [NameValueLabel release];
  
  
  
      UILabel *dateLabel = [[UILabel alloc] initWithFrame:CGRectMake(105, 68, 60,20 )];
      dateLabel.textColor = [UIColor whiteColor];
      dateLabel.backgroundColor=[UIColor clearColor];
      dateLabel.text=[NSString stringWithFormat:@"%@",@"Date"];
      [cell.contentView addSubview:dateLabel];
      [dateLabel release];
  
      UILabel *dateValueLabel = [[UILabel alloc] initWithFrame:CGRectMake(170, 68, 140,20 )];
      dateValueLabel.textColor = [UIColor whiteColor];
      dateValueLabel.backgroundColor=[UIColor clearColor];
      dateValueLabel.text=[NSString stringWithFormat:@"%@",[[productInfoArray objectAtIndex:indexPath.row]valueForKey:@"PostedDate"]];
      dateValueLabel.font=[UIFont systemFontOfSize:14];
      dateValueLabel.numberOfLines=3;
      dateValueLabel.adjustsFontSizeToFitWidth=YES;
      [dateValueLabel setLineBreakMode:UILineBreakModeCharacterWrap];
      [cell.contentView addSubview:dateValueLabel];
      [dateValueLabel release];
  
  }
  </code></pre>
  
  <p>Please-2 help me out ,where i am doing mistake.....</p>