UIImage *icon = [UIImage imageNamed:@""];
CGSizeitemSize =CGSizeMake(30, 30);
UIGraphicsBeginImageContextWithOptions(itemSize,NO,0.0);
CGRectimageRect =CGRectMake(0.0, 0.0, itemSize.width, itemSize.height);
[icon drawInRect:imageRect];
cell.imageView.image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
