title: How to make UITableView transparent in IOS7?
body: <p>I have tried many times and many method to UITableView  transparent in IOS7,but it still does not work.I have no any ideas...</p>
  
  <pre><code>"[cell setBackgroundColor:[UIColor clearColor]];"
  
  
  UIView* bgv = [[UIView alloc] init];
  bgv.backgroundColor = [UIColor clearColor];
  [cell setBackgroundColor:[UIColor clearColor]];
  [cell setBackgroundView:bgv];
  
  cell.backgroundColor = [UIColor colorWithRed:(247.0/255.0)
                                   green:(151.0/255.0)  blue:(121.0/255.0) alpha:.3];
  </code></pre>
  
  <p>All over these 3 method I've tried,still not work.</p>
  
  <p>Can anybody give some more tips about this problem?</p>
  
  <p>Thanks a lot~</p>