title: iOS7 Fullscreen uiview.. why disappear status bar?
body: <p>(i can't speak english well T.T)</p>
  
  <p>I want fullscreen uiview in uiviewcontroller.</p>
  
  <p>I use this code.</p>
  
  <pre><code>  - (IBAction)addBtn:(id)sender {
  
      addView = [[AddView alloc] initWithFrame:CGRectZero];
  
      [[[UIApplication sharedApplication]delegate].window addSubview:addView];
      addView.window.windowLevel = UIWindowLevelStatusBar;
  
      [addView setAlpha:0.0f];
  
      [UIView beginAnimations:nil context:nil];
      [UIView setAnimationDuration:0.35f];
      [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
  
      [addView setAlpha:1.0f];
      [UIView commitAnimations];
  }
  </code></pre>
  
  <p>when click button (+)</p>
  
  <p>disappear status bar!!!!!!!</p>
  
  <p>when i use same code in ios6, it's worked.
  but in ios7 not worked.</p>
  
  <p>why disappear status bar?</p>
  
  <p><a href="https://www.dropbox.com/s/16qrgur1dnqioug/PleaseHelpMe.zip" rel="nofollow">check my sorce code here.</a></p>