title: Google AdMob not showing the advertisement in iphone sdk
body: <p>I have used this code.</p>
  
  <pre><code>- (void)viewDidLoad {
  [super viewDidLoad];
  
  CGPoint origin = CGPointMake(0,0);
  
   self.adBanner = [[[GADBannerView alloc] initWithAdSize:kGADAdSizeBanner
                                                origin:origin]
                  autorelease];
  
  NSLog(@"%lf %lf ",self.adBanner.center.x, self.adBanner.center.y);
  
  self.adBanner.adUnitID = kSampleAdUnitID;
  self.adBanner.delegate = self;
  [self.adBanner setRootViewController:self];
  [self.view addSubview:self.adBanner];
  [self.adBanner loadRequest:[self createRequest]];
  }
  - (GADRequest *)createRequest {
  GADRequest *request = [GADRequest request];
  
  // Make the request for a test ad.
  request.testing = YES;
  
  return request;
  }
  
  #pragma mark GADBannerViewDelegate impl
  
  // We've received an ad successfully.
  - (void)adViewDidReceiveAd:(GADBannerView *)adView {
   NSLog(@"Received ad successfully");
  }
  
  - (void)adView:(GADBannerView *)view
  didFailToReceiveAdWithError:(GADRequestError *)error {
  NSLog(@"Failed to receive ad with error: %@", [error localizedFailureReason]);
  }
  </code></pre>
  
  <p>This code is not giving any error.Nor it run/show the advertisement.What to do?Did i make any mistake in the code??I have set the adUnitID also.I am not getting my mistake.Please can anyone help me?Thank you in advance.</p>