title: how to integrate whatsapp in ios
body: <p>hi now i am trying Integrate What's app in our app </p>
  
  <p>i have done already integrate Tweet </p>
  
  <p>:-in this app i create two buttons 
  one(chooseImagePressed) button is choose the image form local file and then 
  and then second(tweetButtonPressed) this is post the image to Tweeter </p>
  
  <pre><code>- (IBAction)tweetButtonPressed:(id)sender
  {
      if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeTwitter])
      {
          SLComposeViewController *tweetSheet = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeTwitter];
          [tweetSheet setInitialText:@"Look at this nice picture!"];
  
          [tweetSheet addImage:self.imageView.image];
  
          [self presentViewController:tweetSheet animated:YES completion:nil];
      }
      else
      {
          UIAlertView *alertView = [[UIAlertView alloc]
                                    initWithTitle:@"Error"
                                    message:@"please setup Twitter"
                                    delegate:self
                                    cancelButtonTitle:@"OK"
                                    otherButtonTitles:nil];
          [alertView show];
      }
  }
  
  - (IBAction)chooseImagePressed:(id)sender
  {
      self.pickerController = [[UIImagePickerController alloc] init];
  
      self.pickerController.delegate = self;
      self.pickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
  
      [self presentViewController:self.pickerController animated:YES completion:nil];
  }
  
  #pragma mark 
  
  - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;
  {
      self.imageView.image = [info objectForKey:UIImagePickerControllerOriginalImage];
  
      [self dismissViewControllerAnimated:YES completion:nil];
  }
  </code></pre>
  
  <p>Please give me any idea about the how to integrated what's app into our app </p>
  
  <p>Please tell me this is possible or Not  </p>
  
  <p>Thanks </p>