SLComposeViewController CompletionHandler

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面向向阳花
面向向阳花 2021-02-01 06:28

Hi how do I get notified if a tweet was completed using the SLComposeViewController CompletionHandler. Here is the code to send a tweet

  if ([SLComposeViewCont         


        
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  • 2021-02-01 07:01

    Found the answer

    - (void)showTweetSheet
    {
      //  Create an instance of the Tweet Sheet
      SLComposeViewController *tweetSheet = [SLComposeViewController
                                             composeViewControllerForServiceType:
                                             SLServiceTypeTwitter];
    
      // Sets the completion handler.  Note that we don't know which thread the
      // block will be called on, so we need to ensure that any UI updates occur
      // on the main queue
      tweetSheet.completionHandler = ^(SLComposeViewControllerResult result) {
        switch(result) {
            //  This means the user cancelled without sending the Tweet
          case SLComposeViewControllerResultCancelled:
            break;
            //  This means the user hit 'Send'
          case SLComposeViewControllerResultDone:
            break;
        }
    
        //  dismiss the Tweet Sheet
        dispatch_async(dispatch_get_main_queue(), ^{
          [self dismissViewControllerAnimated:NO completion:^{
            NSLog(@"Tweet Sheet has been dismissed.");
          }];
        });
      };
    
      //  Set the initial body of the Tweet
      [tweetSheet setInitialText:@"just setting up my twttr"];
    
      //  Adds an image to the Tweet.  For demo purposes, assume we have an
      //  image named 'larry.png' that we wish to attach
      if (![tweetSheet addImage:[UIImage imageNamed:@"larry.png"]]) {
        NSLog(@"Unable to add the image!");
      }
    
      //  Add an URL to the Tweet.  You can add multiple URLs.
      if (![tweetSheet addURL:[NSURL URLWithString:@"http://twitter.com/"]]){
        NSLog(@"Unable to add the URL!");
      }
    
      //  Presents the Tweet Sheet to the user
      [self presentViewController:tweetSheet animated:NO completion:^{
        NSLog(@"Tweet sheet has been presented.");
      }];
    }
    
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