Say you want to do something once user finish. What do you do?
It doesn't have a delegate. What to do once a present view controller is dismissed?
In the Apple documentation you'll find that SLComposeViewController has a completion handler property instead of a delegate. You just need to set that property using the setCompletionHandler method. Then you use the constant SLComposeViewControllerResult to recover whether the post was posted or canceled and take action accordingly.
-(void) shareToFacebook {
//1. Set link and image
NSString *appLink = @"https://itunes.apple.com/app/id989793966";
UIImage *twitterImage = [UIImage imageNamed:@"TF_400x400.png"];
//2. Check if we can share
if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {
//3. Compose the share view controller
SLComposeViewController *FBViewController = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
[FBViewController addURL:[NSURL URLWithString:appLink]];
[FBViewController addImage:twitterImage];
//4 Set completion handler and define actions to take
[FBViewController setCompletionHandler:^(SLComposeViewControllerResult result)
{
if (result == SLComposeViewControllerResultCancelled) {
[self addEmptyScreenButtonTargets];
} else if (result == SLComposeViewControllerResultDone) {
//Unlock words; show thank you screen
[NewCardManager unlockWordsForPackage:4];
[self openFBThankYouScreen];
}
}];
//5. Call to modally present the share controller
[self presentViewController:FBViewController animated:YES completion:nil];
}
}
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