如何知道在调用activityController setCompletionHandler之前在UIActivityViewController中单击了哪个图标? [英] How to know which icon is clicked in UIActivityViewController before activityController setCompletionHandleris called?

问题描述

如何知道在调用activityController setCompletionHandler:^(NSString *activityType, BOOL completed)之前在UIActivityViewController中单击了哪个图标?

How to know which icon is clicked in UIActivityViewController before activityController setCompletionHandler:^(NSString *activityType, BOOL completed) is called ?

我想共享不同的文本以便与Twitter和Facebook共享.

I want to share different text for sharing with twitter and facebook.

-(IBAction)btnSharePressedFromOffersDetail:(id)sender
{
NSString *posturl= @"facebook or twitter";
UISimpleTextPrintFormatter *printData = [[UISimpleTextPrintFormatter alloc]init];
NSArray *Itemsarray=@[posturl,printData];
UIActivityViewController *activityController = [[UIActivityViewController alloc]initWithActivityItems:Itemsarray applicationActivities:nil];
[self presentViewController:activityController
                   animated:YES completion:nil];
[activityController setCompletionHandler:^(NSString *activityType, BOOL completed)
{
     NSLog(@"Activity = %@",activityType);
     NSLog(@"Completed Status = %d",completed);  
     if (completed)
     {
         UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@""
                                                         message:@"Thanks for sharing!"
                                                        delegate:nil
                                              cancelButtonTitle:@"OK"
                                               otherButtonTitles:nil];
         [alert show];
     }
     else
     {       
     }
 }];
}

推荐答案

如果您的目标是对Twitter或Facebook使用不同的文本，则实现UIActivityItemSource协议的是共享模型的责任.

If your goal is to use a different text for Twitter or Facebook, it's the responsability of your shared Model who implement the UIActivityItemSource protocol.

- (id) activityViewController:(UIActivityViewController *)activityViewController itemForActivityType:(NSString *)activityType
{
    if([activityType isEqualToString:UIActivityTypePostToFacebook]) return @"Facebook text";
    else if([activityType UIActivityTypePostToTwitter]) return @"Twitter text";
    else return @"Default text";
}

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