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可能有人請幫我用下面的代碼:委託未設置
- (IBAction)addCellButton: (UIBarButtonItem *)sender
{
if(!self.imagePopover)
{
AlbumPicker *albumPicker = [self.storyboard instantiateViewControllerWithIdentifier:@"MultipleImagePicker"];
self.imagePopover = [[UIPopoverController alloc] initWithContentViewController:albumPicker];
albumPicker.delegate = self;
NSLog(@"%@", albumPicker.delegate);
[self.imagePopover presentPopoverFromBarButtonItem:sender
permittedArrowDirections:UIPopoverArrowDirectionAny
animated:YES];
self.imagePopover.delegate = self;
}
}
的問題是是,當我被打印出來檢查委託我albumPicker.m,它被設置爲nil
?我是否正確設置代表?
你確定'albumPicker'本身不是零? – 2012-08-10 01:58:56
它似乎不是零。我只是打印它的內容來檢查它。它不是零。當我打印albumPicker.delegate時,上面的代碼中不是零 – 2012-08-10 02:12:11
那麼什麼是零? imagePopover.delegate或albumPicker.delegate? – rdelmar 2012-08-10 02:50:35