下面的代码片段是屏幕按钮的回调。Facebook表单出现了,但是没有任何文本。然而,如果你用
SLServiceTypeTwitter
替换SLServiceTypeFacebook
,它会显示初始文本。我正在使用XCode 6.3.1和iOS 8.3在iPhone 6上。提前致谢。-(IBAction)facebookButton:(id)sender
{
if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook])
{
NSString* facebookText = @"Awesome App";
SLComposeViewController *fbPostSheet = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
[fbPostSheet setInitialText:facebookText];
[self presentViewController:fbPostSheet animated:YES completion:nil];
}
else{
UIAlertView *alertView = [[UIAlertView alloc]
initWithTitle:@"Unable to Connect to Facebook"
message:@"Make sure your device has an internet connection and you have your Facebook account setup in the Settings App"
delegate:self
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alertView show];
}
}