-(void)postToTwitter{ if([SLComposeViewController isAvailableForServiceType:SLServiceTypeTwitter]){ SLComposeViewController* tweetSheet = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeTwitter]; [tweetSheet setInitialText:@"text"]; [tweetSheet addImage:postImage]; [tweetSheet addURL:[NSURL URLWithString:@"http://qiita.com/WizowozY"]]; [self presentViewController:tweetShe
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