UIActivityController behaviour different on device and simulator
问题 I add an activityViewController to my app like below, passing in an image UIActivityViewController *avc = [[UIActivityViewController alloc]initWithActivityItems:[NSArray arrayWithObjects:img,nil] applicationActivities:[NSArray arrayWithObjects:nil]]; [self presentModalViewController:avc animated:YES]; [avc release]; On the simulator (twitter, facebook and weibo accounts all not configured): options mail, twitter, facebook, weibo, assign to contact, save to camera roll, print, and copy appear