如果模態(tài)ViewController演示文稿樣式為UIModalPresentationFormSheet，則iPad鍵盤不會(huì)被忽略注意：從iOS 4.3開始，請參閱已接受的答案（不是最受歡迎的答案）。這個(gè)問題是關(guān)于在iPad鍵盤中發(fā)現(xiàn)的行為，如果在帶有導(dǎo)航控制器的模態(tài)對話框中顯示，它將拒絕被解雇?；旧希绻沂褂靡韵滦酗@示導(dǎo)航控制器，如下所示：navigationController.modalPresentationStyle = UIModalPresentationFormSheet;鍵盤拒絕被解雇。如果我注釋掉這一行，鍵盤就會(huì)消失。...我有兩個(gè)textFields，用戶名和密碼; username有一個(gè)Next按鈕，密碼有一個(gè)Done按鈕。如果我在模態(tài)導(dǎo)航控制器中顯示它，鍵盤將不會(huì)消失。作品broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil];[self.view addSubview:b.view];什么都不行broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil];UINavigationController *navigationController = [[UINavigationController alloc]  initWithRootViewController:b];navigationController.modalPresentationStyle = UIModalPresentationFormSheet;navigationController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;[self presentModalViewController:navigationController animated:YES];[navigationController release];[b release];如果我刪除導(dǎo)航控制器部件并將“b”作為模態(tài)視圖控制器單獨(dú)顯示，則可以正常工作。導(dǎo)航控制器是問題嗎？作品broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil];b.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;[self presentModalViewController:b animated:YES];[b release];作品broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil];UINavigationController *navigationController =      [[UINavigationController alloc]          initWithRootViewController:b];[self presentModalViewController:navigationController animated:YES];[navigationController release];[b release];