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此代碼提供了我的新視圖控制器,但它來自右側而不是從底部開始。我無法弄清楚如何讓它做垂直動畫。有什麼想法嗎?presentViewController將不會垂直
UINavigationController *navigationController = [[UINavigationController alloc]
initWithRootViewController:newDeal];
navigationController.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
[self presentViewController:navigationController animated:YES completion: nil];