ios – presentViewController显示黑页

概述- (IBAction)submitButtonClicked:(id)sender{ NSLog(@"here"); SuccessOrFailViewController *sfvc = [[SuccessOrFailViewController alloc] init]; [self presentViewController:sfvc animated:NO com

- (IBAction)submitbuttonClicked:(ID)sender{    NSLog(@"here");    SuccessOrFailVIEwController *sfvc = [[SuccessOrFailVIEwController alloc] init];    [self presentVIEwController:sfvc animated:NO completion:NulL];}

当用户点击应用中的提交按钮时,我试图打开一个新页面.但是,这完全没有打开黑屏.如何使它打开vIEwController？

解决方法 您没有为用户界面输入nib名称：

SuccessOrFailVIEwController *sfvc = [[SuccessOrFailVIEwController alloc] initWithNibname:@"SuccessOrFailVIEwController" bundle:nil];[self presentVIEwController:sfvc animated:NO completion:NulL];

对于故事板,这是要走的路：

UIStoryboard *storyboard = [UIStoryboard storyboarDWithname:@"MainStoryboard" bundle:nil];SuccessOrFailVIEwController *sfvc = [storyboard instantiateVIEwControllerWithIDentifIEr:@"SuccessOrFailVIEwController"];[sfvc setModalPresentationStyle:UIModalPresentationFullScreen];[self presentModalVIEwController:sfvc animated:YES];

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