以我IB我创建了一个SEGUE从一个UIViewController中(标识符=列表)推到另一个(标识符=细节)。然后在数据携带到的UIViewController返回(空)
prepareForSegue
我这样做是为了扛过一些数据测试目的:
Detail *detailsViewController = [self.storyboard instantiateViewControllerWithIdentifier:@"Details"];
NSLog(@"Current \"Details\" class in use: %@",detailsViewController);
NSLog(@"Prep Complete, Testing begins==============");
detailsViewController.TitleField.text = @"Random Text";
detailsViewController.DuedateField.text = [NSString stringWithFormat:@"%@",[NSDate date]];
detailsViewController.ReminderFieldOne.text = [NSString stringWithFormat:@"%@",[NSDate date]];
detailsViewController.ReminderFieldTwo.text = [NSString stringWithFormat:@"%@",[NSDate date]];
detailsViewController.NotesArea.text = @"Note 1: This doesnt seem to work.";
NSLog(@"Items from %@:",detailsViewController);
NSLog(@"Title Field = %@",detailsViewController.TitleField.text);
NSLog(@"Duedate field = %@",detailsViewController.DuedateField.text);
NSLog(@"Reminder field 1 = %@",detailsViewController.ReminderFieldOne.text);
NSLog(@"Reminder field 2 = %@",detailsViewController.ReminderFieldTwo.text);
NSLog(@"Notes = %@",detailsViewController.NotesArea.text);
NSLog(@"===============Testing Complete");
然而,从同一detailsViewController几乎所有的NSLogs回报(空)值的数据被送到。
2012-02-08 13:38:53.016 TodoApp[10132:fb03] Items from <Detail: 0x6d70120>:
2012-02-08 13:38:53.017 TodoApp[10132:fb03] Title Field = (null)
2012-02-08 13:38:53.017 TodoApp[10132:fb03] Duedate field = (null)
2012-02-08 13:38:53.018 TodoApp[10132:fb03] Reminder field 1 = (null)
2012-02-08 13:38:53.019 TodoApp[10132:fb03] Reminder field 2 = (null)
2012-02-08 13:38:53.020 TodoApp[10132:fb03] Notes = (null)
我已经在它一段时间了,找出它为什么是(null)。有没有人有任何线索为什么发生这种情况?我错过了什么吗?
谢谢你的时间!
编辑:详细信息视图多数民众赞成编辑和一个多数民众赞成加载似乎不同,但这并不能解释为什么日志返回(空)从相同的详细信息视图中获取数据作为编辑。
2012-02-08 14:41:11.937 TodoApp[10567:fb03] Current "Details" class in use: <Detail: 0x6a883a0>
2012-02-08 14:41:11.937 TodoApp[10567:fb03] Prep Complete, Testing begins==============
2012-02-08 14:41:11.939 TodoApp[10567:fb03] Items from <Detail: 0x6a883a0>:
2012-02-08 14:41:11.940 TodoApp[10567:fb03] Title Field = (null)
2012-02-08 14:41:11.940 TodoApp[10567:fb03] Duedate field = (null)
2012-02-08 14:41:11.941 TodoApp[10567:fb03] Reminder field 1 = (null)
2012-02-08 14:41:11.942 TodoApp[10567:fb03] Reminder field 2 = (null)
2012-02-08 14:41:11.942 TodoApp[10567:fb03] Notes = (null)
2012-02-08 14:41:11.943 TodoApp[10567:fb03] ===============Testing Complete
2012-02-08 14:41:11.953 TodoApp[10567:fb03] View Loaded: <Detail: 0x6d1feb0>
有没有办法让我的应用程序加载?
将试试这个,并更新你。 – 2012-02-08 12:18:57
NotesArea仍为空,对不起。 :( – 2012-02-08 12:29:23
等待,你想的NSLog之前实际推新视图控制器?这样viewDidLoad中从来没有触发,把的NSLog的内部-viewDidLoad,不经过初始化代码。 – Eugene 2012-02-08 13:08:31