在presentModalViewController之后等待 [英] wait after presentModalViewController

问题描述

我需要在presentModalViewController之后等待(不执行代码)，直到其被取消的模态视图，可能还是概念错误?

I need to wait (don't execute the code) after the presentModalViewController until the modal view it's dismissed, it's possible or it's a conceptual error ?

-(NSDictionary *)authRequired
{
    //This view write the settings when dismissed (plist)
    [self presentModalViewController:loginRegView animated:YES]; 
    //Read from the setting file (plist) and send back (it's a delagate method)
    NSMutableDictionary *ret=[[NSMutableDictionary alloc] init];
    [ret setObject:[app.settings get:@"user"] forKey:@"user"];
    [ret setObject:[app.settings get:@"pass"] forKey:@"pass"];
    return ret;
}

推荐答案

您需要做的是创建一个 LoginRegViewControllerDelegate 协议，呈现模态视图控制器的视图控制器将遵守该协议，并且让您的 LoginRegViewController (或其他名称)向其 delegate 发送一条消息，表明它刚刚关闭/即将关闭.在这种委托方法中，您的委托View Controller应该读取刚刚设置的设置，并对其进行任何操作.

What you'll have to do is create a LoginRegViewControllerDelegate protocol to which the View Controller that presents the Modal View Controller adheres, and have your LoginRegViewController (or whatever its name is) send a message to its delegate that it just closed / is going to close. In this delegate method, your delegate View Controller should read the just-set settings and do whatever it wants with them.

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