警告：'UIAlertView'可能无法响应'-addTextFieldWithValue：label：' [英] warning: 'UIAlertView' may not respond to '-addTextFieldWithValue:label:'

问题描述

在我的应用程序中我使用UIAlertView进行登录，它包含TextFields，它工作得很好，但是当我编译代码时我收到警告，我正在使用iphone SDK 3.0

in my application i was using UIAlertView for login, it contains TextFields, its working perfectly, but i'm getting a warning when i compile the code, i'm using iphone SDK 3.0

代码：

loginAlert = [[UIAlertView alloc] initWithTitle:@"Enter the User Name and Password" message:@"" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Login", nil];

[loginAlert addTextFieldWithValue:appDelegate.userName label:@"UserName"];

警告：'UIAlertView'可能无法响应'-addTextFieldWithValue：label：'

warning: 'UIAlertView' may not respond to '-addTextFieldWithValue:label:'

txfUserName = [loginAlert textFieldAtIndex:0];

警告：'UIAlertView'可能无法响应'-textFieldAtIndex：'

warning: 'UIAlertView' may not respond to '-textFieldAtIndex:'

推荐答案

UIAlertView *myAlertView = [[UIAlertView alloc] initWithTitle:@"Your title here!" message:@"this gets covered" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil];
UITextField *myTextField = [[UITextField alloc] initWithFrame:CGRectMake(12.0, 45.0, 260.0, 25.0)];
[myTextField setBackgroundColor:[UIColor whiteColor]];
[myAlertView addSubview:testTextField];
CGAffineTransform myTransform = CGAffineTransformMakeTranslation(0.0, 130.0);
[myAlertView setTransform:myTransform];
[myAlertView show];
[myAlertView release];

所有积分： http://www.iphonedevsdk.com/forum/iphone-sdk-development/1704-uitextfield-inside-uialertview.html

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