UIAlertView：UIAlertViewStyleSecureTextInput：数字键盘 [英] UIAlertView: UIAlertViewStyleSecureTextInput: Numeric keyboard

问题描述

我目前正在使用此UIAlertView进行登录弹出，

I'm currently using this UIAlertView to do a login popup,

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Restricted"
                                                message:@"Please Enter Code to Enable Fields" 
                                               delegate:self
                                      cancelButtonTitle:@"Cancel"
                                      otherButtonTitles:@"Login"
                      , nil];
alert.alertViewStyle = UIAlertViewStyleSecureTextInput;

[alert show];

但是我希望文本输入是数字键盘而不是常规键盘

However I would like the text input to be a numeric keyboard instead of the regular keyboard

是否有一种简单的方法可以做到这一点，或者我是否需要研究创建自定义UIAleartView

Is there a easy way to do this, or do I have to look into creating a custom UIAleartView

推荐答案

你可以尝试这个来改变 UIAlertView 字段的键盘类型：

You can try this to change the keyboard type of the UIAlertView's field:

[[alert textFieldAtIndex:0] setDelegate:self];
[[alert textFieldAtIndex:0] setKeyboardType:UIKeyboardTypeNumberPad];
[[alert textFieldAtIndex:0] becomeFirstResponder];

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