textFieldShouldEndEditing 不显示下一步/完成按钮键盘

Question

我无法使用 "Next" 或 "Done" 浏览我的表单文本字段。我尝试将 UITextFieldDelegate 添加到我的 UIViewController 并委托我的 UITextField。我尝试根据 this post 修改我的代码，但仍然无效。

UIViewController.h

@interface MyViewController : UIViewController<UITextFieldDelegate, UIAlertViewDelegate> {
   @property (nonatomic, strong) UITextField *usernameTextfield;
   @property (nonatomic, strong) UITextField *passwordTextfield;
}

UIViewController.m

@implementation MyViewController
@synthesize usernameTextfield, passwordTextfield;

   self.usernameTextfield = [[UITextField alloc] initWithFrame:CGRectMake(10,25, SCREEN_WIDTH-20, 35)];
   self.usernameTextfield.delegate = self;

   self.passwordTextfield = [[UITextField alloc] initWithFrame:CGRectMake(10,95, SCREEN_WIDTH-20, 35)];
   self.passwordTextfield.secureTextEntry = TRUE;
   self.passwordTextfield.delegate = self;

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
   if (textField == self.passwordTextfield) {
       [textField resignFirstResponder];
   } else if (textField == self.usernameTextfield) {
       [self.passwordTextfield becomeFirstResponder];
   }
   return YES;
}

欢迎任何想法。提前致谢！

Answer 1

这里有一个解决此类问题的快速简便的解决方案：IQKeyboardManager

GitHub : https://github.com/hackiftekhar/IQKeyboardManager

您将在 GitHub 上找到演示 GIF、演示视频和演示项目。

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