如何在textField，Objective C上点击textField中的图像？

Question

我在点击按钮上使用rightmodeview将图像设置为textFiled， 现在我想要的是，我想在不触摸按钮的情况下在点击textField时隐藏图像？ 帮帮我

Answer 1

这段代码对我有用

 -(void)textFieldDidBeginEditing:(UITextField *)textField {     
      //set right view nil
 }

并确保为文本字段设置UITextField的委托

在viewDidLoad

中添加以下代码

yourTextField.delegate = self;

Answer 2

做类似的事情：

-(void)textFieldDidBeginEditing:(UITextField *)textField {  
textfield.rightView=nil;
//Do other stuff,if you want to do
}   

Answer 3

我创建了一个示例，我尝试了它正常工作。

ViewController.h

#import <UIKit/UIKit.h>
@interface ViewController : UIViewController<UITextFieldDelegate>
@property (strong, nonatomic) IBOutlet UITextField *txtFldImage;
@end

ViewController.m

- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
  txtFldImage.rightViewMode = UITextFieldViewModeAlways;
  txtFldImage.rightView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"boss-icon.png"]];
}
-(void)textFieldDidBeginEditing:(UITextField *)textField{
  txtFldImage.rightView = nil;
}

运行应用时

当我进入或触摸textField

时