Question

我试图在UItextfield设置右边距，但我无法取得成功。

我尝试了以下代码：

UILabel *lbl = [[UILabel alloc] initWithFrame:CGRectMake(1, 1, 60, 25) ];
[lbl setText:@"Partenza:"];
[lbl setFont:[UIFont fontWithName:@"Verdana" size:12]];
[lbl setTextColor:[UIColor grayColor]];
[lbl setTextAlignment:UITextAlignmentLeft];
txtFCarat.rightView = lbl;
txtFCarat.rightViewMode = UITextFieldViewModeAlways;
txtFCarat.delegate = self;

如果有任何机构有解决方案，请帮助我！

Answer 1

您可以在以下两种方法中覆盖此

@implementation rightTextField  

       // placeholder position

    - (CGRect)textRectForBounds:(CGRect)bounds {
         return CGRectInset( self.bounds , margin position , margin position );
    }

    // text position
    - (CGRect)editingRectForBounds:(CGRect)bounds {
         return CGRectInset( self.bounds , margin position ,margin position );
    }

编辑：用于绑定代码，如

textField.bounds = [self editingRectForBounds:textField.bounds];
textField.bounds = [self textRectForBounds:textField.bounds];

您的预期答案：

 UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon.png"]];
    textfield.rightView = imageView;
    textfield.rightViewMode = UITextFieldViewModeAlways;

Answer 2

在您创建textfield的位置添加以下行，并根据需要设置值

textField.layer.sublayerTransform = CATransform3DMakeTranslation(-20, 000, 0);

通过覆盖textRectForBounds

实现此目的的另一种方法

让我给出完整的描述如何做到这一点或实现它

首先创建一个类并命名为“textField”（或者你想要的），并且必须确保它是UITextField的子类。

2.现在打开textfield.m类并使用此代码或粘贴到此类（textfield）中的代码下面：

 - (CGRect)textRectForBounds:(CGRect)bounds {
   return CGRectMake(bounds.origin.x + 50, bounds.origin.y,
              bounds.size.width - 20, bounds.size.height);
 }

-(CGRect)editingRectForBounds:(CGRect)bounds {
 return [self textRectForBounds:bounds];
}

如果您想更多地自定义文本字段，则只能在此处使用或在调用类

使用以下代码：注意它仅用于测试目的。取决于您的要求

- (void)settingTextField {

[self setTextField];
[self setKeyboardAppearance:UIKeyboardAppearanceAlert];
}



- (void)setTextField {
[self setContentHorizontalAlignment:UIControlContentHorizontalAlignmentCenter];
[self setContentVerticalAlignment:UIControlContentVerticalAlignmentCenter];
[self setTextAlignment:NSTextAlignmentCenter];
[self setValue:[UIColor colorWithRed:120.0/225.0 green:120.0/225.0 blue:120.0/225.0 alpha:1.0] forKeyPath:@"_placeholderLabel.textColor"];
[self setFont:[UIFont boldSystemFontOfSize:15.0f]];
}

3.improt textField.h类进入你想要创建文本字段的视图控制器

你这样称呼它。

 #import "textField.h"

//Viewcontroller Class
- (void)viewDidLoad
  {
   [super viewDidLoad];
   textField *field1 = [[textField alloc] initWithFrame:CGRectMake(50, 50, 200, 20)];
  field1.backgroundColor=[UIColor greenColor];
  field1.placeholder=@"0";
  [self.view addSubview:field1];
}

根据您的要求尝试调整值textRectForBounds

Answer 3

    NSString *myString = @"Partenza:";
    UIFont *myFont = [UIFont fontWithName:@"Verdana" size:12];
    CGSize myStringSize = [myString sizeWithFont:myFont];

    UILabel *lbl = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, myStringSize.width + 10, 25) ];
    [lbl setText:myString];
    [lbl setFont:[UIFont fontWithName:@"Verdana" size:12]];
    [lbl setTextColor:[UIColor grayColor]];
    [lbl setTextAlignment:UITextAlignmentLeft];
    txtFCarat.rightView = lbl;
    txtFCarat.rightViewMode = UITextFieldViewModeAlways;

如何在UItextfield和占位符文本中设置右边距？

3 个答案: