如何在UITextField的开头添加空间

Question

我正在创建一个包含多个UITextField的应用。在textField中，我将边框类型设置为无和背景图像。它显示正常，但现在我的文本是从最小的边框开始，看起来不太好，就像这个

如何在文本字段的开头添加空格？

Answer 1

试试这个

UILabel * leftView = [[UILabel alloc] initWithFrame:CGRectMake(10,0,7,26)];
leftView.backgroundColor = [UIColor clearColor];

textField.leftView = leftView;

textField.leftViewMode = UITextFieldViewModeAlways;
textField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;

Answer 2

这是@ Kalpesh在 Swift 3.x 中的回答：

let leftView = UILabel(frame: CGRectMake(10, 0.0, 7, 26))
leftView.backgroundColor = .clearColor()

customField.leftView = leftView
customField.leftViewMode = .Always
customField.contentVerticalAlignment = .Center

Swift 4.x

let leftView = UILabel(frame: CGRect(x: 10, y: 0, width: 7, height: 26))
leftView.backgroundColor =.clear

customField.leftView = leftView
customField.leftViewMode = .always
customField.contentVerticalAlignment = .center

Answer 3

你应该继承UITextField并覆盖drawText函数。

检查this以获取帮助 要么 你可以这样做：

UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 15, height_of_textfiled)];
textField.leftView = paddingView;
textField.leftViewMode = UITextFieldViewModeAlways;

Answer 4

目标c

对于仅填充占位符，此代码可以使用

usernameTF.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@"    Your text"];

对于填充UITextField的占位符和文本，以下代码将起作用

usernameTF.layer.sublayerTransform = CATransform3DMakeTranslation(40, 0, 30);

Swift 3.0

对于仅填充占位符，此代码可以使用

yourTextField.attributedPlaceholder = NSAttributedString(string: "    YourText")

对于填充UITextField的占位符和文本，以下代码将起作用

usernameTF.layer.sublayerTransform = CATransform3DMakeTranslation(40, 0, 30)

Answer 5

您可以继承UITextField并覆盖textRectForBounds和editingRectForBounds。

例如，

- (CGRect)textRectForBounds:(CGRect)bounds {
    return CGRectMake(bounds.origin.x + 10, bounds.origin.y + 5, bounds.size.width - 20, bounds.size.height - 10);
}

- (CGRect)editingRectForBounds:(CGRect)bounds {
    return CGRectMake(bounds.origin.x + 10, bounds.origin.y + 5, bounds.size.width - 20, bounds.size.height - 10);
}

Answer 6

雨燕4

yourTextField.layer.sublayerTransform = CATransform3DMakeTranslation(10, 0, 10)

Answer 7

您可以将文本域背景图像放在图像视图中，在图像视图上方，将文本字段留下一个空格。

Answer 8

-(void)textField:(UITextField *) textField didBeginEditing {
    if ([textField.text isEqualToString:@""] || textField.text == NULL) {
       textField.text = @" ";
    }
}