我如何设置一个UIButton的标题为左对齐?

我需要在UIButton的左侧显示一个电子邮件地址，但它被定位到中心。

有什么方法来设置对齐到UIButton的左边?

这是我当前的代码:

UIButton* emailBtn = [[UIButton alloc] initWithFrame:CGRectMake(5,30,250,height+15)];
emailBtn.backgroundColor = [UIColor clearColor];
[emailBtn setTitle:obj2.customerEmail forState:UIControlStateNormal];
emailBtn.titleLabel.font = [UIFont systemFontOfSize:12.5];
[emailBtn setTitleColor:[[[UIColor alloc]initWithRed:0.121 green:0.472 blue:0.823 alpha:1]autorelease] forState:UIControlStateNormal];
[emailBtn addTarget:self action:@selector(emailAction:) forControlEvents:UIControlEventTouchUpInside];
[elementView addSubview:emailBtn];
[emailBtn release];

当前回答

Try

button.semanticContentAttribute = UISemanticContentAttributeForceRightToLeft;

2019-06-18 14:14:51

其他回答

在Swift 3+中:

button.contentHorizontalAlignment = .left

2015-09-01 06:06:46

UIButton *btn;
btn.contentVerticalAlignment = UIControlContentVerticalAlignmentTop;
btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;

2014-08-30 04:58:05

斯威夫特 4+

button.contentHorizontalAlignment = .left
button.contentVerticalAlignment = .top
button.contentEdgeInsets = UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10)

2017-09-22 11:37:28

下面解释一下如何做到这一点以及为什么它是这样的: http://cocoathings.blogspot.com/2013/03/how-to-make-uibutton-text-left-or-right.html

2013-03-06 17:02:52

在xcode 8.2.1的接口构建器中，它移动到:

2017-01-27 12:55:58

我如何设置一个UIButton的标题为左对齐?

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