UIButton 标题左对齐问题 (iOS/Swift)

问题描述

我在左对齐 UIButton 的文本时遇到问题.我也尝试将其更改为 .Right 但它仍然保持居中.我也试过 aButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: 20, bottom: 0, right: 0) 而不是 aButton.titleLabel?.textAlignment = .Left但这也不会改变任何事情.是否有另一种方法可以以编程方式更改 UIButton 标题的对齐方式?

I'm having a problem left-aligning a UIButton's text. I also tried changing it to .Right but it still stays centered. I also tried aButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: 20, bottom: 0, right: 0) instead of aButton.titleLabel?.textAlignment = .Left but that doesn't change anything either. Is there an alternative way to programmatically change the alignment of a UIButton title's?

        allButtonViews = UIView(frame: CGRectMake(0, 44, 100, 100))
        allButtonViews.backgroundColor = .redColor()

        let campusButton = UIButton(type: UIButtonType.System) as UIButton
        aButton.frame = CGRectMake(0, 0, 300, 70)
        aButton.setTitle("A", forState: .Normal)
        aButton.titleLabel?.textColor = .blueColor()
        aButton.titleLabel?.textAlignment = .Left
        aButton.backgroundColor = .whiteColor()

        sortView.addSubview(aButton)
        view.addSubview(allButtonViews)

推荐答案

试试这个:

button.contentHorizontalAlignment = .left

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