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UIStackView initialization idiom
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| import UIKit | |
| let stackView = UIStackView() | |
| contentView.addSubview(stackView) | |
| stackView.axis = .horizontal // axis's default value is horizontal. | |
| // 以下2行はセット | |
| stackView.isLayoutMarginsRelativeArrangement = true | |
| stackView.directionalLayoutMargins = .init(top: 0, leading: 16, bottom: 0, trailing: 16) | |
| stackView.spacing = 6 | |
| stackView.translatesAutoresizingMaskIntoConstraints = false | |
| stackView.alignment = .center | |
| stack.distribution = .fillEqually // 等幅 | |
| NSLayoutConstraint.activate([ | |
| stackView.leadingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leadingAnchor), | |
| stackView.trailingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.trailingAnchor), | |
| stackView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 12), | |
| ]) |
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