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34 lines
1.3 KiB
Swift
34 lines
1.3 KiB
Swift
/*
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import Foundation
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extension UIView {
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/// Add a subview matching parent view using autolayout
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func vc_addSubViewMatchingParent(_ subView: UIView) {
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self.addSubview(subView)
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subView.translatesAutoresizingMaskIntoConstraints = false
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let views = ["view": subView]
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["H:|[view]|", "V:|[view]|"].forEach { vfl in
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let constraints = NSLayoutConstraint.constraints(withVisualFormat: vfl,
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options: [],
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metrics: nil,
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views: views)
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constraints.forEach { $0.isActive = true }
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}
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}
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}
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