質問編集履歴
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SS追加
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@@ -10,4 +10,205 @@
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10
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文字をUITextView内でスクロールさせて表示させるという
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方法で実装したいです。
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何卒ご教授のほどよろしくお願いします。
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何卒ご教授のほどよろしくお願いします。
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※追記
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ソースコードを追記します。
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完成イメージとしては、SNSのコメント投稿画面のイメージです。
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```Swift
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class ViewController:UIViewController,UITextViewDelegate,UITableViewDelegate, UITableViewDataSource{
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var commentTableView = UITableView(frame: CGRectZero, style: .Grouped)
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//コメント全体のContainer
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var commentAreaContainer = UIView()
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//入力欄
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var commentInput = UITextView()
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override func viewDidLoad() {
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super.viewDidLoad()
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commentTableView = UITableView()
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commentTableView.translatesAutoresizingMaskIntoConstraints = false
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self.view.addSubview(commentTableView)
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commentAreaContainer.translatesAutoresizingMaskIntoConstraints = false
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self.view.addSubview(commentAreaContainer)
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commentInput.font = UIFont(name: "Helvetica Neue", size: 13.5)
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commentInput.contentInset = UIEdgeInsetsMake(5,0,0,0)
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commentInput.layoutManager.allowsNonContiguousLayout = false
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commentInput.layer.cornerRadius = 2.0
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commentInput.autoresizesSubviews = true
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commentInput.translatesAutoresizingMaskIntoConstraints = false
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commentInput.delegate = self
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commentAreaContainer.addSubview(commentInput)
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//Autolayoutを適用
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setupConstaraints()
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}
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//input欄の高さが80まではinputの高さをtextに合わせて伸ばす
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func textViewDidChange(textView: UITextView) {
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let maxHeight: CGFloat = 80.0
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if commentInput.frame.size.height < maxHeight {
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let size: CGSize = commentInput.sizeThatFits(commentInput.frame.size)
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//input欄の高さを合わせる
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commentInput.frame.size.height = size.height
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}
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func textView(textView: UITextView, shouldChangeTextInRange range: NSRange, replacementText text: String) -> Bool {
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textView.scrollRangeToVisible(textView.selectedRange)
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return true
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}
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func setUpConstraints(){
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self.view.addConstraints([
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NSLayoutConstraint(
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item: self.commentTableView,
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attribute: .Top,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Top,
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multiplier: 1.0,
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constant: 0
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),
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NSLayoutConstraint(
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item: self.commentTableView,
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attribute: .Right,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Right,
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multiplier: 1.0,
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constant: 0
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),
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NSLayoutConstraint(
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item: self.commentTableView,
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attribute: .Left,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Left,
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multiplier: 1.0,
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constant: 0
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),
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NSLayoutConstraint(
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item: self.commentTableView,
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attribute: .Bottom,
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relatedBy: .Equal,
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toItem: self.commentAreaContainer,
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attribute: .Bottom,
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multiplier: 1.0,
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constant: -40
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)
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])
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self.view.addConstraints([
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NSLayoutConstraint(
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item: self.commentAreaContainer,
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attribute: .Left,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Left,
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multiplier: 1.0,
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constant: 0
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),
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NSLayoutConstraint(
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item: self.commentAreaContainer,
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attribute: .Right,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Right,
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multiplier: 1.0,
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constant: 0
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),
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NSLayoutConstraint(
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item: self.commentAreaContainer,
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attribute: .Bottom,
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relatedBy: .Equal,
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toItem: self.view,
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attribute: .Bottom,
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multiplier: 1.0,
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constant: 0
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)
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])
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self.view.addConstraints([
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NSLayoutConstraint(
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item: self.commentInput,
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attribute: .Top,
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relatedBy: .Equal,
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toItem: self.commentAreaContainer,
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attribute: .Top,
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multiplier: 1.0,
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constant: 5
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),
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NSLayoutConstraint(
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item: self.commentInput,
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attribute: .Bottom,
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relatedBy: .Equal,
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toItem: self.commentAreaContainer,
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attribute: .Bottom,
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multiplier: 1.0,
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constant: -5
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),
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NSLayoutConstraint(
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item: self.commentInput,
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attribute: .Left,
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relatedBy: .Equal,
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toItem: self.commentAreaContainer,
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attribute: .Left,
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multiplier: 1.0,
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constant: 6
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),
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NSLayoutConstraint(
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item: self.commentInput,
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attribute: .Right,
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relatedBy: .Equal,
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toItem: self.commentAreaContainer,
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attribute: .Right,
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multiplier: 1.0,
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constant: -6
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),
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NSLayoutConstraint(
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item: self.commentInput,
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attribute: .Height,
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relatedBy: .Equal,
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toItem: nil,
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attribute: .Height,
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multiplier: 1.0,
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constant: 32
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)
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])
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}
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}
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```
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