2015-06-26 49 views
1

我調整UITextView的屬性字符串大小,該字符串是根據API的響應創建的,該API可以有三個不同的屬性;一般條款,運輸條款和退貨條款。如果缺少其中一個屬性,我不會在最終文本中顯示該屬性。在iPhone 6上,所有內容都以其應有的方式顯示出來,但在iPhone 5/5s上,最後幾行文本被截斷。 textView正確調整大小,但直到最後幾行才顯示出所有文本。我希望我能展示照片,但顯然我沒有足夠的代表來這樣做。我搜索到的其他類似問題並不完全相同,並且這些解決方案似乎都無法解決問題。這是我在Swift中的代碼,用於創建屬性字符串並調整textView的大小。任何幫助將不勝感激。UITextView切斷iPhone 5/5s上的文本,但不切斷iPhone 6

這是格式化屬性串

var termStrings = String() 

        if (!generalString.isEqualToString("")) { 
         termStrings += "GENERAL:\n\(generalString)\n\n" 
        } 

        if (!shippingString.isEqualToString("")) { 
         termStrings += "SHIPPING:\n\(shippingString)\n\n" 
        } 

        if (!returnString.isEqualToString("")) { 
         termStrings += "RETURNS:\n\(returnString)" 
        } 

        var newNSString = termStrings as NSString 

        var attTermString = NSMutableAttributedString(string: termStrings as String) 

        let boldAttribute = [NSForegroundColorAttributeName: UIColor.blackColor(), NSFontAttributeName: UIFont.boldSystemFontOfSize(14)] 
        let subtitleAttribute = [NSForegroundColorAttributeName: UIColor.blackColor(), NSFontAttributeName: UIFont.systemFontOfSize(12)] 
        let underlineAttribute = [NSUnderlineStyleAttributeName: NSUnderlineStyle.StyleSingle] 
        var paragraphStyle = NSMutableParagraphStyle() 
        paragraphStyle.lineSpacing = 5.0 

        if (!generalString.isEqualToString("")) { 
         attTermString.addAttributes(boldAttribute, range: newNSString.rangeOfString("GENERAL:")) 
         attTermString.addAttribute(NSUnderlineStyleAttributeName, value: NSUnderlineStyle.StyleSingle.rawValue, range: newNSString.rangeOfString("GENERAL:")) 
         attTermString.addAttribute(NSParagraphStyleAttributeName, value: paragraphStyle, range: newNSString.rangeOfString("GENERAL:\n")) 
         attTermString.addAttributes(subtitleAttribute, range: newNSString.rangeOfString("\(generalString)")) 
        } 

        if (!shippingString.isEqualToString("")) { 
         attTermString.addAttributes(boldAttribute, range: newNSString.rangeOfString("SHIPPING:")) 
         attTermString.addAttribute(NSUnderlineStyleAttributeName, value: NSUnderlineStyle.StyleSingle.rawValue, range: newNSString.rangeOfString("SHIPPING:")) 
         attTermString.addAttribute(NSParagraphStyleAttributeName, value: paragraphStyle, range: newNSString.rangeOfString("SHIPPING:\n")) 
         attTermString.addAttributes(subtitleAttribute, range: newNSString.rangeOfString("\(shippingString)")) 
        } 

        if (!returnString.isEqualToString("")) { 
         attTermString.addAttributes(boldAttribute, range: newNSString.rangeOfString("RETURNS:")) 
         attTermString.addAttribute(NSUnderlineStyleAttributeName, value: NSUnderlineStyle.StyleSingle.rawValue, range: newNSString.rangeOfString("RETURNS:")) 
         attTermString.addAttribute(NSParagraphStyleAttributeName, value: paragraphStyle, range: newNSString.rangeOfString("RETURNS:\n")) 
         attTermString.addAttributes(subtitleAttribute, range: newNSString.rangeOfString("\(returnString)")) 
        } 

        changeTextViewHeight(attTermString, width: textView.frame.size.width) 

代碼這是我調整TextView的

func changeTextViewHeight(attributedString: NSMutableAttributedString, width: CGFloat) { 
    textView.attributedText = attributedString 
    var newSize: CGSize = textView.sizeThatFits(CGSizeMake(width, CGFloat(FLT_MAX))) 
    var newFrame: CGRect = textView.frame 
    newFrame.size = CGSizeMake(CGFloat(fmaxf((Float)(newSize.width), (Float)(width))), newSize.height) 
    textView.frame = newFrame 
} 
+0

根據我的假設,您可能爲iPhone5/5s傳遞了錯誤的「寬度」,或者您已經爲iPhone 6設計了屏幕。因此,只需調整調整textView大小的寬度,即可獲得解決方案。 –

+0

我會給你一個鏡頭,但是文字不會脫離屏幕或任何東西,這導致我相信一切都在正確調整大小。我會記錄寬度。謝謝。 –

回答

0

步驟來解決代碼(這將UITextView的滾動設置爲頂部5/5s

  • 禁用UITextView scro LL視圖
  • 集scrollRectToVisible啓用
  • UITextView的滾動

斯威夫特3:

self.yourTextView.isScrollEnabled = false 
let rect:CGRect = CGRect(x: 0, y: 0, width: 1, height: 1) 
self.yourTextView.scrollRectToVisible(rect, animated: false) 
self.yourTextView.isScrollEnabled = true 

這爲我工作。