How To Perfect Display HTML Code in UITextView and UILabel iOS in Swift 5
extension String {
public var convertHtmlToNSAttributedStr: NSAttributedString? {
guard let data = data(using: .utf8) else {
return nil
}
do {
return try NSAttributedString(data: data,options: [.documentType: NSAttributedString.DocumentType.html,.characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil)
}
catch {
print(error.localizedDescription)
return nil
}
}
//#Convert to NSAttributedString
public func convertHtmlToAttributedWithCSS(font: UIFont? , csscolor: String , lineheight: Int, csstextalign: String) -> NSAttributedString? {
guard let font = font else {
return convertHtmlToNSAttributedStr
}
let modifiedString = "\(self)";
guard let data = modifiedString.data(using: .utf8) else {
return nil
}
do {
return try NSAttributedString(data: data, options: [.documentType: NSAttributedString.DocumentType.html, .characterEncoding: String.Encoding.utf8.rawValue], documentAttributes: nil)
}
catch {
print(error)
return nil
}
}
}
let textStr = """
table {
font-family: arial, sans-serif;
border-collapse: collapse;
width: 100%;
}
td, th {
border: 1px solid #dddddd;
text-align: left;
padding: 8px;
}
tr:nth-child(even) {
background-color: #dddddd;
}
HTML Table
| Company | Contact | Country |
|---|---|---|
| Alfreds Futterkiste | Maria Anders | Germany |
| Centro comercial Moctezuma | Francisco Chang | Mexico |
| Ernst Handel | Roland Mendel | Austria |
| Island Trading | Helen Bennett | UK |
| Laughing Bacchus Winecellars | Yoshi Tannamuri | Canada |
| Magazzini Alimentari Riuniti | Giovanni Rovelli | Italy |
"""
self.bookingPlyText.attributedText = textStr.convertHtmlToAttributedWithCSS(font: mediumWithSize(pointSize: 14), csscolor: "black", lineheight: 5, csstextalign: "left")
Custom Font
func mediumWithSize(pointSize: CGFloat)-> UIFont {
return UIFont.init(name: "Hallo sans", size: CGFloat(pointSize))!
