iOS随笔小记--富文本添加超链接

UITextView * conditionsContentTextView；

uitextview，富文本添加超链接

 UIFont * textFont;
  if ([SDiPhoneVersion deviceSize] == iPhone35inch || [SDiPhoneVersion deviceSize] == iPhone4inch) {
        textFont = k_Helvetica_15;
    } else {
        textFont = k_Helvetica_16;
    }
   NSDictionary * dictionary = @{NSFontAttributeName:textFont,NSForegroundColorAttributeName:k_fontColor};
   NSString * string = NSLocalizedString(@"I accept SALUS Controls Terms & Conditions", nil);
NSMutableAttributedString *attributeStr = [[NSMutableAttributedString alloc] initWithString:string attributes:dictionary];
[attributeStr addAttribute:NSLinkAttributeName value:@"https://salus-it500.com/public/licence_agreement.php" range:[string rangeOfString:NSLocalizedString(@"Terms & Conditions", nil)]];

  self.conditionsContentTextView.attributedText = attributeStr;
  self.conditionsContentTextView.editable = NO;
  self.conditionsContentTextView.scrollEnabled = NO;
  self.heightOfconditionsTextView.constant = [self heightForString:string fontSize:textFont andWidth:CGRectGetWidth(self.conditionsContentTextView.frame)];

计算textview的高度

- (float) heightForString:(NSString *)value fontSize:(UIFont *)fontSize andWidth:(float)width{
    UITextView *detailTextView = [[UITextView alloc]initWithFrame:CGRectMake(0, 0, width, 0)];
    detailTextView.font = fontSize;
    detailTextView.text = value;
    CGSize deSize = [detailTextView sizeThatFits:CGSizeMake(width,CGFLOAT_MAX)];
    return deSize.height;
}