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[操作系统]TextView表情文字混排


2015-10-27

- (void)layoutSubviews {    skContentView.backgroundColor = self.backgroundColor;  skContentView.frame = self.bounds;    NSMutableAttributedString * string = [[ NSMutableAttributedString alloc ] initWithString:@"123456789101112计算" attributes:nil ] ;  [string addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:16.0] range:NSMakeRange(0,string.length-1)];    MMTextAttachment * textAttachment = [[ MMTextAttachment alloc ] initWithData:nil ofType:nil ] ;  UIImage * smileImage = [ UIImage imageNamed:@"a.jpg" ] ; //my emoticon image named a.jpg  textAttachment.image = smileImage ;    NSAttributedString * textAttachmentString = [ NSAttributedString attributedStringWithAttachment:textAttachment ] ;  [ string insertAttributedString:textAttachmentString atIndex:6 ] ;    _skInputTextView.attributedText = string ;}

 

@interface MMTextAttachment : NSTextAttachment {  }@end@implementation MMTextAttachment//图片大小与文字保持一致- (CGRect)attachmentBoundsForTextContainer:(NSTextContainer *)textContainer proposedLineFragment:(CGRect)lineFrag glyphPosition:(CGPoint)position characterIndex:(NSUInteger)charIndex NS_AVAILABLE_IOS(7_0) {    return CGRectMake( 0 , 0 , lineFrag.size.height , lineFrag.size.height );}@end