UILabel Adjust line spacing

/* Adjust line spacing */+ (void) Adjustlinespacingoflabel: (UILabel *) label to: (CGFloat) linespacing{nsstring *textstr = Label.text;    if (textstr.length <= 0) {return;    } nsmutableattributedstring *attributedstring = [[Nsmutableattributedstring alloc] initwithstring:textstr];    Nsmutableparagraphstyle *paragraphstyle = [[Nsmutableparagraphstyle alloc] init];    [Paragraphstyle setlinespacing:linespacing];    [Paragraphstyle Setlinebreakmode:nslinebreakbytruncatingtail]; [Attributedstring addattribute:nsparagraphstyleattributename Value:paragraphstyle range:NSMakeRange (0, [textStr    Length]);    Label.attributedtext = attributedstring; [Label SizeToFit];} + (Cgsize) Sizeofmultilinelabel: (NSString *) alabeltextstring font: (Uifont *) Alabelfont constrainedtosize: (CGSize)        MaxSize linespacing: (cgfloat) linespacing{if ([[[[Uidevice Currentdevice] systemversion] Floatvalue] < 7.0) {              Version < 7.0 return [alabeltextstring Sizewithfont:alabelfont              Constrainedtosize:maxsize Linebreakmode:nslinebreakbytruncatingtail]; } else if ([[[[Uidevice Currentdevice] systemversion] floatvalue] >= 7.0) {//version >= 7.0//retur n the calculated size of the Label nsmutableparagraphstyle *paragraphstyle = [[Nsmutableparagraphstyle alloc] init]        ;        [Paragraphstyle setlinespacing:linespacing];                [Paragraphstyle setlinebreakmode:nslinebreakbywordwrapping]; return [alabeltextstring boundingrectwithsize:maxsize options:nsstringdrawing Useslinefragmentorigin Attributes:@{nsfontattributename:alabelfont, Nsparagraphs    Tyleattributename:paragraphstyle} context:nil].size; } return Cgsizezero;}

UILabel Adjust line spacing